查询词典 chlorides

Flower saying that "grass carnation肚量iron, can poison gas cleaning Light", it has absorbed the ability of sulfur dioxide and chlorides, where a similar place gas can carnation cultivation.

花谚说，%26quot；草石竹铁肚量，能把毒气打扫光%26quot；，它有吸收二氧化硫和氯化物的本领，凡有类似气体的地方，均可以种植石竹。

A new mathod is studied for the synthesis of diketone s with the crosscoupling reaction of organotin reagents and diacyl chlorides catalyzed by cellulose oxyphosphine palladium complex compound.

本文首次采用纤维素氧膦-钯络合物为催化剂，以丙酮为溶剂，有机锡试剂与二元酰氯偶联合成二元酮化物。

So light rareearths chlorides would be able to intercalate into graphite under a suitable reactioncondition.

由此认为，在适宜的反应条件下，可实现轻稀土氯化物对石墨层间的插入。

The preparation and characterization of mono-and bispenta-phenylcyclopentadienyl lutetium chlorides were reported.

本文介绍高空间位阻的五苯基环戊二烯基氯化镥的合成及鉴定。

Most nonmetal chlorides are decomposed by water.

大多数非金属氯化物都可以被水分解。

In the study of the Heck reaction in the homogeneous system, a phosphonium salt, PPh_4Br, was used as co-catalyst in the pailadacycle catalyst system for the Heck reaction of the aryl chlorides.

另外，也研究了钴络合物催化卤代烷烃的Heck羰基化反应。

This thesis consists of four parts as follows: Part I: ReviewThe purpose of the present review is to summarize the organic chemistry of polyvalent iodine compounds regarded as Chlorides, Fluorides, Oxidize reagents in the field of organic synthesis, especially focus on their synthetic application and space structure, there are lots of reaction examples to illustrate the incomparable merits of organic polyvalent iodine compounds in the synthesis of some drugs and natural products.

本论文由以下四部分组成：第一部分：文献综述本部分比较全面地回顾了有机含碘化合物作为氯化、氟化、氧化试剂在精细有机合成中的应用，主要针对含碘试剂的合成及其结构做了比较详细的综述，并且列举了大量反应实例引证了这种类型试剂在药物及天然产物合成方面具备的优势。

This has been due to the detection of certain chemicals called 3-MCPD (3-monochloropropane-1,2-diol) and 1,3-DCP (1,3-dichloro-2 propanol), which may be formed by the reaction of chlorides with lipids during cooking.

这是因为HVP中检测出两种叫3-MCPD 和1，3-DCP的化学物质，它们是在HVP生产中脂类与氯化物化学反应形成的。

When adding lanthanum(LaCl3)and mixtures of REs chlorides to the soil,NH+4-N and(NO-2+NO-3)-N concentrations reduced significantly in the maize rhizosphere and bulk soil,and this reduction increased with the increasing amount of REapplication.

无论是氯化镧或混合氯化稀土，随施用剂量增加，根际与非根际土壤铵态N、硝态和亚硝态N量均显著降低；根际土壤铵态N、硝态和亚硝态N量高于非根际的差异显著削弱。

By reactions of p-hydroxybenzoic acid with the chlorides of adipic acid, suberic acid, sebacic acid and 1,10-decanedicarboxylic acid respectively four new diacids, and then their dich-lorides, were obtained. The four diacids were found to be thermotropic.

将己二酸、辛二酸、癸二酸、1，10-十二烷基羧酸经酰氯化后，分别与对羟基苯甲酸合成，得到了四种二元羧酸以及与其相应的四种二元酰氯，并发现前者具有热致液晶性。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。