the study on the determination of the optical purity of permethrinic acid by capillary gas phase chromatography

measurement levulinic acid in soy sauce by gas phase chromatography

顶空进样气相色谱法测定酱油中乙酰丙酸

gas phase chromatography determining the nitrobenzene in the water of dalian river

气相色谱法测定达连河水中的硝基苯

dha detection of nutritional substance of epa and dha from puffer fish by gas phase chromatography

气相色谱法测定河豚鱼中营养物质EPA与

determine thing of benzene department of water quality by capillary column gas phase chromatography

二硫化碳萃取毛细管柱气相色谱法测定水质的苯系物

optimizing detection conditions of gas phase chromatography of fenvalerate

优化氰戊菊酯气相色谱检测条件的研究

detecting content of trace mma from composite materials of artificial skull with gas phase chromatography method

人工颅骨用复合材料中微量甲基丙烯酸甲酯的气相色谱法测定

application of gas phase chromatography in ethylbenzene dehydrogenation

气相色谱在乙苯脱氢实验中的应用

discussion on the determination of several organic phosphorus insecticides in vegetables by using capillary gas-phase chromatography

毛细管气相色谱检测蔬菜中多种有机磷农药方法的探讨

detection of benzoic poisons from the air in working places with capillary tube gas phase chromatography

毛细管柱气相色谱法测定工作场所空气中的苯系毒物

horizontal road marking. markings applied on the roads. analysis of alkyd resins by gas phase chromatography.

路面横标记.道路上使用的标记.用气相色谱法对醇酸树脂的分析

methodsborneol and of menthol as the evaluation indexes, the gas phase chromatography was adopted to determine the contents.

方法以冰片、薄荷脑为评价工艺指标，气相色谱法测定两者的含量。

interrelation between the process of photosynthetic physiological ecology of haloxylon ammodendron and xeric environment

梭梭光合生理生态过程与干旱环境的相互关系

effects of concave mulching with polythene film on growth and development of corn growing in sloping land

凹型盖膜种植对坡地玉米生长发育的影响

high - yielding technique of polythene film mulching for peanut in north areas of anhui province

皖北地区花生地膜覆盖高产栽培技术

research on key technic of cotton stalk shredding and used polythene film collecting combined machine

棉秸秆切碎及残膜回收联合作业关键技术研究

technical improvement of polythene film mulching for peanut high-yield in northern anhui province

皖北地区地膜花生高产栽培技术改进

experimental and simulated study of effect of polythene film on flammable vapor cloud explosion

聚乙烯薄膜对可燃气云爆炸影响的实验研究与数值模拟

nitrocellulose for domestic is packed in composite fiber drum lined with polythene film bag. net weight is 20-25kg per drum.

采用复合纸袋，内衬聚乙烯塑料袋包装，每袋净重20-25千克（国内）。

the wings are made of a polythene film stretched over a carbon fiber frame.

机翼是由碳纤维框架和包裹在外面的聚乙烯膜构成的。

the most common viral agent is coxsackie b.

最常用的病毒是柯萨奇病毒B。