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与 化合 相关的网络例句 [注:此内容来源于网络,仅供参考]

Because be checked finite reason of the person and fictitious those who participate in a person is decision-making, the possibility arises " of bogus of alleged " accept and " to abandon the case of true ", this can change a contract to combine clausal amount to reduce the seriousness of the problem through increasing diversity.

由于被测试人的有限理性以及虚拟参和人的决策,可能产生所谓&纳伪&和&舍真&的情况,这可以通过增加差异化合同组合条款的数量来降低新问题的严重性。

The n-butyl lactate was synthesied by the esterification of lactic acid and n-butyl alcohol in presence of ammonium ferric sulfate dodecahydrate NH4Fe(SO4)212H2O,and the factor influencing on the yield of reaction were discussed.

摘 要:在十二水合硫酸铁铵催化下,由乳酸和正丁醇发生酯化反应合成了乳酸正丁酯。实验考察了该催化剂催化酯化合成乳酸正丁酯的醇酸比、催化剂用量、反应时间、反应温度诸因素对酯化率的影响。

The product offers a perfect solution for the problem of color durableness of mineral coating and makes mineral coating really coexist with nature, really a revolution of coating industry.

改性后的硅酸钾不但具有更为良好的化合性,同时与各种氧化无机色素能良好相容,彻底解决了矿物涂料的色泽问题,使得矿物涂料真正与自然共存,成为涂装行业的一次革命。

We found that under acid condition, selenite radical combined with active hydroxide radical and amino-group of chitooligosaccharides to form chitooligosaccharides - Se compound molecule, the remaining group complex interacted with the negative sodium tripolyphosphate via electrostatical interactation to form nanoparticles with the size about 100nm.

通过透射电镜、粒径分析仪等方法表征,发现壳寡糖-硒纳米颗粒平均粒径为100nm左右,在酸性条件下,亚硒酸根与壳寡糖单元上活性羟基和氨基化合,形成壳寡糖-硒复合分子,剩余的基团与带负电的多聚磷酸钠复凝聚,在4℃下能够稳定保存,25℃以上壳寡糖溶胀而致纳米颗粒发生分解。

We researched on the prepartion of pivotal intermediate 2 and 3 for 1 P-methyl carbapenem antibiotics from intermediate 1, which is subjected to Reformastky reaction, N-alkylation, Dieckmann-type cyclisation, enolization, ester condensation etc. in sequence. The synthesis route of document is optimized by us.

我们研究了1β-甲基碳青霉烯类重要中间体的合成,从中间体1出发经Reformastky反应、水解反应合成出中间体2;经Reformastky反应、烷基化、Dieckmann环合、烯醇化、酯化合成出中间体3,并对其中各步反应作了优化和探索。

The article adopted the method of orthogonal design using Polyethylene Glycol and Methacrylic Acid to esterify Polythylene-glycol-mono Methacrylate, then using PMA, MAA and Methacrylic Acid Sulfonic Sodium as raw material to synthesize Polycarboxylic type water-reducer.

用正交实验法研究了聚乙二醇和甲基丙烯酸酯化合成聚乙二醇单甲基丙烯酸酯的合成工艺,以该酯化物与MAA和甲基丙烯酸磺酸钠为原料,在引发剂的作用下合成聚羧酸系减水剂。

The reason why air makes fireburn more intensely was learned only abouttwo hundred years ago, when severalscientists finally proved that oxygen, oneof the gases air contains, can combinewith certain other elements like carbon to release muchheat.

当时某些科学家终于证明,空气中有一种气体叫氧,它能够与其它一些元素化合,从而释放出大量的热。

The reason why air makes fireburn more intensely was learned only abouttwo hundred years ago, when severalscientists finally proved that oxygen, oneof the gases air contains, can combinewith certain other elements like carbon to release muchheat.

参考译文:空气为什么能使火燃烧得更旺?直到大约2 0 0 年前才弄清其原因。当时某些科学家终于证明,空气中有一种气体叫氧,它能够与其它一些元素化合,从而释放出大量的热。

Molecular sieve and solid acid of SO~(2-)_4/ZrO_2, ionic liquids, and rare earth perfluoro alkyl sulfosalts to formylate alkylbenzene by carbon monoxide to synthesize alkylbenzaldehyde was introduced.

介绍HCl-AlCl3、HF-BF3和CF3SO3H-SbF5等B-L复合酸,分子筛和固体酸,离子液体以及稀土全氟烷基磺酸盐作催化剂在烷基苯用CO甲酰化合成相应烷基苯甲醛工艺中的应用进展。

Firstly, Copolymerization of acrylamide and styrene was carried out in a microemulsion system, in which AM aqueous solution was the continue phase and St was the dispersed phase using ST-80 as surfactants respectively, then hydroxamic functions were prepared with hydroxylamine salt at temperatures of from 60℃ to 90℃.

首先以丙烯酰胺水溶液为连续相,以苯乙烯为分散相,ST-80为乳化剂制成微乳液,在15℃~35℃合成丙烯酰胺与苯乙烯的共聚物;然后采用程序控温方式,在60℃~90℃用硫酸羟胺将共聚物羟肟化合成了一种带有苯环结构的嵌段型氧肟酸类聚合物材料。

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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。