挥发的

The research suggested that American white oak is the best choice for the production of grape wine with strong oak aroma and European oak is the best choice for the production of grape wine with harmonious oak aroma, fruit aroma and wine aroma; air drying process of barrel plates would influence the content of total phenol, tannin and volatile substances including vanillin and MOL; and baking intensity will change original content of chemical compositions in oak and make oak barrel possess different aroma characteristics and phenol substance content.

研究表明，酿制橡木香较浓郁的葡萄酒选用美国白栎较好，酿造像木香、果香、酒香协调的葡萄酒则选择欧洲橡木较适宜；板材风干过程对橡木板材中的总酚、单宁含量及挥发性香气物质香兰素和橡木内酯的含量均有影响；烘烤强度可改变橡木木材原有的化学组分含量，使橡木桶具有不同的呈香特性和酚类物质含量。

The research suggested that American white oak is the best choice for the production of grape wine with strong oak aroma and European oak is the best choice for the production of grape wine with harmonious oak aroma, fruit aroma and wine aroma; air drying process of barrel plates would influence the content of total phenol, tannin and volatile substances including vanillin and MOL; and baking intensity will change original content of chemical compositions in oak and make oak barrel possess different aroma characteristics and phenol substance content.

研究表明，酿制橡木香较浓郁的葡萄酒选用美国白栎较好，酿造橡木香、果香、酒香协调的葡萄酒则选择欧洲橡木较适宜；板材风干过程对橡木板材中的总酚、单宁含量及挥发性香气物质香兰素和橡木内酯的含量均有影响；烘烤强度可改变橡木木材原有的化学组分含量，使橡木桶具有不同的呈香特性和酚类物质含量。

So the different adsorbents on the inhibitory effect on the migration of different heavy metals were very different.

固体吸附剂的加入对污泥焚烧过程中重金属的挥发具有一定的抑制作用，并且不同吸附剂对不同重金属的迁移的抑制效果有很大差异。

According to the practical situation of volatile matter determination, the factors such as instruments, coal samples, crucibles and furnace temperature control which influence the accurate determination of the volatile matter are analyzed in this paper.

结合挥发分测定的实际情况，探讨了测试所用的仪器、煤样要求、坩埚的选取及坩埚架的使用、炉温控制等方面对测定准确度的影响。

Sorghum is widely planted in China, and it has a long history of being used for liquor-making material. So far, there has been a great amount of research about the effects of its ingredients, including starch, protein and fat on liquor quality. However, relatively little research explores the effect and its mechanism of SPC featuring the activity of suppressing bacteria and mediating enzyme on the volatile ingredients of distilled liquor.

高粱在我国种植广泛，作为酿酒用原料已有千余年的历史，人们对于高粱中淀粉、蛋白质和脂肪等成分在酿酒中的作用研究甚多，但对具有抑菌和调节酶活特性的原花青素对小曲酒挥发性化合物产生影响及其机制的研究，却未见相关的文献报道。

In a pilot scale reverse flow reactor with a liter of catalyst, catalytic combustion of typical industrial waste gas contaminated with volatile aromatic compounds was systematically investigated, and the "temperature run-away"in the case of too high feed concentration and the " extinction of reactor" in the case of low feed concentration were observed.

在流向变换催化燃烧小型中试装置上利用国产催化剂进行了含混合芳烃模拟工业废气的净化试验，重点考察了挥发性有机物能够通过调整换向周期在既不&飞温&也不&熄火&的条件下保持很高的VOCs转化率的浓度变化范围，初步观察了由于VOCs浓度过高或过低所引起的&飞温&或&熄火&过

The removal ratio of bitumen and tar in tail gas reaches or approaches 100%, the removal ratio of suspended solid comprising carbon black particles and smoke dust reaches the range of 90% to 95%, and the removal ratio of naphthalene with volatility is more than 90%.

对尾气中的沥青、焦油的脱除率分别达到和接近100％，对其中的固体悬浮物脱除率可达90～95％，对其中具有挥发性的萘的脱除率也可达90％以上。

DM is mainly used as high-boiling point solvent for printing ink, dyestuff, resin, cellulose and painting.

二乙二醇丁醚醋酸酯有着十分高的沸点，主要用于高温烤瓷以及印刷油墨的高沸点溶剂，也用作乳胶漆的助聚结剂；由于该溶剂挥发速度很慢，在水中溶解度低，所以可作为丝网印刷油墨的溶剂，以及聚苯乙烯涂料印花釉的溶剂；也可作为共沸剂用于醇与酮的分离。

In the contaminated lard sample, 6 organic compounds have been thus identified to be the raw materials or byproducts in the production of organic tin compounds. Based on the identified contaminants, it can be postulated that the chemical structure of the organic tin compound is dibutyltin-bis-(2-isooctyl thioacetate). The method is simple and precise, and has not been reported in the local literature.Keywords Organic tin compound, Lard, SPME－GC－MS

经过摸索研究，采用固相微萃取方法富集挥发性杂质，直接注入色谱中，经色谱分离，质谱测定，确定了杂质的结构，由杂质成分推断生产有机锡所用的原料，然后判断合成路线，最后确定有机锡的结构，从有毒猪油中鉴定出2－巯基醋酸异辛酯、双（2－醋酸异辛酯）二硫、双醋酸异辛酯硫醚等6种与有机锡有关的杂质，并与相应的有机锡工业品对照，发现工业品中也含有这些杂质，与其合成过程的原料及副产物相符，从而确定有机锡化合物为二硫代醋酸异辛酯二丁基锡。

Early in 1990s abroad, there had been reported on substitutes of chlorinated hydrocarbon solvent type paint remover, selection of nonvolatile ester and aromatic compounds was a hot spot of the researches. Meanwhile, the development of paint remover of emulsifier system had also witnessed a great progress.

国外早在上世纪九十年代就己经有氯化烃溶剂型脱漆剂的替代品报道，选用非挥发性的酯及芳香化合物是其中的一个研究热点；同时，乳化体系的脱漆剂开发也有了很大的发展。

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。