查询词典 precipitation

Precipitation of indeformable or deformable reinforcing filler into thevinyl-terminatied polydimethysiloxaneprior to or after endlinkinginto silicon networks were observed by the hydrolysis of siloxane compoundas well as the comparison between their reinforcing effects.

本文通过硅氧烷水解的途径对乙烯基封端的聚二甲基硅氧烷在交联前后导入不变形或可变形的补强填充剂的新方法进行了研究，并此较了它们的补强性能。

Excellent flexibility (flexibility factor is 22.50) HDPE could be inflexed a little, free from bad influence of uneven ground precipitation.

柔韧性好有一定的挠曲度（22.50）。

The ore minerals consist mainly of pitchblende UO(superscript x, x=2.16~2.70. The pitchblende is mainly intergrown intimately with diagenetic minerals, parts of which is intergrown with authigenic kaolinite, while another parts of which is intergrown or juxtaposed with pyrite of ore-stage, indicating simultaneous precipitation.

镜下观察结果显示，铀矿物主要为沥青铀矿UO(下标 x， x=2.16~2.70，部分与自生高岭石共生，部分则紧密地与矿化阶段黄铁矿共生或交互生长，表明同时沉淀。

Soil erosion ; maximum precipitation erosion slope ; grass belt interplanting

土壤侵蚀；坡度极限；草带间作

It is shown that GPS/PWV data with an time interval of 30 minutes reflected spatial and temporal changes of atmospheric vapor intuitionally and duly, the features of GPS/PWV changes had corresponding relations with the precipitation, the divergence of GPS/PWV showed the distributions of the convergence and divergence of atmospheric vapor.

分析还表明：每30min一次的GPS/Pwv资料能直观地、及时地反映大气中水汽的时间变化和空间变化；GPS/Pwv资料随时间的演变特征与降水有较好的对应关系；GPS/Pwv的散度资料可以反映大气中水汽的辐合、辐散分布情况。

The worst drought in Beijing continues in these years, since 2006, the corn production method shifted from irrigable cultivation to rained dry field cultivation, which brought the changefully items during the breeding period by taking advantage of natural precipitation, plus the unsuitable way of corn selection, these items will cause the reduction production of corn.

近年来北京地区持续干旱，自2006年起玉米生产开始由灌溉栽培转向雨养旱作生产，随之带来利用自然降水播种导致播种时期的不确定性，品种选择不当将导致严重减产，品质大幅下降。

Supported solid bases and metal oxide catalysts were prepared successfully by isochoric impregnation and the co-precipitation method, and were used for synthesis of biodiesel from transesterification of rapeseed oil and methanol. The high active solid base catalysts: KF/Al2O3, ZnO/La2O3 and La2O3 were found in this paper.

本文用等体积浸渍法和共沉淀法制备了负载型和金属氧化物型固体碱催化剂，并应用于催化菜籽油与甲醇酯交换合成生物柴油的反应，筛选出了高活性的KF/Al2O3，ZnO/La2O3和La2O3三种固体碱催化剂。

The precipitation behavior of the V-4Cr-4Ti alloy and the hardening by aging were studied by isochronally annealing and aging heat treatments in vacuum.

采用真空退火和真空时效处理，研究了V-4Cr-4Ti合金的沉淀析出特性和时效强化效果。

When pH of reaction was 5. 0, which closed to isoelectric point of protein, it was favorable to precipitation.

体系的pH值在5.0左右，接近蛋白质等电点时，有利于沉淀作用的发生。

The isoelectric precipitation was related to acid medium.

等电点沉淀与酸介质密切相关。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。