当另一种植物获得化学物质时，它就会开始释放自己不同的化学物质。
When another plant gets the chemicals, it starts to give out its own, different chemicals.
受损核电站在释出放射性物质时往往会遵循同一种模式。
Radioactive materials tend to be released from a damaged nuclear plant in a certain pattern.
当植入死的微孢子虫或者对照物质时，大多数都存活了。
When the lady bugs were injected with dead microsporidia or a control substance most survived.
当选择ppe处理化学物质时，现场试验就尤为重要了。
When selecting PPE for handling any chemical, it is important to conduct on-site testing.
当物质变成与其原来不一样的另一物质时，这种变化是化学变化。
When matter is changed to a substance different from what it was , the change is a chemical change .
猎犬的鼻子通常遇到易挥发性的物质时能辨别出那是完全不同的一组气味。
Volatile substances usually strike the bloodhound's nose as an entire constellation of distinctive scents.
当核燃烧向外进行到核心周边壳层的新物质时，恒星会膨胀成所谓的红巨星。
As the nuclear burning moves outward to the fresh material in a shell surrounding the core the star bloats into a so-called red giant.
当核燃烧向外进行到核心周边壳层的新物质时，恒星会膨胀成所谓的红巨星。
As the nuclear burning moves outward to the fresh material in a shell surrounding the core, the star bloats into a so-called red giant.
当黑洞吞噬物质时，气体和尘埃会被加热，并喷发出x射线，在图中以白色表示。
As the black hole feeds, the gas and dust heat up and spray out X-rays, as illustrated by the white rays.
意谓著当你给别人你的时间和物质时，你相信神会照顾你。能得到永恒的赏赐。
It means that you trust God to take care of you whilst you give of your time and resources to gain an eternal reward.
当织物中加入高导电性或高通透性的物质时，就能使其达到理想的电磁屏蔽效果。
When the material with high conductivity or permeability was incorporated into fabric to impart the fabric with the desired EMSE properties.
终于在他点燃某种物质时，由于室温时聚合物分子与水分子之间存在的化学键，发生了这种情况。
In the substance he eventually lit on, this happens because at room temperature there are chemical bonds between polymer molecules and water molecules.
滑石，另一个受欢迎的成分，发现在许多婴儿粉末，可作为癌症造成的物质时，吸入。
Talc, another popular ingredient found in many baby powders, can act as a cancer-causing substance when inhaled.
当喷嘴层层喷洒这些珍珠粉般的物质时，你大可以想象这台机器将如何在姜饼上面绘制精美的图案。
As nozzles expel the pearly material, layer by layer, you imagine the elaborate designs this device could make on gingerbread cookies.
根据经济格局，货币流通过快可以降低货币的价值，特别是当它没有产生任何的物质时。
According to the economics pattern, too fast circulation of currency may bring down the value of the money, especially when it is spent without any material production.
可怕的火山灰可能对喷气式发动机造成威胁，过去当发动机遇到类似的火山灰物质时，引擎就会突然停转。
That fine volcanic ash could pose a risk to jet engines, which have cut out in the past after exposure to similar volcanic material.
当这些老鼠被暴露在从其他类型老鼠血液中提出的化学物质时，这些肥胖老鼠吃的变少并体重减轻。
When these mice were exposed to chemicals in the blood of other types of mice, the obese mice ate less and lost weight.
扩散就是，当在某液体中加入某物质时，想算出该物质怎样在周围的液体中散开，专业术语叫做扩散。
Diffusion is when you have a fluid in which you are introducing some substance, and you want to figure out how that thing is going to spread out, the technical term is diffuse, into the ambient fluid.
半筒型：当介质中含有固体棵粒或纤维状物质时，可选用半筒型结构，此种结构具有自洁及剪切功能。
Half tube type: when the medium containing solid particles or fibrous material, can choose a half tube type structure, this structure has the clean and shear function.
一些敏感性体质的人群，在暴露于特定的引起过敏的物质时，会在几分钟至几小时之内发生过敏反应。
In sensitive people, anaphylaxis can occur within minutes or up to several hours after exposure to a specific allergy-causing substance.
他们还发现动物的肌肉中如果富含叫做IIX纤维的物质时，它们可以跑得更远，并且比普通动物能承担更强的负荷。
Moreover, they found, animals whose muscles were full of the so-called IIX fibers were able to run farther and at higher work loads than normal mice could.
科学作家理查德·潘尼克解释道，这是周一(5月9号)他在曼哈顿纽约城市大学的毕业中心，提及宇宙中奇异物质时所说。
"Explains science writer Richard Panek, who spoke about these oddities of our universe on Monday (May 9) at the Graduate Center of the City University of New York (CUNY) here in Manhattan."
科学作家理查德·潘尼克解释道，这是周一(5月9号)他在曼哈顿纽约城市大学的毕业中心，提及宇宙中奇异物质时所说。
Explains science writer Richard Panek, who spoke about these oddities of our universe on Monday (May 9) at the Graduate Center of the City University of New York (CUNY) here in Manhattan.
本文介绍了呈粉粒状态的药物或食品在混合时的特征及混合过程中粉粒泄漏的原因。提出了混合粉状物质时防止泄漏的一些措施。
This paper presents the features and leakage reasons of medicine and food powders in mixing process. It also makes some measures for preventing the powder leakage.
这些发现或许会使科学家们重新思考他们的某些关于慧星来自何处、它们在为地球上的生命提供必不可少的物质时所扮演的角色等推测。
The findings may lead scientists to rethink some of their theories about where comets come from and their role in providing some of the essential ingredients for life on Earth.
有一段时间，人们相信当接触到有毒物质时，那些珍贵的金属是会变黑的，所以日本的皇室的试菜仆人很有可能因为这样子虚乌有的理论而丧生。
There was a time when it was believed precious metals would turn black when in contact with certain poisons. Japan's royalty may have lost some of its food tasters to this myth.
石英等硅酸盐向下漂移，在到达地核时与密度更大的物质混合。
Silicates such as mineral quartz drifted downward and mixed with denser materials as they reached Earth's core.
捐赠的牛奶可能是罪魁祸首：最近对老鼠的实验室研究表明，给老鼠喂食酪蛋白（一种牛奶蛋白）时，短暂接触过黄曲霉毒素物质的老鼠容易患肝癌。
The donated milk was probably to blame: recent laboratory research on rats has shown that rats briefly exposed to the substances aflatoxin tend to develop liver cancer when fed casein, a milk protein.
当卵子受精时，这些物质变得活跃起来，并可能控制与它们相互作用的基因的行为。
When the egg is fertilized, the substances become active and, presumably, govern the behavior of the genes they interact with.
当一个大型天体撞击行星或月球时，物质会被抛射出去，从而在行星上形成一个洞，造成局部质量不足的现象。
When a large body strikes a planet or moon, material is ejected, thereby creating a hole in the planet and a local deficit of mass.
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