挥发的

In no-smoking home kitchens the two main sources of naphthalene were cooking and volatilization of camphor ball, acco...

在不抽烟家庭厨房中，卫生球的挥发、烹调对萘的贡献率分别为36%，64%；在抽烟家庭厨房中，香烟烟雾、卫生球的挥发、烹调对萘的贡献率分别为53%，17%，30%。

While house-to-house variability in AERs, interzonal flows, and VOC concentrations can be signifi- cant, an important finding is that tighter houses tend to have both higher garage-to-house flows and higher VOC levels due to emissions in the house and garage.

同时，挨家逐户变异粉，窜流，挥发性有机化合物的浓度，可巨大的，一个重要发现是：住房紧张，往往有较高的车库逐户流动和挥发性较高层次原因排放的房子和车库。

In the environmental protection law, under pressure from foreign business card printing and membership card making business of research departments and manufacturers had to research and development of non-solvent inks, that is, non-volatile or less volatile.

在这些环保法律的压力下，国外制卡和会员卡制作行业的研究部门和厂家不得不研究开发无溶剂的油墨，即无挥发性或者少挥发性的油墨。

With the ripening process of Xuanwei ham, the volatile compounds identified from M. semimembranosus and M. Bicepts femoris of the ripened hams at 12 months are 98 and 67 respectively.

在宣威火腿干燥成熟过程中，火腿肌肉中形成的挥发性化合物的种类逐渐增多，12个月终产品的半膜肌和股二头肌中的挥发性化合物分别为98种和67种。

In comparison with the pure standards and the retention indices RI(subscript s reported in the literature, a total of 302 volatile compounds were identified in Changyu XO brandy, including 30 alcohols, 35 aldehydes and ketones, 20 carboxylic acids, 104 esters, 24 substituted benzenes and derivatives, 14 phenolic derivatives, 14 acetals, 16 furan derivatives, 22 terpenic and norisoprenoidic derivatives and 23 others.

实验先采用液－液萃取方法提取张裕XO级白兰地的挥发性成分，然后将酸性成分与碱性和中性成分分离，再采用柱色谱分离手段将其分离为若干个级分并浓缩，采用气相色谱-质谱、标准品比对、保留指数值比较等方法对分离得到的各级分中的成分进行了鉴定，在白兰地中共鉴定出302种挥发性成分，包括醇30种、醛酮类35种、酸类20种、酯类104种、苯同系物及其衍生物24种、酚类14种、缩醛14种、呋喃类16种、萜烯类22种和其他物质23种。

The neutral/basic fraction was furthermore separated into 4 fractions using silica gel normal phase chromatography, and each fraction was then concentrated and analyzed using gas chromatography-mass spectrometry. In comparison with the pure standards and the retention indices reported in the literature, a total of 302 volatile compounds were identified in Changyu XO brandy, including 30 alcohols, 35 aldehydes and ketones, 20 carboxylic acids, 104 esters, 24 substituted benzenes and derivatives, 14 phenolic derivatives, 14 acetals, 16 furan derivatives, 22 terpenic and norisoprenoidic derivatives and 23 others.

实验先采用液-液萃取方法提取张裕XO级白兰地的挥发性成分，然后将酸性成分与碱性和中性成分分离，再采用柱色谱分离手段将其分离为若干个级分并浓缩，采用气相色谱-质谱、标准品比对、保留指数值比较等方法对分离得到的各级分中的成分进行了鉴定，在白兰地中共鉴定出302种挥发性成分，包括醇30种、醛酮类35种、酸类20种、酯类104种、苯同系物及其衍生物24种、酚类14种、缩醛14种、呋喃类16种、萜烯类22种和其他物质23种。

It is indicated that the main combustible matter in sludge is the volatile matter, and the volatile is combusted in a wide temperature region (from 200℃ to 600℃).

污泥的挥发分燃烧DTG峰有明显的多峰叠加现象，表明污泥的挥发分析出组分较为复杂。

Effect of different basal-dressing application methods on soil ammonia volatilization was studied by using forced-draft enclosure in winter wheat fields.The results indicated that fertilizer placement considerably influenced ammonia volatilization.

用密闭室强制通气装置对冬小麦不同基肥施用方式(表施、深施和表施结合灌溉)下的土壤氨挥发损失进行了研究，结果表明：肥料在土壤中的位置对氨挥发损失的影响非常显著。

The present paper reviewed advances in plant defense mediated by the signal function of plant VOCs. In some cases plant VOCs can have a direct defense mechanisms against herbivory. It is believed that VOCs can transfer within plant and between the plants of the same species and different species to improve the defense mechanisms of the respective plants, indicating their crucial role in ecosystem function.

总结了植物挥发性物质作为信号物质在提高植物抗性方面的国内外研究成果，阐述了植物挥发性物质不仅能够直接提高植物的抗性，而且可以作为信号物质在同株、同种异株和不同种植物之间进行传递，进而间接提高目标植物的抗性。

In this paper three extraction methods for volatile flavor compounds in fresh fruit of Rosa roxburghii Tratt were compared.

通过对刺梨鲜果挥发性香味物质的提取及分析，对常用的三种提取植物、果蔬挥发性香味物质的方法进行了比较。

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。