Although impure liquid hydrazine doesn't explode, it can certainly boil vigorously and spray hot and chemically toxic liquid around, which can endanger the safety of people nearby.

不纯的液肼虽然不会爆炸，但肯定会剧烈沸腾，并向周围喷出炽热的毒性液体，危及附近人员的安全。

Our atmosphere would flip, chemically speaking, from a heavy concentration of oxygen to CO2.

从角度来说，我们的大气层会从高浓度的氧气变成二氧碳。

They collected the trapped flies and then chemically analyzed their eggs.

他们将捕获的苍蝇收集起来，然后方法分析蝇卵。

Others lose heart at the first signs of unusual difficulties. When exposed to stress, in whatever form, we react both chemically and physically.

而另一些人一遇到困难的迹象就灰心丧气。 当暴露压力下时，不论是何种任何形式，我们的身体都会做出心理和生理上的反应。

The hunt is therefore on for a non-toxic, non-controversial, chemically stable red.

因此人们正寻找一种无毒、无争议且性定的红色。

The salivary protein can be chemically synthesized; stored as a powder; and dissolved in water.

唾液蛋白质可以合成；以粉末形式储存；并溶于水。

" It's the first time we can actually chemically confirm it."

“这是我们第一次真正能从上确认它。”

True, it's chemically inert and would allow more light to pass through.

没错，其具有惰性能让更多光穿过。

Half a dozen start-ups are working on technology to chemically recycle these fibers.

数家创业公司正新技术，方式回收这类纤维。

In a very actual respect chemically, electromagnetically, extensions of any given self permeate your universe.

、电磁的非常真实的面向上，任何既定自体的延伸都渗透你的宇宙。

To remedy the situation, the water must be chemically treated.

【remedy】为了改善这种情况，水必须进行处理。

As any high-school chemist knows, lithium and sodium are chemically similar. Sodium ions (sodium atoms with an electron missing, which makes them positively charged) are, however, five times the size of lithium ions.

任何一个高中的家都知道，锂和钠的性质很相似。然而，钠离子—缺少一个电子的前提下，钠原子带正电—只有锂离子的五分之一大小。

Many communicate chemically, both through the air and via their roots—warning each other, for example, of the arrival of herbivorous insects in order to co-ordinate their responses to these pests.

许多植物通过空气和树根进行交流——例如，相互警告食草昆虫的到来，以便协调它们对这些害虫的反应。

The work is practicable since they chemically modified these amino acids and peptides at their ends so they form a super-cooled liquid before decomposition, according to the study published on Saturday in the journal Science Advances.

根据周六表《科进展》杂志上的这项究，这项工作是可行的，因为它们对这些氨基酸和肽的末端进行了修饰，以便分解前形成过冷的液体。

But researchers say this newly discovered compound is structurally and chemically unique from that other mycin and from all other antibiotics — meaning it could launch a whole new class of drugs.

但究人员说，这种新现的合物的结构和成分跟其它霉菌素和抗生素不同，这意味着一种全新类型的药物会诞生。

The structures of the electron shells surrounding the nuclei of their atoms are complicated, meaning they are chemically versatile. This is what makes them good catalysts.

它们原子核周围的电子壳层的结构很复杂，这意味着它们具有多种途。这就是它们成为良好催剂的原因。

Like, how a queen ant's nutrition and pheromones can chemically alter an ant embryo to either produce a soldier or worker ant based on what's needed for the colony.

比如，蚁后的营养和信息素是如何通过作改变蚂蚁胚胎，使其根据蚁群的需要产生兵蚁或工蚁。

Someday, we hope to not only find earth-like planets, but to detect their atmospheres, chemically analyze their atmospheres, and see if there are signatures of, of life.

某一天，我们希望不仅是现类地行星，还能探测这些行星的大气，分析它们的大气成份。再看看那里有没有生命的迹象。

Sustainable aviation fuel comes from plant oil mainly like soybean or palm oil, or sugar from corn, fermented into alcohol and then chemically converted into fuel.

可持续的航空燃料主要来自植物油，如大豆或棕榈油，或来自玉米的糖分酵成酒精，然后转为燃料。

Then hope a river, glacier, or moving continent doesn't sweep you away, and stay clear of wind and rain 'til your skeleton is chemically transformed into stone.

然后希望河流、冰川或移动的大陆不会把你冲走，并远离风雨，直到你的直到你的骨骼通过变转成石头。