high speed centrifugation

The cell membrane fractions were collected by high speed centrifugation .

valbyensis菌体，收集后的菌体用液氮研磨破碎，再用高速离心收集细胞膜片段。

Conclusion : the preparing method of high speed centrifugation could replace the normal preparing method of water ethanol method .

结论：高速离心法可取代常规水醇制备方法。

The protein in serum sample was precipitated by methanol , and the supernatant was directly injected into HPLC after high speed centrifugation .

血清标本经甲醇沉淀蛋白，高速离心后取上清液直接进样。

RESULTS The shearing forces , such as vortex , high speed centrifugation or stirring , had little influences on the activity of Newcastle disease virus .

结果涡旋、高速离心和搅拌等剪切力时新城疫病毒的活性影响不大；超声时病毒活性产生一定的影响；

Results : the method of high speed centrifugation could shorten preparing technological process , and much more contents obtained by it than that was obtained by the normal method of water ethanol method .

结果：高速离心法缩短工艺流程，含量也明显高于常规水醇方法。

Method : To prepare Zhike Dingchuan Koufuye with different method of high speed centrifugation and water ethanol method , then measure the respective content obtained by those two different methods .

方法：采用高速离心法与水醇法同时制备止咳定喘口服液，并测定其含量。

A kind of hepatocyte growth factor was purified from cow placenta through high speed centrifugation , salting out , affinity chromatography , ultrafiltration and anion exchange chromatography .

用高速离心、分段盐析、亲和层析、超滤和阴离子交换层析法，从牛胎盘中分离纯化出一种肝细胞生长因子。

The research is composed of three aspects : After a pretreatment of high speed centrifugation , a UF membrane with a MWCO value of 45000 is used to separate GABA fermentation broth .

在高速离心的基础上，采用截留相对分子质量45000的超滤膜对GABA发酵液进行超滤分离。

Baker 's yeast were treated with ultrasonic crash , high speed centrifugation , ammonium sulfate precipitation , dialysis and freeze-drying to gain the raw dehydrogenases , which then were purified by dye affinity chromatography .

将面包酵母经超声破碎、高速离心、硫酸铵分级沉淀、透析、冰冻干燥等步骤得到脱氢酶粗品，再经染料亲和层析柱进一步纯化。

The electromagnetic bearing used on high speed centrifugation driers is established , and an electric control system is used with a core of numeric controller , using PID control arithmetic . The control parameters used in guiding system debugging are optimized from system simulation .

研制应用在高速离心干燥机上的电磁轴承，开发以数字控制器为核心的电控系统，采用PID控制算法，通过仿真获得的参数指导实际调试，实现控制参数的最优化。

In high speed centrifugation condition , the centrifugation temperature and NaCl ionic intension of reverse extraction solution were changed to study their effects on the separation degree and the interaction of protein and AOT , and the optimum centrifugation temperature and NaCl addition were selected .

研究了在高速离心作用下，反萃液的离心温度和盐离子强度对AOT和蛋白质的分离程度及相互作用的影响，并确定最佳离心温度和盐离子强度。

The strain was cultured under light treatment , temperature 38 ℃, shake cultivation 6 days , the purple membrane was gained through high speed freeze centrifugation , dialysis , sucrose density gradient centrifugation , superspeed centrifugation etc.

该菌株在光照条件下，38℃摇瓶培养6d，可用高速冷冻离心、透析袋、蔗糖密度梯度纯化、超速离心等得到紫膜。

The experiments of long-time , high speed , high temperature running , which have been done in lab and factories , shows that the system has meet the need of application of high speed centrifugation driers .

在实验室和工厂进行的高温高速加载运转实验表明，研究的电磁轴承已经达到高速离心干燥机的应用要求。