查询词典 pre-existence

Influence of reaction temperature, time, NaOH content and pre-marination on deacetylation in the preparation of chitosan from chitin is studied.

研究了甲壳质分步脱乙酰制壳聚糖反应的温度、时间、NaOH含量和预浸泡时间对脱乙酰度的影响。

Have you ever wondered why you got that Pre-Approval from the car dealership in the mail?

你想知道为什么你认为前批准的汽车经销店在邮件？

RNA editase transforms or modifies the nucleotide of pre-RNA by deaminization, and hydrolytic deaminize C6 amino group of the adenosine at the specific RNA site, changing adenosine to inosine or changing cytosine to uracil,but inosine was recognized as guanine in mRNA.

RNA编辑酶以脱氨方式使得RNA特异位点的腺嘌呤脱氨转变为次黄嘌呤，或者是特异位点的胞嘧啶变为尿嘧啶，而次黄嘌呤在碱基配对时被识别为鸟嘌呤。

Today' s theme is pre-eminently a theme with which we as deans are occupied and should be occupied.

今天论坛的主题非常重要，身为法学院院长，我们应当并且正在对此问题给予高度的关注。

A clear and trimmed body with pre-cut decals is included so you can do your own custom paint job.

一个明确的和精简机构，与前削减贴花包括在内，以便你可以做您自己定制的油漆工作。

It was the decapitation of the country's pre-war elite.

这是对于一个国家战前精英的屠杀。

Chrome amounts to a declaration of war—albeit a pre-emptive one, in Google's mind—against Microsoft.

Chrome 的问世，意味着同 Microsoft 的对抗，虽然，在 Google 的计划中，这只是一个开始。

A meso mechanical analysis has been conducted on a hot-rolling steel of 16MnR toinvestigate the effect of the elongated pre-damage voids on the subsequent damage evolution and fracture process under the maximum normal stresses with various directions. The analysis results show that, when the elongated voids due to the decohesion of the inclusions from base material are loaded subsequently, the local high stress and strain concentration around the voids and their interactions promote the growth of voids.

对热轧钢中的长条形初始损伤孔洞承受不同方向最大正应力时的后续损伤演化和断裂过程的细观有限元力学分析研究表明：热轧钢中的长条形夹杂物与基体剥离后形成的长条形孔洞在后续加载中，其周围产生的局部高应力应变集中及其相互作用，使孔洞长大。

Treatment with lamivudine is effective in preventing hepatic decompensation in most patients pre-transplant.

拉米夫丁治疗对于移植前的大多数患者来说对阻止肝代谢失常是有效果的。

Deep fry the frozen or defrosted chicken stick in pre-heated oil at about 180℃ for 4 to5 minutes until golden brown.

将冷冻或适度解冻的香菇鸡肉棒放入预热至180摄氏度的油中炸，适时翻动产品，使其受热均匀，炸约4至5分钟表面呈金黄色即可。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。