在美国，二氧化碳排放来自能源物质的燃烧，占的温室气体排放量的80%。
Carbon dioxide emissions from the burning of energy sources account for 80 percent of greenhouse gas emissions in the United States.
一个人吃掉的大部分食物会被分解成为葡萄糖，它是人体所需的主要能源物质。
Your body converts most of the food you eat into a form of sugar called glucose, which is our main source of energy.
他说最可能的原因就是他已经到了一个身体需要蛋白质作为能源物质的情况了。
The likely reason, he said, was that he had reached a point where his body began burning its own muscle protein for fuel.
目的：综合分析乳清蛋白、抗氧化剂、能源物质、中药及运动饮料的补充在抗运动疲劳中的作用。
OBJECTIVE: to explore the effect of the supplement of lactalbumin, oxidation inhibitor, energy substance, Chinese herbs and sports drink on anti-fatigue.
运动员膳食中的三大能源物质供能比列不符合推荐值，脂肪供能比例过高，而碳水化合物供能比例不足。
Athletes of the three major dietary energy than for material not included with the recommended values for fat to the proportion of high carbohydrate and less than energy.
糖是运动过程中的基本能源物质，对于运动能力的维持有着极其重要的作用，合理的补糖可提高机体的运动能力。
Carbohydrate is a basic energy substance during sport. It plays an important role to the maintain of sport ability. Reasonable carbohydrate supplement also improves the sport ability of body.
通过不同的计算，研究者还能得知这些被消耗的卡路里是来自人体两种主要能源物质——脂肪和碳水化合物——中的哪一种。
Using various calculations, the researchers could also tell whether the calories expended were in the form of fat or carbohydrates, the body's two main fuel sources.
糖作为运动过程中基本能源物质，其重要性不仅体现在耐力运动上，对于其他运动项目而言，合理的补糖也可提高运动成绩。
Sugar as a movement in basic material and energy, its importance is reflected not only in endurance sports, other sports, a reasonable premium sugar can also improve performance.
日常摄入的水、食物和各类能量与输出的污水、固体废物、空气污染物、能源和经过某种转化的物质相匹配。
A daily input of water, food, and energy of various kinds is matched by an output of sewage, solid waste, air pollutants, energy, and materials that have been transformed in some way.
当我们防止物质的浪费、提高能源效率或提高资源生产率时，我们就节约了资金、提高了盈利能力并增强了竞争力。
When we prevent physical waste, increase energy efficiency or improve resource productivity, we save money, improve profitability and enhance competitiveness.
但是其主要成分是一种被称为沥青的焦油状物质。因此从地面开采和把他们运往提炼产都需要消耗大量的能源。
But they are made up of a tarry substance called bitumen, which requires large amounts of energy to extract from the ground and prepare for transport to a refinery.
自那以后，已经开发了许多新型电池，但无一例外都是遵从一个原理：它们利用不同物质之间的化学反应以储蓄或者提供电力能源。
Since then a lot of new types have been developed, though all are based on the same principle: they exploit chemical reactions between different materials to store and deliver electrical energy.
从个人来讲，你为了资源、物质、时间、被关注和能源等竞争。
Personally, you compete for resources, material goods, time, attention, and energy.
在这样一个样板房中，住户可以从藻类培育产生的氢气和生物物质中获得所需能源。
In such a model, the house's residents would get the energy they need from the hydrogen and bio-mass created by the cultivation of algae.
现在这项作品正在“米兰国际家具展览会”参展，其供电的能源来自西红柿中的酸性物质，锌和铜之间发生的化学反应。
Currently exhibited at the Milan Furniture Fair, the design collects energy from a chemical reaction between tomato acids, zinc, and copper.
史密斯先生说，“我们发现土壤中含有营养物质，能源，如果500万年前存在水，我们就接近于发现一个可能存在生命的环境。”
"We have nutrients in the soil, energy sources, and if there was liquid water five millions years ago, we're getting close to an environment where life could live," says Smith.
回收旧电器能帮助节省资源和能源，防止有害物质进入环境。Which?
Recycling electrical goods helps preserve resources and energy, and stops harmful chemicals entering the environment, Which?
那些从事生物乙醇生产的公司目前已经普遍能够从谷物和甜菜等农作物中提取出糖的成份，但还有一些公司对此仍不满足，他们眼下正在致力于从包括麦麸、稻草以及木材在内的众多富含纤维的物质中获取能源。
Bioethanol firms currently extract sugars from crops like grains and sugar beet, but some are developing technologies to extract energy from fibre such as wheat bran, straw or wood.
如果希望某种技术在商业利用方面切实可行，首先在物料的预处理方面要求所得到的中间产品必须是容易发酵的糖份，产量高，浓度也较高，而且技术的实施成本还不能过高，还有生产过程中更不能使用有毒物质，不可以耗费太多能源，最后，所生产出来的草料油在价格方面必须能够与传统汽油一争高下。
They should not use toxic materials or require too much energy input to work. They must also be able to produce grassoline at a price that can compete with gasoline.
发生在流感病毒上的变化，可能源于某种快速变异，也可能是遗传物质缓慢漂移的最终结果。
Changes to influenza viruses can happen as a result of quick mutations or as the end result of a slower drift in genetic material.
由于人类的食物需要以及对木材、能源、矿物质和其他资源的需求，热带雨林数量正在以令人吃惊的速度减少。
Tropical rain forests are diminishing at an alarming rate because of the human need for food and demands for timber, energy, minerals, and other resources.
甚至纸张回收也不好，因为你要使用化学物质，和能源才能回收纸张，对吧？
Even recycling is not good because you use chemicals and energy to make the paper clean again, right?
利用自身物质材料建造的月球太阳能电站把日光转换成电能，可以为整个月球的勘探开发提供所需的能源。
Sunlight can be converted into electricity with lunar-made solar panels to supply the Moon with all of the power needed for global exploration and development.
当恒星逐渐缺少能源，它的核心部分变得越来越小，温度逐渐升高，同时使外层物质挥发。
As the star begins to run out of fuel, its core becomes smaller and hotter, boiling off its outer layers.
在一些最贫困国家，很多“可再生”能源是通过燃烧木材和其他生物质产生的，用途也只是取暖和烹饪。这些国家的能源利用，“既不环境友好，效率也不高。”
Much "renewable" energy was generated by burning wood and other biomass for heating and cooking in the poorest countries - energy use that is "neither environmentally friendly nor efficient".
其次就是如何转移能源。 比方说，美国的西南部阳光充足，能源作物生长茂盛，生物质能丰富；高原地区风力强劲，风能储量大。
After that, the energy has to be moved from where it is easily gathered, such as the sunny American Southwest or the windy High Plains, to the places it can be used.
美国能源部认为，合计考虑，生物质能燃料—包括市政垃圾、建筑碎石、农场以及露天工场肥料—将能够满足我们40%的能源需求。
The Department of Energy estimates that, taken together, biomass--including municipal waste, construction rubble, and farm and yard waste--could fulfill more than 40% of our energy needs.
美国能源部认为，合计考虑，生物质能燃料—包括市政垃圾、建筑碎石、农场以及露天工场肥料—将能够满足我们40%的能源需求。
The Department of Energy estimates that, taken together, biomass--including municipal waste, construction rubble, and farm and yard waste--could fulfill more than 40% of our energy needs.
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