二金属的

It includes the following steps: extract trivalent iron ion and divalent iron ion in water phase through organic extractant, get predecessor of; absterge it with secondary distilled water for2-3 times and get pure load metal predecessor of organic phase; mix organic phase of Mg2 and Fe3 with mol rate of 1:2 and introduce them into autoclave, add distilled water according to the rate of 3:1 or 4:1 of organic phase and water phase and airproof it, and then mix it fiercely, stripping with hydrothermal method at temperature between 200 degree C and 300 degree C and make them react for 2.5 hours; cool it to the room temperature under natural condition, separate liquid and centrifugalize it, absterge it with absolute alcohol for 2-3 times and dry it at temperature of 50 degree C for 30-180 minutes, then get product of magnesium ferrite.

包括如下步骤：通过有机萃取剂来萃取水相中的三价铁离子和二价镁离子，制得有机相前驱物；用二次蒸馏水洗涤2-3次，获得纯净的负载金属有机相前驱物；按照Mg 2 和Fe 3 摩尔比1∶2将有机相混合均匀后引入高压釜中，按照有机相与水相的比例为3∶1或4∶1加入蒸馏水，密封后，对溶液进行强力搅拌，水热反萃的温度在200-300℃之间反应2.5小时；自然冷却至室温，分液，离心分离，用无水乙醇洗涤2-3次，在50℃下干燥30-180分钟，得铁酸镁产品。

A run flat tire wheel assembly having a run flat support member formed by a ring-shaped metal shell and rubbery elastic members in an inside cavity of a tire/rim, wherein the rubbery elastic member comprises a rubber composition including 100 parts by weight of a diene-based rubber and 0.1 to 5 parts by weight of cobalt acetyl acetonate and/or, as a reinforcing filler, 40 to 90 parts by weight of carbon black/silica in a ratio of 10/1 to 1/2 and 1 to 20% by weight based upon the weight of the silica, of a silane coupling agent, whereby the bondability between the ring-shaped metal shell and rubbery elastic members is improved.

一种轮胎车轮组装体，它是在轮胎/轮辋的内空洞部具有由环状金属壳和橡胶状弹性体形成的漏气保用支撑体的漏气保用轮胎车轮组装体，其中通过由下述的橡胶组合物来构成上述橡胶状弹性体，改良环状金属壳与橡胶状弹性体的粘结性，所述橡胶组合物含有：100重量份的二烯烃类橡胶；以及0.1～5重量份的乙酰基丙酮酸钴、及/或作为增强性填充剂，40～90重量份的以10/1～1/2的比例配合的炭黑/硅石，和相对于上述的硅石重量，1～20重量％的硅烷偶联剂。

Ytterbium metal, ytterbium diiodide, samarium diiodide promoted organic reaction and their applications in organic synthesis;;bis carbonate in organic synthesis

中文题名金属镱，二碘化镱和二碘化钐促进的有机反应在有机合成中的应用；双碳酸酯在有机合成中的应用

This paper studied two new processes for catalytic synthesis of decabromodiphenyl ether which were carried out distinguishingly by brominating diphenyl oxide with bromine and bromine chloride in the presence of a novel metal catalyst.

本文研究了采用新型金属型催化剂催化合成十溴二苯醚的溴素法和氯化溴法两种新工艺；利用均匀实验设计和单纯形优化试验技术对两种新工艺的工艺条件进行了优化研究，分别确定了两种工艺路线的最佳工艺条件；通过筛选，确定了一种十溴二苯醚的精制新工艺。

The formyl-2.2-bisferrocenyl-propane was synthesized by formylation reaction of 2.2-bisferrocenyl-propane with DMF in the presence of POCl3 in CHCl3 at (55±2)℃ in high yield and conversion, the diformyl-bisferrocenyl-propane was also obtained simultaneously in low yield.

随着二茂铁化学基础理论的发展及二茂铁衍生物的大量合成，人们也逐步发现了它们在许多领域的应用前景[1]，尤其是作为燃速催化剂，具有比金属氧化物更高的燃速催化效果。

The formyl-2.2-bisferrocenyl-propane was synthesized by formylation reaction of 2.2-bisferrocenyl-propane with DMF in the presence of POCl3 in CHCl3 at (55±2)℃ in high yield and conversion, the diformyl-bisferrocenyl-propane was also obtained simultaneously in low yield.

随著二茂铁化学基础理论的发展及二茂铁衍生物的大量合成，人们也逐步发现了它们在许多领域的应用前景[1]，尤其是作为燃速催化剂，具有比金属氧化物更高的燃速催化效果。

An ingestible mollusc poison contains a simple metal compound, an activity enhancing additive such as ethylene diamine disuccinic acid and derivatives thereof, and a carrier material edible to molluscs.

一种可吞食的软体动物毒药，它含有简单金属化合物，增强活性的添加剂诸如乙二胺二琥珀酸及其衍生物，和软体动物可食用的载体材料。

In this study aldylencdithiomethylene Malonic acid acts as the main coordination agents and compound iron ion have been synthesized by the means of solution, As a result ,the 1D polymer is obtained.

本论文采用常规的溶液合成方法，首先设计合成了一个以含有二硫缩烯酮结构的丙二酸类配体和过渡金属铁离子的单核配合物，再以此单核配合物作为配体设计合成了三个异多核配合物和配位聚合物。

The structure of the compound 〓(1) consists of a pentanuclear molecule which is center-symmetric. One W atom is coordinated by four S atoms and two Cu atom. As expected, the Fe atoms are sandwiched between two staggered pentadiene rings. The most interesting aspect of the structure is that Fe-C-P-Cu-P-Cconstitutes a distorted hexagon and Fe-Cu-W-Cu-Fe is nearly in a line.

结构是以W原子为对称中心含有五个金属原子的线型结构，W原子与四个μ〓-S和两个Cu原子配位；Fe原子在两个戊二烯环中间形成一个三明治夹心结构；Fe〓-C〓-P〓-Cu〓-P〓-C〓-构成扭曲的六边形，由于两边1，1'-双二茂铁配体的作用导致Cu-S键的拉长。

In thesecond chapter, eleven 1,3,4-oxadizoles bearing chiral pyrazolyl moieties(4a-k) andfive triazolotriazines bearing chiral pyrazolyl moieties(5a-e) were obtained from5-[(1"S)-1",2-diacetyl-oxyethyl]-1-phenylpyrazol-3-carboxaldehyde(1) with arylcar-bohydrazide or (5-aryl-1,2,4-triazin-3-yl)hydrazine through an intramolecular1,3-dipolar cycloaddition in the presence of the non-metal oxidant IBD.

其中第二章介绍了以D-葡萄糖为原料制得的5-[(1′S)-1′，2′-二乙酰氧基乙基]-1-苯基吡唑-3-醛(1)分别与芳基甲酰肼、(5-取代苯基-1，2，4-三嗪-3-基)肼反应，在无金属氧化剂—IBD引发下，发生分子内1，3-偶极环加成，采用&一锅煮&法合成了11种含手性吡唑基的1，3，4-噁二唑类化合物(4a-k)和5种含手性吡唑基的三唑并三嗪类化合物(5a-e)。

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。