不易挥发物质释放的辐射，和逸出的铯、碘等易挥发元素一样，对接近核电站的工作人员或善后人员来说仍然是一个巨大的危险。
The radiation emitted by nonvolatile materials still poses a big danger to workers or cleanup crews close to the plant, along with the released volatile elements such as cesium and iodine.
不同于普通的技术，它能够将蒸馏出的物质保持在足够低的温度，将通常会消失的易挥发材料保留下来。
unlike a regular still, it keeps the distillate at a low enough temperature to retain the volatile components that ordinarily disappear.
检测方法：气体传感器阵列。研究人员研制出一种设备，它能分析管组织标本中的挥发性化学物质，以此确定样品是否具有癌变性。
Detection: Gas sensor array. Researchers have developed a device that can analyze the volatile chemicals emanating from a tissue specimen tube to determine whether the sample is cancerous.
测定比较了参苏饮袋泡剂、丸剂及汤剂水溶出率、含糖量和总挥发油含量；
The water extract, sugar and total volatile oil of Shensuyin have been determined and compared in the form of bag, pill and decoction.
从该种卷烟烟丝含水率不同的烟支中都分析鉴定出同样的总粒相物挥发性化学成分。
Analyzes from this kind of cigarette shredded tobacco moisture content different smoke appraises the similar total macrograph volatile chemical composition.
煤热解过程中挥发分和气相逸出总硫之间的关系与形态硫的转化和迁移规律有关。
The relationship between volatile matter and total sulfur in gas phase of coal pyrolysis process was related to the rule of form sulfur transformation.
发生炉正常炉出煤气温度与气化用煤的化学反应活性和气化用煤的挥发分及水分含量相关。
The normal gas outlet temperature of coal gasifier is related to chemical reactivity, volatile matter and moisture content of gasification coal.
研制出用于催化氧化废气中挥发性有机化合物(VOC)的非贵金属氧化物催化剂。
A catalyst based on non noble metal oxides for catalytic oxidation of volatile organic compounds (VOC) in waste gas has been developed.
挥发大蒜油在薄层板上分离出的最大斑点的化学成分用红外光谱法定性，用薄层扫描法定量。
The chemical composition of the largest spot on thin layer plate was identified by Infrared spectrum, and its content was determined by TLC scanning.
摸索出图案化限域的关键工艺条件，认为聚合过程中单体挥发产生的空隙和链段热运动产生的空穴是影响聚合物膜层隔绝电解液性能的关键因素之一。
The experiments showed that the spacing after monomer volatilizing during polymerization and the cavity produced by thermal motion of segment were the key factors to weaken the protection of film.
结果：共分离出61种成分，共鉴定出38种成分，所鉴定的组分占挥发油色谱总峰面积的85.09%。
Result:61 components were separated and 38 compounds being identified within them, and they were 85.09% of the total essential oil.
本文采用GC-MS测定了橡木中的挥发性香气成分，共鉴定出38种化合物，其中种类最多的是酮类化合物，有13种，其次是酚类8种，酯类6种，醛类和醇类各5种，酸类1种，其他组分1种。
Volatile components in oak chips were determined by GC-MS and 38 compounds were identified, including 13 ketones, 8 phenolic compounds, 6 esters, 5 aldehydes, 5 alcohols, 1 acid and 1 other component.
类萜是从植物中分离出的一类类异戊二烯物质，其中挥发萜类物质直接影响着植物的芳香品质。
Terpenoid is a class of isoprenoids isolated from plants, of which volatile terpenoids are directly involved in aroma formation in plants.
结果：超临界CO2萃取法提取的挥发油鉴定出52个成分，水蒸气蒸馏法提取的挥发油鉴定出48个成分，两者共有成分45个。
Results:52 compounds in the volatile oil extracted by SCE-CO2 and 48 compounds in the volatile oil extracted by SD were separated and identified separately. There were 45 same components.
结果：共鉴定出47个化合物，占挥发油总量的99。02%，并测定了各成分在挥发油中的百分含量。
Results: 47 chemical compounds were identified and the total content of the identified constituents in the essential oils was 99.02%.
用水蒸气蒸馏法提取了深绿卷柏的挥发油成分，并用GC-MS对挥发油成分进行分析，共分离鉴定出40种挥发性成分的结构。
The volatile oil of Herba S. doederleinii was extracted by steam distillation and analyzed by gas chromatographymass spectrometry (GC-MS). About 40 kinds of aetherolea compounds were identified.
结果：在青蟹和湖蟹中分别鉴定出37种和30种挥发性成分。
Results:37 flavor compounds in Samoan crab and 30 flavor compounds in Chinese mitten crab were identified.
采用气相色谱-质谱联用技术(GC - MS)分析比较了超临界流体萃取法、水蒸气蒸馏法、索氏提取法及超声提取法所得提取物中的挥发性化学成分，分别鉴定出37,45,27及37种化学成分。
The volatile compounds of extracts obtained by SFE, steam distillation, soxhlet extraction and ultrasound extraction were analyzed by GC-MS. 37, 45, 27 and 37 compounds were identified respectively.
结果 采用顶空进样技术，可鉴定出侧柏叶中29个挥发性化学成分；采用水蒸气蒸馏法可鉴定出34个挥发性化学成分；
RESULTS By GC-MS, 29 volatile compounds in Platycladi Cacumen treated with head-space injection were identified, while 34 volatile compounds identified with steam distillation;
结果从分离出的72个峰中鉴定出61种化学成分，其含量占挥发油总量的98.83%。
RESULTS 61 components among 72 peaks were identified which represented 98.83% of the total contents.
芫荽、莴笋、番茄、冬瓜、黄瓜分别鉴定出79、49、83、66、87种挥发性成分，各挥发性成分均以醛类物质为主。
79 were identified in coriander, 49 in lettuce, 83 in tomato, 66 in chinese wax gourd, 87 in cucumber.
芫荽、莴笋、番茄、冬瓜、黄瓜分别鉴定出79、49、83、66、87种挥发性成分，各挥发性成分均以醛类物质为主。
79 were identified in coriander, 49 in lettuce, 83 in tomato, 66 in chinese wax gourd, 87 in cucumber.
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