不挥发的

A new method to separate azeotropic mixtures was proposed in the paper, that is, vacuum volatilization separation process. It is undertaken in vacuum and the temperature must be controlled under the azeotropic point to avoid forming of azeotrope.

该过程在真空下操作，控制系统温度低于共沸点，使两组分在分离过程中不形成共沸物，而依靠组分间挥发速度及扩散速度的差异，来突破共沸限制，达到分离目的。

If you drop a few drops of real oil onto your blotting paper it will evaporate and leave no mark.

如果你滴几滴真正的精油在吸墨纸上，他们会立刻挥发，不留痕迹。

The presence of REE tetrad effects in apatites and whole rocks of S-type granites has been reported by Sha and Chappell (1999) and Zhao et al.(1999), respectively. The REE tetrad effect in minerals, such as apatite, spessartite, beryl, alkali feldspar and spodumene, from all zones of Altay No. 3 pegmatite has been found remarkable, and the fractionations among isovalent incompatible elements in these minerals are also significant. This paper puts forward that the REE tetrad effect is one of the basic features of peraluminous melts and the origin of REE tetrad effect might be probably related to some processes prior to the formation of pegmatite magma. The immiscibile liquid separation between silicate melt and hydrosaline melt may be responsible for it.

由于阿尔泰3号伟晶岩脉各带磷灰石以及与其共生的石榴石、绿柱石、碱性长石、锂辉石矿物均存在明显的稀土"四重效应"以及相同电价、相似离子半径的不相容元素间存在显著的分异，并结合最近赵振华等(1999)和Sha and Chappell(1999)报道S型花岗岩全岩和单矿物(磷灰石、独居石、长石、黄玉等)均存在稀土"四重效应"这一现象，本文研究提出，稀土"四重效应"是富挥发分过铝质岩浆体系的一个基本特征，其机制既不可能由含稀土的副矿物早期结晶引起残余熔体相中REE含量变化的结果，也不能定性地归因于流体相与熔体相相互作用过程中稀土元素在流体/熔体之间分异的结果，而很可能与伟晶岩岩浆形成之前某些过程密切相关，S型花岗岩岩浆在液相线以上存在硅酸盐熔体与高盐熔体的不混溶液相分离有可能是过铝质岩浆体系产生稀土"四重效应"的主要原因。

Independent of the natural or added incombustible in the coal.0.12 present a dust explosion hazard.All bituminous coals fall into this category.

该计算模式提供了一个独立于煤炭自然特性或煤中附加不可燃成分的有价值数据，已经证明了，若煤粉中挥发份超过0.12，存在爆炸风险。

The attraction of fecal volatile of oriental migratory locust Locusta migratoria manilensis produced in different instars for the aggregation of its nymphs was preliminarily studied,by applying self-made olfactometer and relative installations.

初步研究了东亚飞蝗Locusta migratoria manilensis (Meyen不同龄期蝗虫粪便挥发物对蝗蝻的聚集作用。

The basic reason for oxygen concentration reduction in heavily Sb-doped CZSi was that oxygen solubility decreased when element Sb with larger radius doped degenerately into silicon crystal.

为解释重掺锑硅单晶中氧含量较普通直拉硅低，且随着掺锑量增加，氧含量下降，而重掺硼硅单晶中氧含量并不降低这一实验事实，应用热力学计算，得到重掺锑硅单晶生长时，生成Sb〓O〓的反应不能自发进行，因此不会因Sb〓O〓的大量挥发而使重掺锑硅单晶中氧含量降低。

Tin is not oxidized, involatile, and does not react with the common elements in steel, in steelmaking process, hence the yield of tin approxiates to 100%.

在炼钢过程中锡不被氧化、不易挥发、不与钢中的任何常存元素相互作用生成化合物，因此炼钢过程锡的回收率接近100%。

The samples made by steam distillation do not contain any high-boiling and non-volatile materials and no contaminants are introduced to GC; but highly polar or hydrophilic compounds are not easy to be extracted.

蒸汽蒸馏方法制备的样品通常不含高沸点或非挥发性组分，不会对GC造成污染；但一些极性大或亲水的组分不易分离出来。

The last-named source is so subject to volatilization loss that it is never applied without soil incorporation Although commonly used in no-tillage crops, applied both at planting and as a sidedress application, some additional care must be exercised because soils tend to be wetter under no tillage and soil should be dry enough to crumble and effectively seal the slit left by ammonia application.

液氨很容易形成氨挥发损失，以至于不与土壤掺混就不能施用。虽然在免耕中也经常施用液氨，但必须特别注意，因为免耕条件下土壤比较湿润，施用时土壤必须足够干燥，使土块容易弄碎以封住施氨时留下的缝隙。

The conveyed medium can't be leaked outside. Thus it will not cause the environmental pollution and human body safety dangerous while exhausting the toxin and flammable or corrosive medium. 5、No electricity. It's safe and reliable while using in the flammable and explore places. 6、It can be soaked in medium. 7、It's convenient to use and reliable to work. Only open or close the gas valve body while starting or stopping. Even if no medium operation or pausing suddenly for long time because of accident matters, the pump will not be damaged caused by this. Once over-loading, the pump will automatically stop and possesses the self-protection function. When the load recovers normally, it also can start automation. 8、Simple structure and less wearing parts. This pump is simple in structure, installation and maintenance. The medium conveyed by the pump will not touch the matched pneumatic valve and coupling lever etc. not like other kinds pumps, the performance will drop down gradually because of the damages of rotor, gear and vane etc. 9、It can transmit the adhesive liquid (the viscosity is below 10000centipoise) 10、 This pump needn't the oil lubricant. Even if idling, it has any influence to the pump. This is a characteristic of this pump.

所以抽送有毒、易挥发或腐蚀性介质时，不会造成环境污染和危害人身安全； 5、不必用电，在易燃、易爆场所使用安全可靠 6、可以浸没在介质中工作 7、使用方便、工作可靠、开停只需简单地打开和关闭气体阀门，即使由于意外情况而长时间无介质运行或突然停机，泵也不会因此而损坏，一旦超负荷，泵会自动地停机，具有自我保护性能，当负荷恢复正常后，又能自动启动运行； 8、结构简单、易损件少，该泵结构简单，安装、维修方便，泵输送的介质不会接触到配气阀，联杆等运动部件，不像其他类型的泵因转子、活塞、齿轮、叶片等部件的磨损而使性能逐步下降； 9、可输送较粘的液体（粘度在1万博以下）； 10、本泵无须用油润滑，即使空转，对泵也无任何影响，这是该泵一大特点

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。