The chemical reductants fail to reduce carbonyl group under ambient conditions.
羰基在一般条件下不易被化学还原剂还原。
In recent years, more and more attention has been paid to the photo-promoted carbonylation under ambient conditions.
近年来，光促进温和条件下的羰基化反应已成为化学工作者研究的热点之一。
Canned products can easily be transported and stored for a longer period of time under ambient conditions in a moderate climate.
罐装产品可易于运输，在气候适中的环境条件下可储藏较长时间。
The surface structure of Polymeric 1 Cyano 3 Phenyl Urea(PCPU) film has been studied by scanning tunnelling microscope (STM) under ambient conditions.
本文利用大气中扫描隧道显微镜对新型有机功能材料腈基-苯基-脲（CPU）的聚合物（PCPU）薄膜进行了研究。
Biocatalysts -enzymes are well known for their ability to carry out chemical reactions with high selectivity and high efficiency under ambient conditions.
生物催化剂——金属酶是在特定的生物环境中，进行其它催化剂无可比拟的高效性、选择性和极度温和反应条件的催化反应。
The present method yields a dough with characteristics that are very similar to yeast leavened dough, but that will not collapse even when stored under ambient conditions for several hours.
本方法 生产的面团的特征非常类似于酵母发面的面团，但是即使在环境条件 下贮存几个小时也不会塌陷。
The test result shotoed that using this cooling method the circulating water can be cooled down to a temperature be-low the ambient temperature under certain conditions.
实验结果表明：该冷却方式在一定的鼓泡条件下，可以将循环水冷却到环境温度之下。
Positioning systems should operate as accurately, quickly and reliably as possible, especially under industrial ambient conditions.
定位系统的性能以准确，快速和可靠为标准，工业环境下的工作更是如此。
Under mild ambient conditions gallium phosphide nanoparticles were employed to carry out the reduction of nitrogen.
在温和条件下，利用磷化镓纳米粒子进行了氮的还原反应，即氮氨转化。
The system combines optimized mono imaging under low or no light conditions with optimized color rendered imaging during high ambient light conditions, with both achieving high quality focus.
系统结合了低光或无光条件下的最优单色成像及高环境光条件下的最优彩色着色成像，二者均可获得高质量的影像清晰度。
The module reduces board space as well as design complexity and enables accurate color and ambient-light sensing under a variety of conditions.
该模块减少了电路板空间以及设计复杂性，使在各种条件下准确的色彩和环境光感应。
There was no obvious difference in total polyamines in grains between two varieties under natural ambient conditions.
在正常空气条件下，籼、粳稻籽粒中的多胺总量不存在显著差异；
There was no obvious difference in total polyamines in grains between two varieties under natural ambient conditions.
在正常空气条件下，籼、粳稻籽粒中的多胺总量不存在显著差异；
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