查询词典 ionic

The effects of sodium nitroprusside (SNP, an exogenous nitric oxide donor) on photosynthesis and ionic contents in tomato Lycopersicon esculentum Mill .

在100 mmol/L NaCl胁迫下，研究了外源一氧化氮供体硝普钠处理对番茄幼苗光合作用和离子含量的影响。

The Mannich-type addition of O , O'-dialky phosphite to 2-fluorobenzaldehyde and 4-trifluoro- methylaniline was carried out in one pot by means of adopting three kinds of green synthetic methods, microwave irradiation, ionic liquid and free solvent-catalyst condition. According to the results, the synthetic method was optimized without catalyst and solvent at 100 ℃ and 15 min, and it was economic, convenient, high yields, timesaving and environment friendly.

采用微波辐射﹑离子液体和无溶剂无催化剂三种绿色合成方法，分别进行了以亚磷酸酯、邻氟苯甲醛和对三氟甲基苯胺为原料的类Mannich一锅法合成反应研究，经合成筛选，优选出控制反应温度100 ℃、无溶剂和无催化剂加热反应15 min的合成方法，实验结果表明该方法经济、简便、产率高、反应时间短及对环境友好。

Ionic liquid ; selectivity ; bromation reaction ; methylic imidzaole

离子液体；选择性；溴化反应；甲基咪唑

We ever reported cellulose is in propyl of Xi of ionic liquid 1-- chloric salt of Zun of 3- methylic Mi (the homogeneous phase acetyl in Am ImC L) converts reaction, falling without activator condition, one pace gets the CA of different DS, get acetone but the CDA[12] of dissolve.

我们曾报道了纤维素在离子液体1-烯丙基-3-甲基咪唑氯盐中的均相乙酰化反应，在无催化剂条件下，一步得到不同DS的CA，并得到丙酮可溶的CDA[12]。

MC and HPMC are both non-ionic,and etherified products of cellulose.They have functions such as thickening,emulsionizing,filming,water-maintaining,colloid-protecting,bonding,antienzyming,metabotic indifference and so on.They are applied widely in the fields of building,milkness paint,medcine,PVC,chemical articles,ceramics and agriculture.

甲基纤维素和羟丙基甲基纤维素均属非离子纤维素醚，是纤维素的醚化产品，具有优良的增稠、乳化、成膜、保护胶体、保持水份、粘合、抗酶以及代谢惰性等性能，广泛应用于建筑、乳胶涂料、医药、PVC、日用化学品、陶瓷以及农业生产中。

In a monophase microemulsion where the oil phase was replaced by an ionic liquid, high ortho-selectivity of nitration of phenol can be achieved.

在以离子液体取代庚烷形成的单相微乳液体系中，则可以获得较高的邻位选择性。

In addition, the effects of the types of chiral resolving agents, the concentrations of the chiral resolving agent, apparent pH and ionic strength on chiral separation in NACE were studied.

对手性选择剂的类型及浓度、背景电解质的pH值以及离子强度等因素对分离的影响做了系统的研究，最后确立了9种手性药物的最佳分离条件。

Contains pure silica as orthosilicic acid and Cellfood (a proprietary ionic blend of 78 minerals, 34 enzymes, 17 amino acids, electrolytes and dissolved oxygen).

包含纯二氧化硅作为 orthosilicic 酸和 Cellfood （专有离子结合78矿物质， 34酶， 17种氨基酸，电解质和溶解氧）。

However, it was also a monument to the power of Athens itself; the Parthenon combines the Doric architecture of the Greek mainland with the Ionic style of outlying areas to symbolize a strong, panhellenic league with Athens at its political and cultural forefront.

同时，它也是雅典全盛时期的纪念碑；帕台农融合了希腊本土的多利安式建筑及周边区域的爱奥尼亚式建筑风格，象征一个由雅典政治文化主导的强大泛希腊联盟。

By the inverse microemulsion polymerization,(NH4)2S2O8-Na2SO3 as initiators,with the polymerization systems of the liquid paraffine/Span80-Tween60/AM-H2O-NaAc or the liquid paraffine/Span80-Tween60/AM- DMDAAC-H2O-NaAc, non-ionic PAM and the cationic copolymer P have been synthesized respectively.

采用反相微乳液聚合法，(NH4)2S2O8-Na2SO3为引发剂，液体石蜡/Span80-Tween60/AM-H2O-NaAc和液体石蜡/ Span80-Tween60/AM-DMDAAC-H2O-NaAc为聚合体系，分别制备了PAM和P。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。