查询词典 alkaline

UNIS MULTI-PURPOSE CLEANER, DEGREASER is an all purpose alkaline cleaner and degreaser.

洁力牌万能去渍剂是一种万能碱性清洁剂及化油剂。

Of the 4 soil enzymes studied, alkaline phosphatase and dehydrogenase were higher than urase and arylsulfatase in activity.

在所测定的4种土壤酶中，碱性磷酸酶和脱氢酶的活性高於脉酶和芳基硫酸酯酶的活性。

This could be done in practice by using an alkaline CsCl gradient, as the two DNA strands will denature at high pH.

用同样的样品和相同的技术手段即CsCl梯度离心将半保留复制和弥散复制区分开来的方法是将DNA样品变性，然后利用碱性CsCl梯度离心技术对单链DNA进行离心，半保留复制会出现两条带，而若是弥散复制则出现一条带，如下图所示

In all cases, the rate of degradation was found to be higher than the corresponding inorganic chloride yield from the parent compound. Deoxygenation was also found to increase the rate of degradation of the chlorophenols in water while degradation under alkaline condition was lower than at low to neutral pH.

试验结果表明：有机氯辐射降解的速度要比无机氯生成的速度快得多；溶液的去氧也能加快氯代苯酚的降解；在酸性到中性条件下比碱性条件下更利於有机氯裂解。

Late Devonian alkaline intrusives with associated ore mineralization are confined to points of these systems intersection.

晚泥盆世碱性侵入体及其相关的金属矿化作用恰位于这些构造系统的交点上。

The content of dialdehyde starch was determined by spectrophotometry with the color agent alkaline fuchsin-sulfurous acid.

以碱性品红-亚硫酸为显色剂，用分光光度法对双醛淀粉含量的测定条件、灵敏度、回收率进行研究。

In the alkaline region, there is a marked drop in the recovery of diaspore.

碱性条件下，一水硬铝石的回收率急剧下降。

The results showed that, both diene and alkaline nitrogen-containing compounds had negative influence on the aromatization stability of the catalyst.

用小型固定床加压反应器研究了液化石油气（C4 LPG）中的丁烯在纳米ZSM-5型催化剂DLG-1上的低温芳构化反应，重点考察了原料中二烯烃和碱性氮杂质，以及反应温度、压力和C4 LPG进料重量空速条件对催化剂芳构化反应活性及稳定性的影响。

The study mainly aims at the optima composition and suitable technological conditions of stearoylbenzoyl-methane--one of theβ- diketone compounds prepared from methyl stearate and phenyl ethyl ketone under alkaline catalysts.

主要研究采用硬脂酸甲酯和苯乙酮在强碱类催化剂作用下制备β二酮化合物之一的硬脂酰苯甲酰甲烷的最佳配方和适宜的工艺条件。

33 Holstein cows and 29 Tibet-sheep were chosen to study the alkaline phosphatase activity and its enzyme retention in different period of pregnancy with disodium phenyl phosphate method.

方法］采用磷酸苯二钠法，对33头荷斯坦奶牛和29只藏系绵羊不同怀孕期血清碱性磷酸酶活性及其酶保存率进行了测定。

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