Application of SF_6 electric apparatus gas chromatography analysis to field

The concentration of the sample solution waw determined by HPLC.

用高效液相色谱法测定溶出样品液的浓度。

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By means of changing the concentration of OP solution and the varieties of organic additive, the enrichment condition was optimized: 5% OP+ 5% carbamide as the extractive agent, using SPE, acetonitrile as eluent.

通过改变OP水溶液浓度和有机添加剂种类，研究了萃取和富集的条件：以5%OP+2%尿素作提取液，过SPE小柱，乙腈洗脱。

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To lower the concentration of the solution used to enlarge holes can effectively lower the solubility on the surface of Al-foil and reduce the cuniculi of hole, resulting in the improvement of capacitance and mechanical intensity of etched foil.

降低扩孔液的浓度，能有效地降低铝箔的表面溶解度，减少串孔现象的发生，从而提高腐蚀的比容及机械强度。

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If the concentration of KOH solution is reduced to 20%, the change of morphology does not occur until the concentration to 10%. And 10% KOH solution will bring electrolytic zinc to grow to regular dendritic structures.

如果降低KOH溶液的浓度至20%，形貌不会发生转变；进一步降低浓度至10%，形貌才会向规则枝晶状方向转变。

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The concentration of PA6 solution was 8%-18% by mass frac-tion and the diameter of the obtained fiber was 50-500 nm while using HFIP as solvent.

HFIP作为溶剂时PA6可纺丝溶液质量分数为8%～18%，纤维直径为50～500nm；

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When the concentration of CS solution was 2%, pore size of composite was about 200-800 μ m, and HAp particles were claviform with 15 μ m in length.

CS浓度为2%时，支架材料孔径约为200&800μm，HAp为规则的棒状颗粒，其长度均小于15μm。

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However, low temperature aqueous solution can obtain a large number of ZnO nanotubes. Controllable aspect ratio of ZnO nanotubes can be achieved through regulation the concentration of KOH solution. 3.

而采用低温水溶液法合成了大量的ZnO纳米管，并且通过改变KOH碱溶液的浓度能够对ZnO纳米管的长径比加以控制。

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Through actual production it is found that it is desirable to control the concentration of the solution at 87.5%~ 91.5%, and then the bulk density becomes ideal.

通过实际生产，控制溶液浓度在87.5%～91.5%较适宜，此时具有理想的堆密度。

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The concentration of concentrated solution is 1 ∶ 5 ( W/ V) and alcohol concentration is 70% in the processing of alcohol-precipitation.

醇沉时白及水提浓缩液的浓度为1∶5（W/V）、白及水提浓缩液的含醇量达70%。

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And the concentration of CaCO_3 solution is not the predominant factor to determine the induction period of nonmetallic materials, but is to metallic materials.

碳酸钙的浓度不是影响非金属材料诱导期的主要因素，但对于金属材料却存在较大影响。

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It was also evaluated the concentration of treating solution, baking time and baking temperature had effect on water-and oil-proofing.

将淀粉和含氟乳液以不同质量比复配应用，讨论了复配体系对纸张防水防油性、强度、白度的影响。

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Influence of the concentration of absorption solution, temperature, PH, catalyst dosage and impurity ion on regeneration reaction is inspected.

考察了吸收液浓度、温度、PH、催化剂量和杂质离子对再生反应的影响。

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The concentration of the solution before spraying has a certain effect on the product quality of porous ammonium nitrate granules.

喷料前溶液浓度对多孔粒状硝酸铵产品质量有一定影响。

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Various factors such as concentration of phosphoric acid, contact time, temperature, and the concentration of stripping solution were studied.

研究了该体系的萃取行为和性质，考察了混合溶剂的配比、磷酸浓度、两相接触时间、温度等因素对萃取行为的影响，从而确定了分离的最佳工艺条件：温度298K；

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The concentration of precursor solution in reverse microemulsion can influence the specific surface area, particle size and catalytic activity.

反相微乳液中前驱液离子浓度对催化剂的比表面积、粒径及催化活性有一定影响。

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Conclusions the concentration of soap solution should be controlled below 1% for better clinical using for cleaning enema.

结论临床上选用肥皂水行清洁灌肠时，浓度应严格控制在1%以下。

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In this study, as the concentration of etch solution increasing, the etching reaction will be faster;

在此研究中，不同的蚀刻浓度，浓度越浓，反应越快；

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Porosity was generally high (> 75%) and mainly determined by the concentration of polymer solution.

孔隙率普遍较高（>75%），主要由聚合物溶液浓度决定。

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Gel temperature increased, while gel strength decreased as the concentration of HPMC solution increased.

凝胶温度随溶液浓度增大而降低，其强度则增强。一些添加剂也对凝胶温度产生影响。

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Study on the concentration of glyoxal-water solution by membrane distillation

膜蒸馏法浓缩乙二醛水溶液

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