查询词典 monovalent

The invention relates to a method for making oligomeric isocyanates by reacting diisocyanates in the presence of a catalyst, wherein the catalyst comprises a saline compound prepared from an anion selected from 1,2,3- or 1,2,4-triazole, a substituted species of 1,2,3- or 1,2,4-triazole and carbocyclically and/or heterocyclically annellated species of 1,2,3- or 1,2,4-triazole and the cation selected from an alkali metal, alkaline-earth metal and/or monovalent ammonium cation and/or phosphonium cation of formula (5), wherein the E, R1, R2, R3, R4 are as defined in the descriotion.

本发明涉及一种制备低聚异氰酸酯的方法，包括二异氰酸酯在催化剂的存在下进行反应，其中所述催化剂由盐化合物组成，该盐化合物由选自1，2，3-或1，2，4-三唑、1，2，3-或1，2，4-三唑的取代系列者、1，2，4-三唑的碳环稠合系列者、1，2，3-或1，2，4-三唑的杂环稠合系列者的化合物及其混合物的阴离子和选自碱金属、碱土金属和/或通式(5)的一价铵阳离子和/或磷友衾胱拥难衾胱又票福其中E、R 1 、R 2 、R 3 和R 4 如说明书中所定义。

In congener website, our advertisement is monovalent originally with respect to on the high side a bit.

在同类网站里，我们的广告单价原本就偏高一点。

Metallic ion effects on DNA stretching were investigated. It is found that the effects of monovalent and divalent cations were significantly different.

研究了金属离子对DNA拉伸的影响，发现一价金属离子和二价金属离子对DNA的影响有显著的差别。

At the same time, the Yu Liang of president of 10 thousand divisions that attends the meeting also expresses: Now is not all cities, all market appear the phenomenon of get warm again after a cold spell, the house that is low total prices, low monovalent and rigid demand only at present is more active into double ratio.

同时，出席会议的万科总裁郁亮也表示："现在并不是所有城市、所有市场都出现回暖的现象，目前只是低总价、低单价刚性需求的房子成交比较活跃。"

It was worth to note that the HI titer of monovalent vaccine immunized group challenged with the same type reached the peak earlier than that challenged with different type virus, whereas there was no such difference among multivalent vaccine immunized groups. It suggested that NDV immunogenicity among epizootic isolates and vaccine strains were also variable in some extent.

单价免疫组鸡对相同基因型NDV 刺激产生的回忆反应要比对具有不同基因型NDV 刺激产生的时间要早，多价灭活苗免疫组对抗原刺激产生的回忆反应基本相同，说明不同流行株在抗原性上存在一定的差异。

Any of the monovalent metals of group I of the periodic table (lithium or sodium or potassium or rubidium or cesium or francium).

周期表中i族的任何单价金属（锂、钠、钾、铷、铯和钫）。注意，注意力集中

The result showed that the one-valence cationsaccelerate the hydration process of α-hemihydrate gypsum greatly because they improvethe dispersed degree of α-hemihydrate gypsum particles due to the remarkable effect ofincreasing theζpotential; the effects of bivalent and trivalent cations on ζpotentialdecrease in turn, compared with monovalent cations, the effects on both the disperseddegree of α-hemihydrate gypsum particles and the setting time of paste are little.

研究还表明：由于一价阳离子能较大程度地提高石膏浆体的ζ电位，因而有效地提高了石膏颗粒的分散程度，对α半水石膏的水化加速作用很大，而二、三价离子对石膏浆体的ζ电位影响依次减小，对半水石膏颗粒的分散程度和浆体凝结时间的影响均不如一价阳离子作用大。

Health officials point to monovalent vaccines as the key to this recent success.

保健官员指出仅能抵抗某种疾病的疫苗是最近这次成功的关键。

This has led to greater use of monovalent vaccines to protect against either type one or type three polio.

这就导致在预防第一类和第三类脊髓灰质炎的过程中普遍使用单价疫苗。

But Carol Pandak says the monovalent vaccine is not enough in areas with both.

但是Carol Pandak说一阶疫苗对于同时有这两中病毒的地区来说是不够的。

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。