钼

The epoxidation of propylene to propylene oxide, using cumene hydroperoxide as oxidant, molybdenum-glycol complex as catalyst and ethanol as solvent, has been investigated.

研究了以钼－醇配合物为催化剂，过氧化氢异丙苯为环氧化剂，乙醇为溶剂的丙烯一步氧化制环氧丙烷的反应。

Potassium-magnesium fertilizer contained a large number of calcium into the soil, but also play a role in disinfection, will be reduced as a result of continuous cropping and land compaction caused by bacteria, such as increasing the hazards of cotton, also contained potassium magnesium manganese fertilizer can reduce damping-off , and Verticillium wilt incidence, Mo can enhance the ability of cotton resistance to Verticillium wilt; and management of salinity through the potassium-magnesium fertilizer to improve the ecological balance of the soil environment, absorption of nutrients and more robust plants, their resistance to strong and difficult illness.

钾镁肥中所含的大量钙元素进入土壤后，也起到消毒作用，会减少由于重茬和土地板结等造成病菌增多对棉花的危害，同样钾镁肥中所含的锰可减少立枯病、黄萎病和枯萎病的发生，钼还能增强棉株抗黄萎病能力；而且钾镁肥通过治理盐碱，改善土壤生态平衡环境，吸收的养分多，植株健壮，本身抗逆性就强，不易生病。

This paper derives the expression of the diffusivity of molybdenum from diffusion flow.

根据空位机制，从扩散流量导出钼的扩散系数的表达式。

A catalyst for preparing propylene by dismutation reaction of the gas mixture containing ethylene and butylene is composed of the active components (5-30%) including tungsten oxide, molybdenum oxide and rhenium oxide and the carrier (more than 50 wt.%) which may be molecular sieve of Silicate-2,H, beta, SAPO, ZSM, or MCM type.

一种以含乙烯和丁烯的混合气歧化制丙烯催化剂，组成为ABC/D，活性组份总的重量担载量为5－30％；其中A为钨的氧化物，B为钼的氧化物；C为铼的氧化物；D为混合物载体并且主要为分子筛(重量含量大于等于50％)，包括Silicate－2，Y，Hβ，SAPO系列，ZSM系列，和MCM系列分子筛。

It can accurately record the images of the soft tissue with different penetrability. Especially, it is able to catch small "sand-shaped" calcified focus which is of segment significance in the mammary gland duct. This technology, combined with directional piercing cytology inspection, can accurately determine the confinement of the breast lump, and detect all breast tubercles.

钼钯摄片能精细地记录下不同穿透能力的软组织留下的影像，特别是能捕捉到对乳腺导管内具有重要着段意义的微小泥沙样的钙化病灶，结合定位刺穿细胞学检查，则能高准确地确定乳房肿块位置的限制，能发现直径在一毫米的乳房结节。

The former is to prepare polymolybdates coordinated' directly by organic ligands using Na2MoO4 and MoO3 precursors; The latter plays emphasis on exploiting a simple and effective routine to synthesize Keggin polytungstates in which the transition metal or Si acts as the heteratom by reaction precursor Na2WO4.We have synthesized a 4,4'-bipyridine bridging dumbbell-like polymolybdates a metatungs...

前者主要是制备有机配体键合的多金属钼酸盐；后者重点是探索出一个简易、有效的合成过渡金属或主族元素硅作杂原子的Keggin多金属钨酸盐的方法，然后通过变换过渡金属或有机配体的种类探讨对产物结构的影响，再对所得化合物的结构和组成通过物理测试手段进行表征，同时研究其在光、电、磁等方面的性质。

MoSi_2 is one of high temperature electrothermal materials with excellent performance which is appling widely.

二硅化钼是一种广泛应用的性能优异的高温电热材料。

Companies are professional development, production sales silica electrothermal components, high-temperature experimental furnace, tungsten and molybdenum products, high-tech enterprises.

公司是专业研制，生产销售二氧化硅电热元件，高温实验电炉，钨钼制品的高新技术企业。

To the Xinhuan Molybdenum Industry Company Ventilation system present situation and the transformation plan,the transformation principle carry on the detailed narration,Utilizes in the independent wind bridge solution encompassment mine ventilation of mine work the difficult problem.

对新华钼业公司通风系统的现状及改造方案、改造原则进行详细叙述，运用独立风桥解决围绕矿山井下通风工作中的难题。

The potential-pH equilibrium diagram of three kinds of system had been figured according to the data in literatures,the transformation of different valent state ions had been discussed.

根据已有的电化学数据，绘制了铝钒钼水体系的电位-pH图，并探讨了不同电位下，体系中不同价态离子间的相互转化。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐