查询词典 nitrogen

In an agitated reactor, the polymer was dissolved in cyclohexane at 60-70 °C and purged with nitrogen.

在一个反应釜，聚合物溶解于环己烷，在60-70 ° C和无机氮。

For finding a suitable sorbent for a-methylstyrene in the process of producing phenol from cymene, the pore structure and pore size distribution of four coconut-shell activated carbon were analyzed and characterized by different methods (BET, t-plot and BJH) according to their nitrogen adsorption isotherms.

为了筛选在异丙苯法生产苯酚工艺中吸附分离α-甲基苯乙烯的吸附剂，测定了4种椰壳活性炭材料的氮吸附等温线，并用BET模型、t图法、BJH理论等方法对孔结构进行分析与表征。

Substitution of the number 8 carbon and the number 9 nitrogen also destroys activity as a cytokinin.

取代第8位碳和第9位氮，也破坏作为细胞激动素的活性。

To study the sedimentation coefficient of ribosomal RNA from Saccharomyces cerevisiae,the enzymolysis method and the liquid nitrogen grounding method combined with Trizol Reagent were used for total RNA extraction from Saccharomyces cerevisiae.RNA extraction in Mus musculus Kunming and Danio rerio,was also involved in,which was set as control.

为研究酿酒酵母菌核糖体RNA的沉降系数，用酶解法和液氮研磨法裂解酿酒酵母菌的细胞壁，Trizol Reagent提取其总RNA，同时提取小白鼠和斑马鱼的总RNA进行比较。

After deaeration of the 3.5% NaCl solution with nitrogen,only Ψc decreased markedly in comparison with that without deaeration at the same flow velocity.

结果表明：在35% NaCl流动溶液中，随着流速的增大，仅碳钢腐蚀的阴极反应作用系数急剧增大，其腐蚀率也随之增大，流体力学因素主要加速了碳钢腐蚀的阴极反应过程。

In deamination, the nitrogen-containing amino portion of the molecules is removed.

在脱氨作用中，分子含氨基的部分被移去。

The resultant oils are allowed to decant for the appropriate time in steel vats while covered by nitrogen blankets.

这也就确保了成品油所含的营养健康成分能最大程度的保留。成品油则会在适当的时间里被转移到由氮气层隔离的铁质容器中。

The deep denitrogenation experiments of 125 heats were carried out to reduce the nitrogen content below 15×10^(-6) during decarbonization process.

为了同时把有害元素ωN）降至15×10^(-6以下，进行了125炉次的深脱氮工艺试验。

Radioactive decay studies have found a kinds of elements can be α or β decay and the decay into another element, while the α-decay product of -α-rays became one of the deep structure of the material means of .1911, the Rutherford and others bombarded atoms with α-rays observed wide-angle deflection to determine the nuclear structure of atoms and nuclei was first proposed the term .1919 year, Rutherford and others have also found that with α-ray bombardment of nitrogen will release the nuclear protons, this is the first time Artificial realization of a nuclear reaction, after the bombardment of nuclei with the radiation caused by nuclear reaction method to become the primary means of research in nuclear.

放射性衰变研究发现了一种元素可以通过α衰变或β衰变而变成另外一种元素，而α衰变的产物——α射线又成了人们探讨物质深层结构的手段。1911年，卢瑟福等人用α射线轰击原子、观察到大角度偏折，从而确定了原子的有核结构，并首次提出原子核这一名词。1919年，卢瑟福等人又发现用α射线轰击氮核会放出质子，这是首次用人工实现的核反应，以后用射线轰击原子核来引起核反应的方法逐渐成为研究原子核的主要手段。

These same researchers also found that a blood urea nitrogen level greater than 23 milligrams per deciliter lowers the sensitivity and specificity of the "delta-delta" calculation.

这些研究者们也同时发现血尿素氮水平超过8.28mmol/L的病人其"△-△"的敏感性和特异性较低。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷