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In this connection, the action is similar to that previously described for volute type centrifugal compressors.

在此联系中,这种作用类似于前面描述过的涡旋式离心压缩机。

It is recycling machine for machine with acentric dry method, flts for recyclingresin bonded sand and used sand.

该机是机械离心干法再生装置,主要用于树脂砂旧砂的再生。

It is recycling machine for machine with acentric dry method, fits for recycling resin bonded sand and used sand.

该机是机械离心干法再生装置,主要用于树脂砂旧砂的再生。

Based on this, a rapid,simple and accurate method for the determination of hexavalent chromium in alkalescent soil has been developed.

结果表明,用0.4mol/LKCl为提取剂,离心分离提取液,可简单、快速、准确地测定土壤中Cr6+,所建立的方法适用于北方偏碱性土壤。

After centrifugation, the extracts were separated on HILIC column by using acetonitrile-water as mobile phase. The analytes were identified and quantitated by LC-tandem MS under the positive/negative electrospray ionization and multiple reaction monitormode. The calibration curves showed good linearity in the range of 25-5000 μg/kg for melamine and cyanuric acid, and 50-10000 μg/kg for ammeline and ammelide. The limits of detection and limits of quantification were in the range of 5-20 μg/kg and 50-100 μg/kg, respectively.

牛奶样品直接用乙腈超声波提取;奶粉样品先用水溶解后再加乙腈超声波提取,高速离心后以乙腈-水为流动相,采用亲水作用色谱柱分离这4种化合物,在电喷雾正、负电离切换多反应监测模式下进行定性与定量分析,三聚氰酸一酰胺与三聚氰酸二酰胺含量在50~10000μg/kg之间、三聚氰胺与三聚氰酸在25~5000μg/kg之间,均获得良好的线性。

Methods The models of isolated rat islets were established by collagenase digestion and dextran gradient centrifugation. The influence of various concentrations of amylin on both glucagon and insulin secretion was studied.

应用胶原酶消化和不连续密度梯度离心技术建立离体大鼠胰岛模型,研究不同浓度胰淀素对胰岛素和胰高血糖素分泌的影响。

In anisometropic amblyopia eyes, the amplitude of mfVEP were significantly attenuated in the 10° central visual field.

2屈光参差性弱视组弱视眼振幅密度在中央视野10°范围内下降最明显(P.01),这种改变随离心度的增加而减少。

The patient avoided eating food rich of protein for three days and fasting for 12 hours before the blood samples were obtained at 7:00-8:00 in the morning, and had laid on bed for 15 minutes at least, 2ml of the blood samples were taken from median antebrachial vein, put into the heparinized tubles, then centrifugating by 1500/minute for 10 minutes,obtained the plasma from the blood, the plasma sample were kept in -72℃ refrigerator, ELISA method was used to determine the homcysteine level.

患者在标本采集前3天避免食用高蛋白饮食,空腹12小时以上,清晨7:00-8:00采血,采血时平卧位,休息15分钟以上,采集肘正中静脉血2ml,置于肝素抗凝管,以1500转/分离心10分钟后,分离血浆,用酶联免疫吸附法测定各管的HCY含量。

The prevention methods include chemical antiscale method, physical antisacle method, control of the return proportioning of centrifugal solution, technical innovation, and standardized operation.

醪垢的预防方法有化学防垢法、物理防垢法、控制离心清液回配比、减少回配量、改善工艺、规范操作。

The process is that chromium yeast is first washed after centificating from the cultural medium and dried and then determined by Biphenyl Carbazide Method.

确定了比较合适的有机铬检测方法:酵母粉进行振荡浸泡(100rpm)10h后,洗涤离心干燥,然后采用二苯胺基脲法检测有机铬含量。

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Do you know, i need you to come back

你知道吗,我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书,王祥生,李德昌。安徽省首次发现嗜群血蜱。

Chapter Three: Type classification of DE structure in Sino-Tibetan languages.

第三章汉藏语&的&字结构的类型划分。