3#焦炉烘炉方案
ⅲ与3的用法
ⅲ与3的用法
在数学中，罗马数字Ⅲ和阿拉伯数字3具有相似的意义，都表示计数或顺序。
但是，罗马数字Ⅲ通常用于较大的数字，特别是在罗马时代，而阿拉伯数字3则更为通用。
此外，罗马数字Ⅲ还有特定的数学符号意义，例如表示三角形。
- 阿拉伯数字3的用法：
阿拉伯数字3是一个基本的计数和顺序符号，可以用于表示数量、次序或顺序等。
例如，表示数量时可以表示三本书、三个苹果等；表示次序或顺序时可以表示第三名、第三个进球等。
在数学中，3通常用于表示一些基本的数学概念或运算，如三次方根、三角函数等。
- 罗马数字Ⅲ的用法：
罗马数字Ⅲ主要用于较大的计数或顺序，特别是在罗马时代。
例如，罗马帝国的年份和历史事件通常使用罗马数字来标记。
此外，罗马数字Ⅲ也可以用于表示三角形的数学符号，例如直角三角形、等边三角形等。
在科学和工程领域，罗马数字Ⅲ也用于表示一些特定的参数或符号，如质量、体积等。
总之，罗马数字Ⅲ和阿拉伯数字3都是计数和顺序的符号，但在使用上略有不同。
罗马数字Ⅲ主要用于较大的计数和顺序，特别是在历史和科学领域，而阿拉伯数字3则更为通用，在日常生活中更常用。
3的寓意和象征
3的寓意和象征3的寓意和象征一直以来都是令人着迷的话题，它在人们的生活中占据着重要的地位，不仅仅出现在数字、图形、文学、艺术等方面，还深刻影响着人们的思想、信仰和文化。
在这篇文章中，我将详细介绍3的寓意和象征，以及它所代表的含义和影响。
首先，3是一个具有神秘色彩的数字，它既可以代表幸运和成功，也可以代表不幸和厄运。
在苏格拉底哲学中，3被视为灵魂的数字，因为人们的灵魂是由三部分组成的：理智、情感和欲望。
在基督教中，3被视为象征着三位一体的上帝：父、子和圣灵。
此外，3还代表了生命、死亡和再生。
在古埃及神话和其他文化中，3代表了三个阶段的循环：生命、死亡和再生。
因此，3可以被看作是一个象征着生命循环的数字。
其次，3还与创造、平衡和完美相关联。
在美学中，3是一个非常重要的数字。
它被视为最平衡和完美的数字，因为它刚好处在1和5之间。
三角形也是一个具有完美平衡的形状。
许多艺术品中都有3的影子，例如三原色、三分色彩、三分构图等等。
此外，在许多文化中，3还被视为一个神圣的数字，因为它代表了创造力和天赋。
三只乌鸦、三只小熊和三只猪都被视为聪明、勇敢和有才华的动物，在古代也被视为象征着精灵和神仙。
最后，3还代表了联合、和谐和团结。
这一点在许多文化中都非常明显。
在儒家文化中，三才是社会组织的基础，三纲五常是家庭道德的基础。
在希腊神话中，三姐妹毕斯提斯是命运女神，代表着联合、平衡和团结。
在印度教中，三位主神布拉马、维希努和湿婆代表着三种“神圣能量”，这些能量一起形成了宇宙的平衡和谐。
3的寓意和象征是多种多样的，每个人对于3的理解也是不同的。
它可以代表幸运、成功、生命、创造力、和谐、团结等等，这些都是人们追求的目标。
同时，3也可以代表着不幸、痛苦和困难，对于这些挑战，我们需要勇敢地面对和克服。
因此，3不仅是一个数学数字，也是一个哲学概念和文化符号，渗透在人们的生活和思维之中。
它给我们带来了深刻的启示和思考，也让我们惊叹于数字和生命的奥秘。
新教材外研版高中英语必修第三册Unit3 The world of science精品教学课件
Section A Starting out & Understanding ideas P27 Scetion B Using Language P132 Section C Developing ideas P159
Drones Could Help Biologists Tally Birds Ecologists crouching quietly amidst vegetation, using binoculars to tally birds in a roost, may soon be a charming relic of the past. Because a new study shows that, when it comes to getting an accurate avian head count, aerial drones can do better.
【听力原文】 Text 1 W: He doesn’t want to eat Italian food tonight. M: So what? He doesn’t have to come to dinner with us. We can meet up with him later at the bar.
“. . . there was no statistical difference between those counts and the counts completed by our volunteers using exactly the same imagery. ”
【导语】 The Big Bang Theory是电视剧The Big Bang Theory(《生活大 爆 炸》)的主题曲, 该剧是一部以 “科学天才”为背景的情景喜剧。
安全三级(BSL-3,ABSL-3)实验室给排水污染控制
生物安全三级（BSL /ABSL-3）实验室给排水污染控制提要在实验室危险等级分级的定义中:生物安全三级实验室主要用于对人、畜有高度传染性的烈性传染病的研究和检测，其使用安全性至关重要。
本文根据某生物安全三级实验室工艺特点和使用要求，从如何有效实现污染控制的目的对生物安全三级实验室给水系统、废水系统和消防系统以及各系统管材和管线敷设的设计特点及需要注意的事项做一个论述和说明。
Abstract: In the definition of biology risk level for laboratory, BSL-3 Laboratory mainly used to research and inspect strongly infectious disease communicating human being and animal easily and quickly. It’s very important to put usage security of the laboratory on a high level. Based on its special process conditions, usage requirements of BSL-3 laboratory and purpose of how to realize contamination control efficiently, this article introduces key points of design and some factors need to be considered for supply water system, wastewater systems, fire systems, pipe materials and piping route for BSL-3 laboratory.关键词三级实验室给排水设计给水系统废水系统消防系统BSL-3 laboratory; Plumbing Design; Supply Water System; Wastewater systems; Fire Systems0引言：自2003年我国SARS疫情爆发以后，生物安全实验室的建设在我国取得长足的进步和快速的发展。
第3章习题答案
练习题：1.单项选择⑴当砼预制桩的设计间距大于4倍桩直径（或边长）时，宜采用的打桩顺序为（ A）。
A．逐排打设Ｂ．自中间向四周打设Ｃ．自四周向中间打设Ｄ．逐排打设⑵摩擦桩型的预制桩在沉桩时，主要质量控制指标是（Ｂ）。
Ａ．最后贯入度Ｂ．设计标高Ｃ．垂直度Ｄ．平面位置⑶在周围建筑物密集的狭窄场地施工大直径砼灌注桩，较宜采用（Ａ）。
Ａ．钻孔灌注桩Ｂ．沉管灌注桩Ｃ．人工挖孔灌注桩Ｄ．爆扩灌注桩3．填空题：（1）泥浆护壁钻孔灌注桩成孔施工时，泥浆的作用是：（护壁、携砂、排土、降低钻头温度）。
（2）钢筋砼预制桩的打桩顺序一般有：（逐排打设）、（自中间向四周打设）、（有中间向两边打）。
（3）桩锤重量可按那几个因素来选择：（地质条件）、（工程结构）、（桩的类型）。
密集程度及施工条件（4）预制打入桩垂直度偏差应控制在（ 100mm ）以内。
（5）入土深度控制对摩擦桩应以（设计标高）为主，以（最后贯入度）作为参考。
端承桩应以（最后贯入度）为主。
（6）钻孔灌注桩钻孔时的泥浆循环工艺有（正循环、反循环）两种，其中（反循环）工艺的泥浆上流速度高，携土能力大。
（7）打入桩施工时，当桩间距（当桩中心距小于等于4倍桩长或桩径时）时，一定要确定合理的打桩顺序。
（2）若按施工方法分，预制桩可划分为（打入法）、（静压法）（8）预制桩吊点设计的原则是：（平稳，避免冲击和振动）。
（9）桩架的作用是（导向）、（固定桩的位置）、（承受桩锤重量）。
（10）预制桩接桩的方法有：（焊接法）、（浆锚法）、（法兰接桩）。
（11）打入桩施工时，宜采用的打桩方法：（重锤低击）。
（12）套管成孔灌注桩施工时，为提高桩的质量，提高桩的承载力，经常采用（复打法施工）。
（13）水下浇筑砼经常采用的方法是（导管法）。
（14）砼预制桩应在砼达到设计强度的（75%）后方可起吊，达到设计强度的100%后方可（运输）和（打设）。
（15）沉管灌注桩施工时，常遇问题有：（断桩）、（缩颈）、（吊脚桩）（砼过量）。
3的数字代表什么意思有什么含义
3的数字代表什么意思有什么含义数字“三”无论是西方还是在中国都被作为神秘的象征。
那么，你知道3的数字代表什么意思吗?接下来就跟着店铺一起去看看3的数字代表含义吧。
3的数字含义数字3的含义：表达数在两个对立之间有著抽象或灵性的关系，例如阴和阳并不是一种关系，爱或欲望必须存在，这样才会有所谓的关系出现，关系的建立是存在于两端之内的第三股力量，对立的和解是宇宙中第三力量。
三的扮演角色，在“三位一体”中得以认知，这在古埃及或世界上其他的神话(例如____的三位一体)中出现。
数字3拥有极高的表达天赋，他们会非常乐意跟人交流自己的想法，也会非常喜欢各种社交关系带给自己的新鲜感。
他们喜欢在人群中表现自己，由于他们对情绪拥有极强的感受力，天性中又带着浪漫快乐的一面，所以他们时常会成为朋友圈内调解气氛的快乐源泉。
数字3的含义关键词：沟通、社交、快乐象征符号：三角型属性：灵巧聪慧型对应色彩：黄色五行：阳火星座排行：双子、双鱼数字3在形态上是个多方位的“可爱数”，把3侧翻过去就是英文字母E，躺下又像是W，趴下看又成了M，这是阿拉伯数字里最有趣的一个数。
3代表关系，黑与白无法直接关联，阴和阳必须同时存在，关系的建立是第三种力量。
1是父亲，2是母亲，而3就是它们的“孩子”。
在____中，3是圣父、圣子和圣灵的综合体，即男性驱动力+儿童状态+灵性结合三位一体数。
这是一个乐观机敏的数字，具有旺盛的好奇心，乐观善于表达，具备孩子一般的纯真与多变性。
正面优势聪明，热情，想象力丰富，有创意，幽默感，充满活力，善于表达，时尚，擅社交，沟通，多才多艺，有趣，乐观，有激情，受欢迎负面挑战夸张，缺乏责任心，做作，缺乏方向，自我怀疑，搬弄是非，幼稚，逃避现实，肤浅，虚荣浮华，喋喋不休，撒谎，铺张浪费恐惧被限制，无聊，面对现实，不被关注数字3的象征意义数字“三”无论是西方还是在中国都被作为神秘的象征。
“三”在符号象征体系中，几乎不含任何反面意义，其象征意义涉及到宗教思想、传统、神等诸多领域。
《听力教程3》听力原文及参考答案
《听⼒教程3》听⼒原⽂及参考答案Book ThreeUNIT 1Section OnePart 1Spot DictationHouses in the FutureWell, I think houses in the future will probably be (1) quite small but I should think they'll be (2) well-insulated so that you don't need so much (3) heating and (4) cooling as you do now, so perhaps very economical (5) to run. Perhaps they will use (6) solar heating, although I don't know, in this country, perhaps we (7) won't be able to do that so much. Yes, I think they'll be full of (8) electronic gadgets: things like very advanced televisions, videos, perhaps videos which take up ... the screen (9) takes up the whole wall. I should think. Yes, you'll have things like (10) garage doors which open automatically when you (11) drive up, perhaps electronic (12) sensors which will (13) recognize you when you, when you come to the front door even. Perhaps (14) architects and designers will be a bit more (15) imaginative about how houses are designed and perhaps with the (16) shortage of space people will think of putting gardens (17) on the roof and, and maybe rooms can be (18) expanded and, and (19) contracted* depending on what you use them for, so perhaps there'll be a bit more (20) flexibility about that. Part 2Listening for GistA: Tuesday two fifteen. Let me look inmy diary. B: No, Thursday.A: Oh, I'm sorry. I thought you said Tuesday.B: Thursday two fifteen. No, I'm sorry. I've got an appointment until three. Could we make it later?Say three fifteen?A: Well, there's a lot to talk about. It'll take a couple ofhours, at least. B: Shall we say Monday morning, then?A: Monday morning. All right. Nine o'clock?B: Nine. I think that will be all right. I'll ring you backand confirm. A: All right. But ring before five, couldyou?B: All right.A: Right you are. Bye. B: Bye.Exercise. Directions: Listen to the dialogue and write down the gist and the key words that help you decide.1.This dialogue is about making an appointmentWoman: Listen! I'm terribly sorry I'm late. Man:Man: Oh, that's all right. It doesn't really matter, does it? I haven't got anything better to do, have I?Woman: Just let me explain, will you?Man: I've only been waiting for over an hour. That's all.Woman: Yes. I know, and I would have ...Man: After all, my time isn't really that important, is it?Woman: Please don't be like that. Just let meexplain. (Silence. Man says nothing.)Woman: I ... I tried to get here in time but just after I left home, the car broke down.Man: The car broke down?Woman: Yes, and ... well ... luckily ... there was a garage near me. And ... and it took them a whileto repair it.Man: Why didn't you at least phone?Woman: I would have! But I didn't know the number of the restaurant.Man: You could have looked it up in the telephone book!Woman: Yes, but ... you'll never believe this ... I couldn't remember the name of the restaurant. I knew where it was, but forgot the name.Man: I see. Well, at least it was lucky you found a garage to repair your car. Woman: Yes. It was something I couldn't do myself. It didn't take too long, but that's why I'm late,you see.Man: Uh-huh. Which garage, by the way?Woman: Pardon?Man: Which garage did you take it to?2.The key words are Tuesday. Thursday. two fifteen. three fifteen. Mondaymorning. nine o'clock.Section Two Listening comprehensionPart 1 DialogueI'm terribly sorry I'm late.Woman: Listen! I'm terribly sorry I'm late. Man:Man: Oh, that's all right. It doesn't really matter, does it? I haven't got anything better to do, have I?Woman: Just let me explain, will you?Man: I've only been waiting for over an hour. That's all.Woman: Yes. I know, and I would have ...Man: After all, my time isn't really that important, is it?Woman: Please don't be like that. Just letme explain. (Silence. Man says nothing.)Woman: I ... I tried to get here in time but just after I left home, the car broke down.Man: The car broke down?Woman: Yes, and ... well ... luckily ... there was a garage near me. And ... and it took them a whileto repair it.Man: Why didn't you at least phone?Woman: I would have! But I didn't know the number of the restaurant.Man: You could have looked it up in the telephone book!Woman: Yes, but ... you'll never believe this ... I couldn't remember the name of the restaurant. I knew where it was, but forgot the name.Man: I see. Well, at least it was lucky you found a garage to repair your car. Woman: Yes. It was something I couldn't do myself. It didn't take too long, but that's why I'm late,you see.Man: Uh-huh. Which garage, by the way?Woman: Pardon?Man: Which garage did you take it to?Woman: Uh ... the one near my flat. You know. Lewis Brothers.Man: Yes, I know that garage. It's the only one near your flat.Woman: Hmm, well now, let's have something to eat. Uh, what about some ... Man: I know the garage very well! Woman: Yes. Let's see now. Yes, I think I'll have some ...Man: A pity it's Sunday.Woman: Pardon?Man: A pity it's Sunday. That garage is closed on Sunday!Exercise Directions: Listen to the dialogue and answer the following questions."Well, at least it was lucky you found a garage to repair your car."4.Because she wants to stop the conversation like this.Because he knows the girl is lying.Part 2 PassageThe Oscar Statuette1 Industry insiders and members of the press called the award "the Academy statuette", "the golden trophy" or "the statue of merit", but the term never stuck.2. No hard evidence exists to support that tale, but in any case, by the sixth Awards Presentation in 1934, a Hollywood columnist used the name in his column.3. Walt Disney was honored with one full-size and seven miniature statuettes on behalf of his animated feature Snow White and the Seven Dwarfs.1.T hey are possibly boyfriend and girlfriend.2.In a restaurant.3."It doesn't really matter, does it? I haven't got anything better to do, have I?""I've only been waiting for over an hour.That's all" "After all, my time isn't reallythat important, is it?" well, at least It waslucky you found a barrage to repair yourcar4. If the statuettes don't meet strict quality control standards, they are immediately cut in half and melted down.5.The large boxes are shipped to the Academy offices via air express, with no identifiable markings.The Oscar statuette, designed by MGM's* chief art director Cedric Gibbons, depicts* a knight holding a crusader's* sword, standing on a reel of film with five spokes, signifying the original branches of the Academy: Actors, Writers, Directors, Producers, and Technicians.Born in 1928, years would pass before the Academy Award of Merit was officially named "Oscar". Industry insiders and members of the press called the award "the Academy statuette", "the golden trophy" or "the statue of merit". The entertainment trade paper, Weekly Variety, even attempted to popularize "the iron man". The term never stuck.A popular story has been that an Academy librarian and eventual executive director, Margaret Herrick, thought the statuette resembled her uncle Oscar and said so, and that as a result the Academy staff began referring to it as Oscar.No hard evidence exists to support that tale, but in any case, by the sixth Awards Presentation in 1934, Hollywood columnist Sidney Skolsky used the name in his column in reference to Katharine Hepburn's first Best Actress win. The Academy itself didn't use the nickname officially until 1939.Since its conception, the Oscar statuette has met exacting uniform standards - with a few notable exceptions. In the 1930s, juvenile players received miniature replicas* of the statuette; a ventriloquist* Edgar Bergen was presented with a wooden statuette with a moveable mouth; and Walt Disney was honored with one full-size and seven miniature statuettes on behalf of his animated feature Snow White and the Seven Dwarfs. Between 1942 and 1944, in support of the war effort, Oscars were made of plaster. After the War, winners turned in the temporary awards for golden Oscar statuettes.The traditional Oscar statuette, however, hasn't changed since the 1940s, when the base was made higher. In 1945, the base was changed from marble to metal and in 1949, Academy Award statuettes began to be numbered, starting with No. 501.Approximately 50 Oscars are made each year in Chicago by the manufacturer, R. S. Owens. If they don't meet strict quality control standards, the statuettes are immediately cut in half and melted down.Each award is individually packed into a Styrofoam* container slightlylarger than a shoebox.Eight of these are then packed into a larger cardboard box, and the large boxes are shipped to the Academy offices in Beverly Hills via air express, with no identifiable markings.On March 10, 2000, 55 Academy Awards mysteriously vanished en route from the Windy City* to the City of Angels. Nine days later, 52 of stolenstatuettes were discovered next to a Dumpster* in the Koreatown section of Los Angeles by Willie Fulgear, who was later invited by the Academy to attend the Oscar 2000 ceremonies as a special guest.For eight decades, the Oscars have survived war, weathered earthquakes, and even managed to escape unscathed* from common thieves. Since 1995, however, R. S. Owens has repaired more than 160 statuettes. "Maybe somebody used chemicals on them to polish them and the chemicals rubbed right through the lacquer* and into the gold," explains the company president. "Or maybe people stored them someplace where they corroded." Although he stresses that the statuette is made to endure, Siegel offers this sage advice to all Oscar winners: "If it gets dusty, simply wipe it with a soft dry cloth." Exercise A Pre-listening QuestionEvery January, the attention of the entertainment community and of film fans around the world turns to the upcoming Academy Awards, the highest honor in filmmaking. The annual presentation of the Oscars has become the Academy of Motion Picture Arts and Sciences' most famous activity. The Oscar Statuette is a knight holding a crusader's sword, standing on a reel of film with five spokes.Exercise B Sentence DictationDirections: Listening to some sentences and write them down. You will hear each sentence three times.Exercise C Detailed ListeningDirections: Listen to the passage and decide whether the following statements are true (T) or false (F). Discuss with your classmates why you think the statement is true or false.----I...- 1. There were five original branches of the Academy.(Because the five spokes on the reel of film signify the original branchesof the Academy:Actors, Writers, Directors, Producers, and Technicians.)~ 2. The Academy Award of Merit was officially named "Oscar" in 1928.(Born in 1928, years would pass before the Academy Award of Meritwas officially named "Oscar.")----I...- 3. The Academy staff began referring to the Academy statuette as Oscar because Margaret Herrick said the statuette was like her uncle Oscar.(An Academy librarian and eventual executive director, MargaretHerrick, thought the statuette resembled her uncle Oscar and said so,and as a result the Academy staff began referring to it as Oscar.)4. Since its conception, the Oscar statuette has met exacting uniform standards. (There were a few notable exceptions. In 1930s, juvenile players received miniature replicas of the statuette and a ventriloquist Edgar Bergen gained a wooden statuette with a moveable mouth. Walt Disney was honored with one full-size and seven miniature statuettes. )----I...- 5. Oscars were made of plaster in the 1940s because of the War. (Between 1942 and 1944, in support of the war effort, Oscars were made of plaster.) ----I...- 6. The manufacturer, R. S. Owens makes about 50 Oscars each year in Chicago. (Approximately 50 Oscars are made each year in Chicago by the manufacturer, R. S. Owens.)~ 7. 55 Academy Awards were stolen by a mysterious person en route from the Windy City to the City of Angels on March 10, 2000.(On March 10,2000,55 Academy Awards just mysteriously vanished en route from the Windy City to the City of Angels, but how and by whom was unknown.) ~ 8. For eighty years, the Oscars have survived war, weathered earthquakes, managed to escape unscathed from common thieves and even chemical corrosion.(Since 1995, however, R. S. Owens has repaired more than 160 statuettes. "Maybe somebody used chemicals on them to polish them and the chemicals rubbed right through the lacquer and into the gold."Exercise D After-listening DiscussionDirections: Listen to the passage again and discuss the following questions.1.T he traditional Oscar statuette hasn't changed since the 1940s, when the basewas made higher.In 1945, the base was changed from marble to metal and in 1949, Academy Award statuettes began to be numbered, starting with No.501.2.(Open)Section ThreeNewsNews Item1Bush-NATO-IraqMr. Bush says he hopes America's NATO allies will stand with the United States if he decides to take military action against Iraq.All the same, the president says no action is likely in the near future. He says for now the focus is on implementing the new UN resolution that calls for a tough weapons inspection regime* and warns of consequences if Iraqi leader Saddam Hussein fails to comply*.Administration official say they expect the NATO summit to release a political statement backing the UN resolution. They say President Bush will bring up Iraq in his bilateral meetings in Prague*, but they also say they do not believe the Iraqi threat will be the focus of the summit.In Prague, the alliance plans to take steps toward the creation of a rapid deployment force that can playa role in combating terrorism. The president said even the smallest NATO member nations can contribute something to the causeExercise A Directions: Listen to the news item and complete the summary.Exercise B Directions: Listen to the news again and answer the following questions1.He hopes America's NATO allies will stand with the United States if hedecides to take militaryaction against Iraq.2.No, the president says no action is likely in the near future.3.They expect the NATO summit to release a political statement backing the UNresolution.4.The NATO summit is held in Prague.No, it will not be the focus of the NATO summit.Bush-IraqPresident Bush says everyone knows the real power in Iraq lies with Saddam Hussein: "There is no democracy. This guy is a dictator and so we have to seewhat he says." The president says the Iraqi leader has a choice to make: disarm peacefully or be disarmed by force: "If Saddam Hussein does not comply to the detail of the resolution, we will lead a coalition to disarm him. It is over. We are through with negotiations. There is no more time. The man must disarm. He said he would disarm. He now must disarm." Mr. Bush spoke with reporters while touring the Washington D.C. police department, a tour designed to highlight his plan to create a cabinet level Department of Homeland Security. He left no doubt his patience regarding Iraq is wearing very thin*, stressing the United States will no longer tolerate any efforts by Saddam Hussein to circumvent* demands to disarm. Exercise BExercise ADirections: Listen to the news item and complete the summary.This news item is about the Bush administration's attitude towards Iraq. Directions: Listen to the news again and decide whether the following statements are true (T) or false (F).British Prime Minister Tony Blair delivered a radio address late Thursdayto the Iraqi people warning that Saddam Hussein must comply with UN demands or suffer the consequences.Prime Minister Blair said Saddam Hussein must cooperate with UN weapons inspectors, or be prepared to face military action. In an interview with Radio Monte Carlo's Arabic service Thursday, Mr. Blair said war could be avoided, if Iraq agreed to disarm."The situation is very clear. If Saddam Hussein agrees to disarm Iraq of all chemical, or biological or nuclear weapons programs and capability, then conflict would be avoided, and his duty is to cooperate fully with the inspectors to tell them exactly what material he has, to cooperate and comply with them in the eradication of that material."The prime minister said he wanted to speak directly to the Iraqi people to try to dispel* what he called myths that have arisen between Christians and Muslims. He said the dispute with Iraq is not about the West versus the East or about oil, but about weapons of mass destruction.Exercise ADirections: Listening to the news item and complete the summary.This news item is about British Prime Minister's stand on the Iraqi issue.Exercise BDirections: Listen to the news again and complete the following sentences.1.Prime Minister Blair warned that Saddam Hussein would suffer theconsequences unless he cooperated with the UN weapons inspectors. Saddam Hussein should cooperate fully with the inspectors to tell them exactly what material he has, and comply with them in the eradication of that material.2.On Thursday Tony Blair had an interview with Radio Monte Carlo's Arabicservice.3.According to the Prime Minister, the conflict can be avoided if SaddamHussein agrees to disarm Iraq of all chemical. or biological or nuclearweapons programs and capability.4.Mr. Blair said the dispute with Iraq is not about the West versus the East orabout oil, but about weapons of mass destruction.Section Four Supplementary ExercisesPart 1 Feature reportBlix’s Iraq InspectionThe chief UN arms inspector has been assigned the task of searching for weapons of mass destruction in Iraq. The Security Council gave Iraq this last opportunity to disarm or face serious consequences, a euphemism* for possible war. The United States says it will make sure Iraq disarms, one way or another.But Mr. Blix* emphasizes that his inspectors will not determine the courseof events in the region. He says they will visit suspected sites, conduct interviews with Iraqi scientists, ferret* out information and report back to the Security Council for its members to decide.As for US and British intelligence reports, which the Bush administration says proves that Iraq has banned weapons, Mr. Blix says he is not going into Iraq with pre-conceived ideas of what is there.The next test for Iraq will be December 8th, the deadline for Iraq to present a full accounting of its weapons programs. If Iraq presents, in effect, a blank sheet, Mr. Blix says, he would expect the United States to put its evidence on the table, so it can be verified.Iraq has persistently maintained it does not have the banned weapons. The latest such assertion came in a letter to the UN this week, in which Baghdad accepted the latest Security Council resolution setting out the parameters* for what experts say will be the most intrusive inspections in Iraq, so far.After the preliminary technical work starting Monday, Mr. Blix says, he expects the first wave of inspections to start November 27th. Two months later, he is required to report to the Security Council on Iraq's performance.Exercise ADirections: Listening to the news report and complete the summary.This news report is about Mr. Blix's weapons inspections in Iraq.Exercise BDirections: Listen to the news again and fill in the blanks with the missing words.Mr. Blix emphasizes that his inspectors will not determine the course of events in the region. He says they will visit suspectedsites, conduct interviews with Iraqi scientists, ferret out information and report back to the Security Council for its members to decide.The next test for Iraq will be December eighth, the deadline for Iraq to present a full accounting of its weapons programs. If Iraq presents, in effect, a blank sheet, Mr. Blix says, he would expect the United States to put its evidence on the table, so it can be verified.Iraq has persistently maintained it does not have the banned weapons. The latest such assertion came in a letter to the UN this week, in which Baghdad accepted the latest Security Council resolution setting out the parameters for what experts say will be the most intrusive inspections in Iraq, so far.Part 2 PassageRise and Fall of Egypt1.The Nile River was a kind friend but occasionally a hard taskmaster of the。
新视野大学英语3听说教程答案(清晰完整版)
Unit 6
Warming up 1."Get ready" 2.Climate changes are occuring more rapidly and natural disasters are becoming more severe. 3.Books on the subject of survival. Listening Short conversations 1.D 2.D 3.D 4.B 5.C 6.A 7.C 8.C 9.A 10.C Long conversation 1.A 2.C 3.B 4.B 5.D Passage 1.C 2.D 3.C 4.D 5.A Radio program 1.Islamabad 2.a tall Islamabad building 3.the Kashmirian Mountains 4.a heavily mititarized region 5.India
Unit 4
Warming up 1. Writer---Jack Kerouac 2. Artist---Jackson Pollock 3. Musician---Louis Armstrong 4. Symbol--- Statue of Liberty Listening Short conversations 1.B 2.B 3.C 4.D 5.A 6.B 7.D 8.C 9.D 10.A Long conversation 1.C 2.D 3.B 4.B 5.A Passage 1.B 2.A 3.D 4.D 5.B Radio program 1.for decades 2.healthy and aactive lifestyle 3.meet consumer demands
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金业二焦3#炉烘炉方案
根据金业二焦3#焦炉工程进度安排,为安全顺利完成烘炉任务,特制定本方案.
一、准备工作
(一)必须完工的工程
1、烟道工程及烘炉临时工程.
(1)烟道勾缝完毕,沉降缝和膨胀清扫干净,所有测
温及测压埋管应埋好.
(2)烟道翻板合格.
(3)在炉顶炉端墙处砌筑临时烟囱.
(4)烘炉管道试压(管道上测温管、测压管、取样
管、蒸汽吹扫管、冷凝液管安装齐全,压力计接
头安装结束).
(5)烘炉操作地方安装临时照明.
(6)备好消防器材.
2、炉体砌筑及清扫工程.
(1)作出炭化室冷态检查记录.
(2)炉体清扫.
(3)炉端墙30㎜膨胀缝清扫.
1、根据国家耐火材料质量监督检验测试中心于2004年8
月22日.提供的B621#、B439#、B215#、砖号622#、626#、609#、675#,硅砖的热膨胀率编制烘炉计划.
2、干燥期定为8天.
3、日膨胀率400℃以前取0.03%,400℃以后取0.035%.
4、通过计算,确定《3#炉干燥和升温计划》、《烘炉升温曲
线》和《烘炉膨胀计划曲线》.
5、用焦炉煤气烘炉,当燃烧室温度这850℃进转为正常加
热.
6、必须确保3#炉烘炉用煤气.
四、烘炉热工管理
(一)烘烟道
烘炉前三天打开总烟道底翻板,测定分烟道翻板开一半后翻板后吸力在80pa以上,并有调节余量,可不烘分烟道,如达不到,则必须烘分烟道,以达到上述条件.
(二)烘炉小灶点火及升温操作
1、将废气砣支起(最大高度).
2、从大烟囱起,将废气开闭器翻板逐次开大.
3、烘炉小灶点火,机侧点单数,焦侧点双数,并将一、二次
进风口定部打开,当温度达70---80℃时,点燃全部小
灶.
4、根据煤气压力和升温情况,逐渐更换小灶加热煤
气主管孔板,建议:
序号温度区间支管孔板(㎜)
1 100---150℃Φ6
2 150---250℃Φ6
3 250---300℃Φ9
4 300---500℃Φ13
5 500---850℃Φ18 5、100℃以前是炉体水分蒸发阶段,即烘炉的干燥期,
升温要缓慢均匀,力求减少上下温差,使砌体水分
顺利排出,空气过剩系数不小于30,保持烟囱有足
够的吸力,保证有足够的进风开度和废气开闭器
开度.
6、当温度升到170℃时,看火孔压力转为正压操作.
7、当燃烧室温度达到850℃时,按《焦炉加热操作法》
改为正常加热.
8、正常加热运行平稳后,拆除烘炉煤气管道.
9、整个升温过程中,建议空气过剩系数控制以下数
值:
炉温过剩系数
16℃-----100℃40---26
100-----200℃26---18
200-----300℃18---8
300-----400℃8---5
400-----600℃5---4
600-----800℃4---1.5
850℃以上 1.5---1.25 10、当炉温达400℃以后时,可拆除炉端墙小
灶,并将进火口,进风口用砖砌死,小烟囱拆除.
11、在低温区硅砖膨胀率变化大,尤其在
117℃、163℃、180---270℃和573℃等晶型转化点变化更为显著,在这几个温度区间内,特别注意加热升温调节,升温平稳,不准降温.
12、当温度达850℃以上,即可开工.
(三)温度测量使用仪表
1、80~800℃用热电偶温度计.
2、800℃以上用光学高温计.
温度测量项目见下表:
(四)压力测量
烘炉期间压力测量项目表
注:以上项目点火前测一次.
(五)升温管理
实际升温与计划升温、允许波动误差
温度范围允许误差
0---250℃±1℃
250℃---400℃±2℃
400℃---600℃±3℃
﹥600±5℃
烘炉期间,不允许温度下降,但也勿使温度猛升.若上班温度达到甚至超过本班的升温度计划,则本班采取保温,不要继续升
烘炉期间弹簧负荷表
六、烘炉期间的热修工作
1、炭化室封墙、烘炉小灶与炭化室外墙联接处要定期刷浆.
2、除尘孔口、看火孔、蓄热室封墙、蓄热室测温孔、篦子
砖、测温孔、废气开闭器与烟道联接口以及上升管底座的密封.
3、常检查炉顶处的裂缝并及时堵塞.
4、700℃以后对炉顶裂缝可采取灌浆方法.
七、热态工程
进行热态工程时,必须严格按照焦耐院《焦炉砌筑规程》和《焦炉设备安装工程》进行,具体见下表:
(1)每次测出的温度要与上班或本班上次温度对照,发现偏
差较大的应重测,对有问题的应查出原因予以解决.
(2)温度计在每一个测温点内必须放置20分钟后方可读
数.
(3)各种仪表要轻拿轻放,严加保护,热电偶支座固定开工
前检查好热电偶钢管是否固定紧,防止掉入燃烧室.
(4)温度和热电偶应编号,放入指定火道,不能任意变动,如
果测直行、横墙时可临时挪用,但测完后仍应放回原处.
(5)热电偶与火眼圈周围接触严密,测温后立即盖好火眼圈,
严防冷空气进入炉内.
(6)测看火孔压力,禁止打开3个以上火眼盖.
3、交接班制度:
(1)交班者将本班操作情况及发生问题详细向接班者介绍
清楚.
(2)当发现热电偶测温不准及时告有关相关人员处理.
(3)对仪表、工具、帐本等均应交接清楚.
(4)交换室内工作区域应清扫干净.
4、安全规定:认真执行各种安全制度,并做到:
(1)移动测温热电偶时,应带厚手套,当炉温高达500℃后厚
手套应缠上石棉布,防止烫伤手脸,注意炉顶照明电线.
3、安全规定
(1)认真贯彻各项安全规定和制度.
(2)测量操作时集中精神,防止碰伤、烫伤.
(3)在临时走台上操作时集中精神,防止闪下炉台,不
准控头跳.
(4)严禁从炉顶上、操作走台往下扔东西.
(5)在炉顶测量放松弹簧时,要戴好安全带.
(6)在炉顶行走时,不准踩炉盖.。