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It exhibited a sudden change as the concentration of organic acid over a specific value.

这种变化与在稀溶液中形成的水包有机酸笼合物结构有关。

The catalyst includes: supported Ziegler-Natta catalyst of titanium halide compound and organic electron donor compound supported with MgCl2 alcoholate carrier; aluminoxane prepared with trialkyl aluminum and water; and one kind of organic electron donor, such as organosilicon compound R2Si(OCH3)2, where R is phenyl, isopropyl, isobutyl or cyclopentyl.

该催化剂包括,a一种负载型的Ziegler-Natta催化剂,即将卤钛化合物和有机给电子体化合物负载在氯化镁醇合物载体上得到的固体催化剂,b一种通过三烷基铝与水反应而制备得到的铝氧烷和c一种有机电子给体,如有机硅化合物R 2 Si(OCH 3 ) 2 ,其中R为苯基、异丙基、异丁基或环戊基。

In part Ⅰ, the aquous direct aldol reactions catalyzed by small organo-catalyst—imidazolc were studied in detailed.

本文第一部分详细研究了咪唑为有机小分了催化剂催化水相直接羟醛缩合反应。

The action mechanism that (NaPO3)6 depresses almandine is two sides: one is that (NaPO3)6 is chemical adsorbed firmly on the surface of almandine and lead to almandine strong hydrophilic. The other is that (NaPO3)6 selectively dissolves Ca(superscript 2+) on almandine surface and makes the surface cations act with the collector lessening.

NaPO36对石榴石的抑制作用存在两种机理:其一,(NaPO3)6与石榴石表面Fe(上标 2+)发生化学键合导致其牢固吸附而使石榴石表面强烈亲水:其二,(NaPO3)6选择性溶解石榴石表面Ca(上标 2+)导致石榴石与捕收剂作用的表面活性质点减少。

Shake amaretto and orange juice with ice and strain into an ice-filled glass, then top up with lemonade.

加冰摇合杏仁和橘子汁滤入加满冰块的杯子,最后捣碎适量柠檬水

Place 1 teaspoon of sugar, 1 drop of Angostura bitters, a large pinch of mint, and a splash of soda water in an old-fashioned glass.

在混合杯里混合1茶匙糖,1滴奥古斯图拉苦酒,一片薄荷合少量苏打水。

Annual discharge from melting ice into the Arctic Ocean rose about 10 percent, or 460 cubic kilometers.

冰川融化流入北冰洋的水年度流量增加了约10%,合460立方千米。

My father had a 7 horsepower Scott Atwater motor that he kept with Scotty.

父亲和苏格兰人合买了一个七马力的斯科特水用马达。

To feel just like fish in water, to be in one's element, very satisfied and pleased.

象鱼得到水一样,比喻有所凭借。也比喻得到跟自己十分投合的人或对自己很合适的环境。

This study mainly from the cement-based self-leveling mortar work, and mechanical properties to consider, analysis superplasticizer, aggregate, mineral admixture, can be dispersed polymer powder to its various properties of addressing the mobility and Stability, as early as strong moderate condensate, the contraction and expansion, superplasticizer incorporation and mortar expansion of the loss of contradictions, and optimize the mix finalization of the scope and mortar flow analysis of factors affecting the performance.

本实验主要从水泥基自流平砂浆的工作性,力学性能考虑,分析高效减水剂、集料、矿物掺合料、可再分散聚合物粉末对其各种性能的影响;解决大流动性和稳定性,早强和缓凝,收缩和膨胀,高效减水剂的掺入和砂浆扩展度经时损失的矛盾,最后确定优化配合比范围;并对砂浆流变性能影响因素进行分析。

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This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。

There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.

双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。