additives-精
精酿啤酒专业术语
精酿啤酒专业术语精酿啤酒专业术语是指在啤酒制作过程中所使用的一些特殊术语和专业术语。
下面是关于精酿啤酒的一些常用术语解释。
1. 原麦汁（Original Gravity，OG）：指啤酒糊化前的麦汁浓度，通常用比重（SG）或度（Plato，°P）表示。
原麦汁较高的啤酒往往更浓郁、口感更饱满。
2. 终麦汁（Final Gravity，FG）：指发酵结束后的麦汁浓度，通常用比重或度表示。
终麦汁与原麦汁的差异可以帮助评估啤酒是否发酵完全，也是计算酒精含量的重要指标。
3. 云雾（Haze）：精酿啤酒中经常出现的浑浊或乳白色的外观特征，由于麦汁中大量未过滤的酵母和蛋白质所造成。
云雾也被认为是一些特殊风味和口感的来源。
4. 花香（Hop Aroma）：指啤酒中来自啤酒花的香气。
不同品种的花香具有不同的特点，可以呈现水果、草药、松树等不同的气息。
5. 酒花苦味（Hop Bitterness）：啤酒中啤酒花苦味所呈现出的口感。
苦味的强度通常由苦味单位国际单位（IBU）来衡量，数值越高表示苦味越强烈。
6. 口感（Mouthfeel）：描述啤酒在口腔中的触感和粘性的术语。
口感可以被描述为轻盈、滑顺、丰满、干燥等。
7. 酵母（Yeast）：发酵主要由酵母菌引起，酵母负责将糖转化为酒精和二氧化碳。
在精酿啤酒中，不同品种的酵母会带来不同的风味和口感。
8. 添加剂（Additives）：在啤酒酿造过程中用于调整风味、酒精含量和发酵过程的物质。
常见的添加剂包括果汁、蜂蜜、糖等。
9. 瓶内二次发酵（Bottle Conditioning）：将啤酒灌装到瓶中后，添加额外的糖和酵母，以促进二次发酵和生成二氧化碳。
这样可以增加啤酒的气泡和复杂性。
10. 纯度法（Reinheitsgebot）：又称为德国纯度法，是德国啤酒酿造的法律标准。
规定只能使用大麦、啤酒花、酵母和水作为酿造原料，禁止使用其他添加剂。
11. 瓶内熟化（Cellaring）：将啤酒保存在恒定的温度下，使其在瓶子中继续发展和改善。
食品中添加剂的研究现状
食品中添加剂的研究现状摘要：食品添加剂是为改善食品品质和色、香、味以及防腐和加工工艺的需要而加入食品中的化学合成或天然物质，是食品工业的重要组成部分。
但目前使用的食品添加剂大多是人工合成物，超标使用会对人体造成不同程度的危害。
其中许多属于化学制品，有些本身带有毒性，有些含有残留有害物，所以需要严格检验及限量要求，否则会给消费者健康带来危害。
本文联系实际，对一些较为常见的食品添加剂进行检测分析，让读者更了解这些日常饮食中的隐形杀手。
关键词：食品添加剂，检测方法，色谱Research situation of food additivesZhangLingling ShangHai Ocean UniversityPackaging engineering Class Two 0835209Abstract: Food additive is to improve food quality and color, flavor, taste and preservation and processing technology to join the food in the chemical synthetic or natural material, is an important part of the food industry. But at present the use of food additives are mostly synthetic, exceed mark to use on the human body caused by different degrees of harm. Many of them belong to the chemical products, some itself with toxicity, some contain residues of harmful substances, so the need for strict inspection and limits, otherwise it will give consumers the health hazards. In this paper, connection is actual, on some of the more common food additives were analyzed, to give readers a better understanding of the daily diet of invisible killer.Key words:food additives,detection method, Chromatographic1.绪论食品添加剂在食品中的应用十分广泛 ,尤其在当今社会 ,我们所接触的食物几乎都与食品添加剂息息相关 ,平均每人每天可能摄入几十种的食品添加剂。
蜂 Ли普 Gold Adhesive Performance Additives 软打包控制系列说
Increased Adhesion at Cold Temperatures
Prevent Oil
Migration
Compatibi- Anti-Block lizer
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Ethylene-Acrylic Acid Copolymers
A-C 540
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A-C 5120
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575 @140°C
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650 @140°C
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Ethylene-Vinyl Acetate Copolymers
that measures may not be required.
1765 PA v2 | November 2017 ©2017 Honeywell International Inc. All rights reserved.
agent
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精细化工专业英语
精细化工专业英语一、单词1. Surfactant- 英语释义：A substance that reduces the surface tension of a liquid in which it is dissolved.- 用法：可作名词，在描述与降低液体表面张力相关的物质时使用。
- 例句：Surfactants are widely used in detergents to improve their cleaning ability.（表面活性剂广泛用于洗涤剂中以提高其清洁能力。
）2. Polymer- 英语释义：A large moleculeposed of many repeated subunits.- 用法：名词，用于表示由许多重复单元组成的大分子物质。
- 例句：This polymer has excellent mechanical properties.（这种聚合物具有优异的机械性能。
）3. Catalyst- 英语释义：A substance that increases the rate of a chemical reaction without being consumed in the reaction.- 用法：名词，在涉及化学反应速率加快且自身不被消耗的情况时使用。
- 例句：The catalyst made the reaction proceed much faster.（催化剂使反应进行得快得多。
）4. Emulsion- 英语释义：A mixture of two or more liquids that are normally immiscible (unmixable).- 用法：名词，描述两种或多种通常不互溶的液体的混合物。
- 例句：An emulsion of oil and water can be stabilized by adding an emulsifier.（通过添加乳化剂可以稳定油和水的乳液。
金属粉末冶炼技术的主要流程
金属粉末冶炼技术的主要流程英文回答：Metal powder metallurgy is a process that involves the production of metal powders and their subsequent consolidation into solid metal components. The main steps in the metal powder metallurgy process include powder production, powder blending, compacting, sintering, and finishing.1. Powder Production:The first step in metal powder metallurgy is the production of metal powders. There are several methods for producing metal powders, including atomization, chemical reduction, and mechanical comminution. Atomization is the most common method, which involves melting the metal and then spraying it with a high-pressure gas to form droplets that solidify into powder particles.2. Powder Blending:After the metal powders are produced, they are often blended with other powders or additives to achieve desired properties or compositions. This step is crucial in achieving the desired characteristics of the final product.3. Compacting:The blended metal powders are then compacted into a desired shape using a variety of techniques, such as cold pressing or isostatic pressing. Cold pressing involves compressing the powders at room temperature, whileisostatic pressing applies pressure from all directions using a fluid medium.4. Sintering:The compacted powders are then subjected to a sintering process. Sintering involves heating the powders in a controlled atmosphere to a temperature below their melting point, causing the particles to bond together. This resultsin a solid, porous structure known as a green compact.5. Finishing:The final step in metal powder metallurgy is finishing, which involves various processes to improve the mechanical properties, surface finish, and dimensional accuracy of the sintered components. Finishing processes may include machining, heat treatment, and surface coating.Metal powder metallurgy offers several advantages over traditional metal processing methods. It allows for the production of complex shapes, reduces material waste, and can achieve a high level of material purity. It is widely used in industries such as automotive, aerospace, and electronics, where lightweight and high-performance components are required.中文回答：金属粉末冶金技术是一种将金属粉末制备并进一步固化成金属零件的工艺过程。
肉类食品添加剂安全问题
大学结课论文课程名称：食品添加剂姓名：田小辰学号: 87140260 专业：食品科学与工程年级: 2014级成绩：2016年肉制品食品添加剂安全问题田小辰（大学食品科学与工程学院，省市 130062 ）摘要：随着人们生活水平的提高, 食品安全成了社会关注的热点。
食品安全问题中, 食品添加剂安全使用尤为突出, 影响着人民群众的身体健康。
肉类食品添加剂的广泛应用是肉类工业发展的助推器，也是影响肉制品安全的重要因素，我们必须加强从源头到产品全程的控制管理，增强对群众的食品安全教育，正确引导舆论，才能在确保肉制品安全和消费者的安全与健康的同时，又不使消费者误解正常的添加剂使用。
关键词：肉制品食品添加剂安全中图分类号：TS202.3文献标识码：A文章编号：Safety Problems of Food Additive in Meat IndustryTIAN Xiao-chen(College of Food Science and Engineering, Jilin University, Jilin Changchun 130062, China)Abstract:With the great improvement of peoples’ living standard, food safety became a hot spot ofsociety. Among the safety issue, the safety utilization of food additive became more and more outstanding, and influencing the peoples’ health.The widely used of meet additive is the booster of the development of meet industry, as well as the most important factor that influence the meet safety. Only if we improve the control of the progress from origin to product, improve food safety education for the masses, correctly guide public opinion, we could ensure the safety of meat products safety and consumer’s health, as well as don't make consumers misunderstanding normal use of additives.Key words:food additive; safety食品添加剂是现代食品工业的重要组成部分，它们在改善食品的质量、档次和色、香、味、形，原料及成品的防腐、保鲜，提高食品的营养价值，食品加工工艺等方面都起着极为重要的作用[1]。
树脂工艺品生产流程英文专业术语
树脂工艺品生产流程英文专业术语English Answer:1. Resin Casting.Mold Preparation: Creating a mold or mold system to define the shape of the resin casting. Materials usedinclude silicone rubber, rigid thermoplastics, and ceramics.Resin Mixing and Casting: Preparing the resin by mixing base resin and catalyst in precise proportions. Degassedand poured into the prepared mold.Curing: Holding the resin at specific temperatures and time to allow polymerization and cross-linking.Demolding: Carefully removing the cured resin casting from the mold.2. Resin Laminating.Layup: Placing layers of fiberglass or carbon fiber fabric onto a mold or form.Resin Application: Applying resin over the fabriclayers using techniques like hand layup, vacuum infusion,or closed molding.Compaction: Removing trapped air and voids from the laminate using vacuum or pressure rollers.Curing: Allowing the resin to polymerize and cure, forming a strong composite structure.3. Resin Finishing.Trimming and Shaping: Removing excess resin or laminate and refining the shape of the part using tools such as saws, sanders, and files.Surface Preparation: Smoothing and preparing thesurface for further processing or finishing.Painting and Coating: Applying paints, stains, or protective coatings to enhance the appearance or functionality of the resin part.4. Resin Reinforcement.Core Materials: Incorporating lightweight materialslike foam or honeycomb into resin parts to improve strength and stiffness.Additives: Adding pigments, fillers, UV stabilizers, or other chemicals to enhance the properties or appearance of the resin.Reinforcement Fabrics: Using fiberglass, carbon fiber, or metal mesh to reinforce resin parts for enhanced mechanical properties.5. Resin Tooling.Master Model Creation: Building a master model of thedesired part using techniques like sculpting, carving, or CAD/CAM.Mold Making: Creating a mold or molds from the master model using rubber, polyurethane, or epoxy compounds.Part Production: Using the molds to produce multiple resin parts with consistent dimensions and high precision.Chinese Answer:树脂工艺品生产流程英文专业术语。
饲料添加剂PPT课件精选全文
国际饲料编码：IFN 5-08-022。美国AAFCO规定L-赖氨酸 产品中的L-2，6-二氨基己酸含量不得低于95%。
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七、饲料添加剂的基本要求
（1）安全性； （2）稳定性； （3）适口性； （4）不影响繁殖性能； （5）有效期； （6）经济性； （7）有效性； （8）方便性。
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八、饲料添加剂的使用方法
1、在能量、蛋白质及常量矿物元素满足动物
营养需要时才有效；
2、准确选择（添加剂的性能、饲养目的、动
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单胃成年家畜有8种氨基酸:即赖氨酸-Lys、蛋氨 酸-Met、苏氨酸-Thr、色氨酸-Trp、缬氨酸-Val、 苯丙氨酸-Phe、亮氨酸-Leu、异亮氨酸-Ile。
生长期的家畜:除上述8种氨基酸以外，还需要组 氨酸-His和精氨酸-Arg。
雏禽:除上述10种必需氨基酸外，还需要甘氨酸Gly、胱氨酸-C-Cys、酪氨酸-Tyr，共13种
目前用作饲料的赖氨酸盐酸盐的生产方法有发酵法和化 学合成-酶法两种。
L-赖氨酸盐酸盐含L-赖氨酸79.24%，盐酸19.76%。
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2）蛋氨酸
蛋氨酸（Methionine）因为该氨基酸的分子结构中有1个甲 硫基 (-SCH3)，所以又称为甲硫氨基酸。化学名甲硫基丁氨 酸或2-氨基-4-甲硫基-丁酸。蛋氨酸是必需氨基酸中唯一含 硫的氨基酸。
饲料添加剂
一、名词解释01.Leptin（瘦素）是肥胖基因（obese gene,ob）的表达产物。
是一种重要的细胞调节因子，由白色脂肪细胞分泌，主要由广泛分布在中枢和外周的瘦素受体（OB-R）介导的，对体重、体内脂肪蓄积和摄食行为有调节作用。
1.饲料添加剂（Feed additives）：是指在天然饲料加工、调制、贮存或饲喂过程中，为满足动物营养需要或为某种特殊目的而另外加入的少量或者微量物质的总称。
2.益生素 (Probiotics): 指活菌或死菌包含其产物的细菌，具有维持肠道微生物平衡、提高机体健康水平的活菌制剂。
主要分为: 乳酸菌、芽孢杆菌、非常驻菌。
3.益生元(Prebiotics):能选择性的刺激一种或几种有益微生物在宿主肠道内生长或活化，增进宿主健康，而又不能被宿主消化的物质主要包括: 异麦芽寡糖、果寡糖、甘露寡糖、乳寡糖。
4.合生元 (Snybiotics):以上两种的混合制品。
合生元是目前公认效果最好的微生态制剂，但其对益生菌和益生元的选择及二者的配伍比例有严格的要求。
5.消化助进剂：酶制剂，酸化剂，肠道损伤修复剂（谷氨酰胺、SCFA），瘤胃代谢调控剂（缓冲剂、异位酸、甲烷抑制剂、脲酶抑制剂）等。
特点：主要在消化道内发挥作用，促进养分消化吸收。
6.酶制剂：它是一类由活细胞产生的、具有催化活性的特殊蛋白质，是生物体进行新陈代谢的催化剂。
评价饲用酶唯一有效的方法是将它添加到适合的饲料中来饲喂目标动物，以目标动物的生长表现来确定酶制剂的好坏。
7.微生物耐药性（抗药性）：长期使用的药物性添加剂与抗原长期接触后，微生物会对这种药物产生一定的耐受性，从而抑制和杀死微生物的作用，微生物的此特性称微生物的耐药性。
8.饲料的酸结合力（acid-binding capacity）又称系酸力、缓冲值（B值）：将100g饲料加入100毫升去离子水中，用浓度为1mol/L的标准盐酸滴定到该溶液的pH值为4.0时所消耗盐酸总毫升数。
香兰素对人精子活力的影响
香兰素对人精子活力的影响目的：香兰素在日常生活中用途非常广，如在日化、食品，烟草工业，临床药物的制造等。
目前国内还没有相关报道香兰素对人生殖系统有影响。
本实验探讨香兰素对男性精子活力的影响。
方法：将香兰素分成不同的浓度组：1X10-2MMOL/ML ，1X10-3MMOL/ML ，1X10-4MMOL/ML，1X10-5MMOL/ML，1X10-6MMOL/ML，1X10-8MMOL/ML加入符合WHO第四版规定的正常的人精液中。
利用计算机辅助精子分析仪，检测与比较对精子的活力影响。
结果：随着香兰素浓度的逐减对精子活力的影响越来越小，浓度为1X10-6MMOL/ML，精子活力变化最小，与生理盐水，灭菌水比较无显著差异，通过数学统计分析无统计学意义。
结论：香兰素是一种用途广泛相对安全的食品添加剂，在国家规定标准范围内使用对人精子活力无影响。
对人类的其他影响还有待探讨。
标签：香兰素食品添加剂人精子活力ABSTRACT：Objective：Vanillin is used very widely. For example it is used in daily chemical production，food，the tobacco industry and manufacture of clinical medicine. So far，there are no relevant reports about the affect of vanillin on human reproductive system in China. This test is to discuss the influences of vanillin on the male sperm vitality. Methods：The concentration of vanillin is divided into different groups：1X10-3MMOL/ML ，1X10-4MMOL/ML，1X10-5MMOL/ML，1X10-6MMOL/ML，1X10-8MMOL/ML. And then they were added to the normal semen. By computer assisted sperm analyzer，testing and comparison their influence on sperm vitality. Results：As the vanillin concentration decreases，its effect is more and more smaller on sperm motility. The change is minimal on the concentration of 1X10-6MMOL/ML. And there are no significant differences compared with normal saline and water sterilization. Through mathematical statistical analysis，there is no statistical significance. Conclusions：Vanillin is a kind of relative safety and used widely food additive. There is no influence sperm motility if it was used within the scope of the provisions of the state standard. But the other more effects on human remains to be explored.KeyWords ：Vanillin food additives human sperm motility香兰素的用途非常广泛，可以作为香原料，定香剂或矫味剂应用于食品，是一种常用的食品添加剂，常用于饮料，糕点，糖果，饼干，炒货和面包中【1-3】；用于工业，作锌电镀的活性剂、镀锌槽的增白剂、亚麻子油的氧化助剂及杀虫剂的引诱剂【4】；还可以用于制烟中防止吸烟引起的嘴唇干燥【5】；另，香兰素可以作为一种催熟剂、维生素B2的增溶剂和甲基异丁烯聚合的催化剂。