7_GB Capturing Solar Energy 固定太阳能
solar energy阅读理解what is the ma
solar energy阅读理解what is the ma阅读理解。
Solar energy (power from the sun) is of many uses. In many pa rts of the world, people are building solar houses with large numbe rs of windows to collect the heat of the sun. Solar collectors can m ake hot water from sunlight. The rays of the sun heat water in a so lar collector, and the hot water goes into a storage tank (蓄水箱). People can use the hot water for washing or for heating their houses. In the future, people may use the rays of the sun to make electricity for their homes. They will use photovoltaic cells to make electricity from sunlight.The sun is an important "new" source of energy. It is less expe nsive than oil or nuclear energy. Furthermore, it does not cause po llution, and it is not as dangerous as nuclear power. Many people t hink that solar energy will be the answer to our future energy probl ems.1. What is the ma source of solar energy?A. The earth.B. Oil.C. The sun.D. Nuclear energy.2. A solar collector can ______.A. answer our future energy problemsB. make electricity from sunlightC. use hot water for washingD. make hot water from sunlight3. Solar energy may solve ______.A. water shortagesB. storage problemsC. future energy problemsD. future water problems4. People may use the hot water from a solar collector ______.A. for nuclear powerB. for washing and heatingC. to cause pollutionD. to change sunlight into electricity。
锡铅钙钛矿太阳能电池带隙范围
锡铅钙钛矿太阳能电池带隙范围1.锡铅钙钛矿太阳能电池的带隙范围通常在1.1到1.3电子伏特之间。
The bandgap range of perovskite solar cells is typically between 1.1 and 1.3 electron volts.2.这个带隙范围使得锡铅钙钛矿太阳能电池在捕获太阳能方面表现出色。
This bandgap range allows perovskite solar cells to excel at capturing sunlight.3.较窄的带隙范围使得锡铅钙钛矿太阳能电池对光的吸收率较高。
The narrower bandgap range enables perovskite solar cells to have a higher absorption rate of light.4.这个带隙范围还使得锡铅钙钛矿太阳能电池在低光照条件下依然能够有效转换太阳能。
This bandgap range also allows perovskite solar cells to effectively convert solar energy even under low light conditions.5.锡铅钙钛矿材料的带隙范围可以被调控，以满足不同气候和光照条件下的需要。
The bandgap range of perovskite materials can be tuned to meet the requirements under different climates and light conditions.6.一些研究表明，扩大带隙范围也有利于改善锡铅钙钛矿太阳能电池的稳定性。
Some studies have shown that expanding the bandgap range can also improve the stability of perovskite solar cells.7.虽然带隙范围的调控可以带来许多优势，但也面临着材料工艺和成本等方面的挑战。
The power of the sun Solar energy harvesting
The power of the sun Solar energy harvesting Solar energy has become an increasingly popular topic in recent years, as people become more aware of the potential benefits of harnessing the power of the sun. Solar energy harvesting is a process that involves capturing the energy from the sun and converting it into usable electricity. This process has numerous advantages, including reducing our reliance on fossil fuels, reducing greenhouse gas emissions, and helping to combat climate change. In this essay, we will explore the power of the sun and the benefits of solar energy harvesting from multiple perspectives.From an environmental perspective, solar energy harvesting is a crucial step towards reducing our reliance on fossil fuels. Fossil fuels are a finite resource, and their extraction and use have significant environmental impacts. Burning fossil fuels releases greenhouse gases into the atmosphere, contributing to climate change and air pollution. In contrast, solar energy is a renewable resource that does not produce any harmful emissions. By harnessing the power of the sun, we can reduce our reliance on fossil fuels and help to mitigate the impacts of climate change.From an economic perspective, solar energy harvesting has the potential to create jobs and stimulate economic growth. The solar industry is growing rapidly, and as more people adopt solar energy, there will be an increasing demand for solar panels, installation services, and maintenance. This will create new job opportunities and stimulate economic growth in communities that embrace solar energy. Additionally, solar energy can help to reduce energy costs for households and businesses, which can free up money for other expenses and stimulate economic activity.From a social perspective, solar energy harvesting can improve access to electricity for people in developing countries. Many communities in developing countries lack access to reliable electricity, which can limit their ability to access education, healthcare, and other essential services. Solar energy can provide a reliable source of electricity, even in remote areas, which can improve the quality of life for people in these communities. Additionally, solar energy can help to reduce energy poverty, which is a significant issue in many parts of the world.From a technological perspective, solar energy harvesting is a rapidly advancing field, with new innovations and breakthroughs happening all the time. Improvements in solar panel technology have made solar energy more efficient and affordable, while advances in energy storage technology have made it possible to store solar energy for use when the sun is not shining. Additionally, new applications of solar energy, such as solar-powered vehicles and buildings, are being developed, which have the potential to revolutionize the way we live and work.From a personal perspective, adopting solar energy can be a rewarding experience. Knowing that you are doing your part to reduce your carbon footprint and help combat climate change can be a source of pride and satisfaction. Additionally, solar energy can provide a sense of independence and self-sufficiency, as you are generating your own electricity and not relying on a centralized power grid. Finally, solar energy can help to reduce energy costs, which can free up money for other expenses or allow you to live a more comfortable lifestyle.In conclusion, solar energy harvesting is a powerful tool that has numerous benefits from multiple perspectives. From an environmental perspective, it can help to reduce our reliance on fossil fuels and combat climate change. From an economic perspective, it can create jobs and stimulate economic growth. From a social perspective, it can improve access to electricity for people in developing countries and reduce energy poverty. From a technological perspective, it is a rapidly advancing field with new innovations and breakthroughs happening all the time. Finally, from a personal perspective, adopting solar energy can be a rewarding experience that provides a sense of pride, independence, and financial savings. As we continue to explore the power of the sun, it is clear that solar energy harvesting has the potential to transform our world for the better.。
The Physics of Solar Energy Harvesting
The Physics of Solar Energy Harvesting从古代历法的制定，到现代生活中的太阳能设备，太阳能一直在人类生活中扮演着重要的角色。
而在物理学领域，研究太阳能收集的物理学家正在不断地研究和探索，希望能够更好地利用这一源源不断的能量。
1. 太阳辐射的特点太阳能最初的来源来源于太阳本身。
太阳被称为是一个自己建立的恒星，它存在着多种能量形式。
太阳释放的主要能量是利用核反应融合产生的热量和光。
太阳发出的热量和光能被称为太阳辐射。
太阳辐射波长范围很广，从长波红外线到短波紫外线都有。
不过，由于太阳辐射的波长分布并不是均匀的。
而且，太阳辐射的强度也会受到一些因素的影响，比如地球与太阳之间的距离、大气层的吸收和散射等等。
因此，太阳辐射在不同时间和地点，强度和波长分布都有所不同。
另一个特点是太阳辐射可以通过直接辐射和漫反射两种方式到达地球表面。
直接辐射来自于太阳直接照射到地面的光，而漫反射则是来自于大气层中的气溶胶和雾霾等粒子在太阳光照射下反射和散射后再到达地面。
2. 太阳能收集器的物理原理太阳能收集器一般是指太阳能电池板和太阳能热水器等太阳能设备。
不同的收集器可以利用不同的物理机制来收集太阳辐射。
太阳能电池板太阳能电池板主要利用半导体材料的光伏效应来将太阳辐射转化为电能。
当光子碰撞到半导体材料时，它会将一个电子从半导体材料中释放出来，这个电子就能够被捕获并流动到电路中形成电流。
太阳能电池板的特点是可以将高能的紫外线和短波蓝色光线转化为电能，但效率较低。
太阳能热水器太阳能热水器则利用了太阳辐射的热量。
太阳能热水器一般由吸收板、传热管和热水储存罐组成。
吸收板上的涂层能够吸收太阳辐射，并将能量转化为热量，通过传热管中的流体进行传递，最终储存在热水储存罐中。
太阳能热水器的特点是在蓝色和红外光区域的吸收效率较高，但太阳能单位面积的收集热量较低。
3. 太阳能收集器的研究方向尽管太阳能设备已经用于生活多年，但是太阳能收集器的性能和效率还有很大的提升空间。
高二年级英语环境保护与可持续发展单选题40题
高二年级英语环境保护与可持续发展单选题40题1. The destruction of the rainforest can lead to the loss of many _____, which play a crucial role in maintaining the ecological balance.A. speciesB. areasC. treesD. climates答案：A。
解析：本题考查对生态系统概念的理解。
A选项“species （物种）”，雨林的破坏会导致很多物种的消失，而物种在维持生态平衡中起着至关重要的作用。
B选项“areas（（区域）”，这里强调的不是区域的丧失，而是生物多样性的丧失。
C选项“trees（（树木）”，虽然雨林中有很多树木，但这里说的是更广泛的生态概念，不仅仅是树木。
D选项“climates（（气候）”，雨林破坏会影响气候，但不是直接导致气候的丧失。
2. Which of the following is a major type of water pollution?A. Noise pollutionB. Air pollutionC. Chemical wasteD. Soil erosion答案：C。
解析：本题考查环境污染类型。
A选项“noise pollution （噪音污染）”属于另一种类型的污染，与水无关。
B选项“air pollution （空气污染）”也是不同类型的污染。
C选项“chemical waste（（化学废物）”，化学废物排入水中是一种主要的水污染类型。
D选项“soil erosion（土壤侵蚀）”主要是土壤方面的问题，与水污染无关。
3. An ecosystem includes all of the following EXCEPT _____.A. living organismsB. non - living thingsC. human - made buildingsD. the environment they live in答案：C。
太阳能转换英语作文
太阳能转换英语作文The Miracle of Solar Energy Conversion.In the ever-evolving landscape of renewable energy sources, solar energy stands as a beacon of hope and potential. Its ability to harness the seemingly limitless power of the sun and convert it into usable energy forms such as electricity and heat has revolutionized the way we power our world. This essay aims to delve deeper into the intricacies of solar energy conversion, exploring its principles, applications, and the challenges that lie ahead in harnessing this renewable resource.The Fundamentals of Solar Energy Conversion.Solar energy conversion is the process of capturing sunlight and converting it into another form of energy.This process typically involves the use of photovoltaic (PV) cells, which are semiconductor devices that convert solar radiation into direct current electricity. The workingprinciple behind PV cells is the photovoltaic effect, where the absorption of photons (particles of light) by a semiconductor material releases electrons, creating a voltage and enabling the flow of electricity.Solar thermal collectors, on the other hand, convert solar radiation into heat. These collectors utilize materials.。
2019年12月英语四级真题试卷及详细答案(第一套)详细版
大学英语四级真题试卷及详细答案一(完整版)目录大学英语四级真题详细答案(完整版) (1)大学英语四级真题试题一(完整版) (42)快速对答案 (56)大学英语四级真题详细答案(完整版)Part I Writing (25 minutes) (请于正式开考后半小时内完成该部分，之后将进行听力考试)Directions:For this part, you are allowed 30 minutes to write an a short easy on how to best handle the relationship between doctors and patients. You should write at least 120 words but no more than 180 words.Part II Listening Comprehension (30 minutes) Section ADirections:In this section, you will hear three news reports. At the end of each news report, you will hear two or three questions. Both the news report and questions will be spoken only once. After you hear questions, you must choose the best answer from the four choices marked A), B), C) and D). Then mark the corresponding letter on Answer Sheet 1 with a single line through the centre.注意：此部分试题请在答题卡1上作答。
英语太阳能ppt
as a new energy, solar energy has three characteristics compared to conventional energy sources: first: it is human beings can use the most abundant source of energy, enough to supply the earth for future human use of billions of years.
英语太阳能ppt
But There are many limitations of using solar energy
• (1) dispersion: solar radiation reaching the Earth's total surface, despite great, but very low energy density
• (2) Instability: weather play an important role in the utilization of solar energy.
• (3) Low efficiency and high cost.
英语太阳能ppt
• in the global solar energy is becoming more and more important, because use of oil and coal have caused global warming, a serious environment , many countries are in search for new strategies to achieve sustainable development. Solar energy is clean, convenient, economical, safe, environmentally friendly and other advantages, as the focus for the future of energy..
钙钛矿太阳能电池全英文介绍
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Volume 11, Issue 1, pages 10-25, 30 OCT 2014 DOI: 10.1002/smll.201402767
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2. Facile low temperature solution-based fabrication method; 3. High absorption coefficient. 4. Higher stability in air. 5. High diffusion length, high charge-carrier mobilities.
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Volume 11, Issue 1, pages 10-25, 30 OCT 2014 DOI: 10.1002/smll.201402767
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• Changing in any of A, M and X in AMX3 changes the bandgap • The bandgap also can be tuned in between 1.55 eV and 1.17 eV
by varying the ratio of lead to tin
• Mesoporous TiO2 layer usually is used to collect the electrons • Organic Hole transporting material (HTM) collects the holes • Planar structure has simpler structure and higher efficiency
日照计校准规范
日照计校准规范1范围本规范适用于光电式数字日照计（以下简称“日照计”）的校准。
2引用文件本规程引用下列文件：JJF 1001―2011 通用计量术语及定义 GB/T 31163―2014 太阳能资源术语 GB/T 33702―2017 光电式日照传感器ISO 9060―2018 太阳能—半球向日射表和直接日射表的规范和分类（Solar energy —Specification and classification of instruments for measuring hemispherical solar and direct solar radiation ）WMO No.1227―2018 观测仪器和方法委员会第十七次届会最终节略报告（Commission for Instruments and Methods of Observation Abridged Final Report of the Seventeenth Session ）WMO No.8―2014 气象仪器和观测方法指南（Guide to Meteorological Instrument and Method of Observation ）凡是注日期的引用文件，仅所注日期的版本适用于本规范；凡是不注日期的引用文件，其最新版本（包括所有的修改单）适用于本规范。
3术语和计量单位3.1 直接辐照度 direct normal irradiance太阳直接辐射在与光线垂直的平面上的辐照度，单位为瓦每平方米（-2W m ⋅）。
3.2 日照 sunshine大于或等于120 -2W m ⋅的直接辐照度。
注：世界气象组织规定直接辐照度120 -2W m ⋅为日照阈值。
3.3 日照时数 sunshine duration实际存在符合日照定义时段的总和，单位为小时（h ）。
注：日照时数的基本计量时间段为日，月和年的日照时数以日值进行累计。