沉降法

chén jiàng fǎ
  • sedimentation
沉降法沉降法
沉降法[chén jiàng fǎ]
  1. 类核沉降法分析247例癌症病人和正常人的DNA修复能力

    Analysis of and Repair Capacity in 247 Cancer Patients and Normal Persons by Nucleoid Sedimentation Technique

  2. 粒度的测试方法有:X射线衍射法、激光粒度仪、沉降法等;

    The testing methods of grain size are X radial diffraction , laser granularity apparatus , sedimentation method , etc.

  3. 组装成胶晶模板采用自然沉降法和离心法两种方法。所得到的胶晶都具有面心立方结构(fcc)特征,从胶晶规整性比较,自然沉降法优于离心法。

    Colloidal crystal template was assembled by a natural sedimentation and a centrifugation method .

  4. 纳米颗粒测试的6种常见方法分别为透射电镜观察法、X射线衍射线宽法、X射线小角散射法、BET比表面积法、离心沉降法和动态光散射法。

    The six common methods for measuring nanoparticle size are TEM , XRD , SAXS , BET , the centrifugal method and DLS .

  5. JWL-ⅡC型撞击式多功能空气微生物监测仪与平皿沉降法的结果一致率最好(73.0%)。

    The conformation rate between the results of JWL Type - ⅱ C Clash Multifunctional Sampler of air microorganisms and flat slab exposure method was the best ( 73.0 % ) .

  6. 重力沉降法结合共烧结法制备YSZ薄膜

    YSZ thin film prepared by gravity deposition method combined with co-sintering method

  7. 光扫描沉降法测定AUC粉末的粒度分布

    Determination of Particle Size Distribution of AUC Powder by Photoscanning Sedimentation Method

  8. 利用沉降法研究了纳米TiO2分散的最佳条件,TEM检测表明纳米TiO2在溶剂中基本达到了纳米态的分散;

    The optimal dispersion conditions was studied through settlement experiment . The study with TEM show that nano-TiO2 was nano-particles in solvent .

  9. ClO2氧化,混凝沉降法处理煤气洗涤水的研究

    Study on Treatment of Coal-gas Washing Water Using Chlorine Dioxide Oxidation and Coagulative Precipitation

  10. 对固体撞击式采样法与平板沉降法进行初步实验,结果表明,使用固体撞击式采样法测定空气微生物的含量总数与平板沉降法采获的总数结果差异有显著性(P<0.05)。

    The airflow striking sampling was compared with flat utensils sedimentation sampling for collection of air microorganisms . The result showed that air microorganism count with the former method is more efficient than the latter method ( P < 0.05 ) .

  11. 分析论证了一维超饱和输沙法恢复饱和系数α与准静水沉降法修正系数K互为倒数;

    This paper analyses and proves that the restoring saturation coefficient α of one dimension extra saturation sediment discharge method and the modified coefficient K of the quasi hydrostatic settlement method are reciprocals each other .

  12. 目的进一步提高HES(羟乙基淀粉)沉降法分离脐血单个核细胞的收率。

    Objective To improve the percent recovery of the white cells in the process of cord blood separation by HES sedimentation .

  13. 用PVP自然沉降法提取白细胞,标本均置于液氮罐保存。

    By PVP natural sedimentation technique , WBC was collected and preserved in liquid nitrogen . Total RNA were extracted by one-step technique and purified ?

  14. 用Andersen生物粒子采样器和平皿沉降法分别观测了室内和室外空气真菌粒子浓度、粒数中值直径(CMD)和沉降量。

    The outdoor and indoor airborne fungi particles concentration , particles count median diameter ( CMD ) and deposition in .

  15. 方法:5d内每天对儿科门诊输液室采用平皿沉降法进行空气采样,时间为8点、10点、12点及中午消毒后效果监测。

    Methods Air samples were collected at 8,10,12 and after disinfection at noon by way of plate sedimentation for five days .

  16. 根据花粉直径不同建立的2n花粉与n花粉分离方法主要有静电花粉分选方法、筛选法和速度沉降法。

    Based on the diversity of the diameter , three methods are made to separate the pollens , they are the electrostatic separating method , the screening method and the sedimentation velocity method .

  17. 方法通过RNA免疫沉降法筛选抗U1RNP抗体阳性血清,免疫印记分析检测血清中抗HPAEC自身抗体。

    Methods Sera with anti-U_1RNP antibodies ( Abs ) were selected through RNA immunoprecipitation assay , and autoantibodies against autoantigens of HPAEC were detected by immunoblot .

  18. LWC&1型和ANDERSEN二种采样器的采样结果之间没有明显差异,二种采样器的采样结果均明显高于平皿沉降法的采样结果。

    There was no significant difference between the results using LWC ─ 1 sampler and Anderson sampler , which were significant higher than that using gravity plate .

  19. 因此,3g/dl明胶自然沉降法是一种较理想的分离MNC的方法,用明胶沉降法和MACS相结合是分离脐血CD34+细胞的理想方法。

    So , 3 g / dl gelatin natural sedimentation is an optimal method for separating MNC , collaboration with MACS can separate and purify CD34 + successfully .

  20. 用平板沉降法采样,测得其平均沉降量分别为122cfu/平板·min与0.30cfu/平板·min。

    The plate sedimentation method was used for sampling and the average sedimentation amounts of bacterial and fungal particles suspending in air were measured to be 1.22 cfu / plate · min and 0.30 cfu / plate · min respectively .

  21. 方法:以右旋糖酐沉降法分离的大鼠PMN和体外培养的大鼠VEC为实验材料,建立细胞冻融模型。

    Methods : Freezing / thawing cells model was founded using PMN of rat isolated by dextran sedimentation technique and VEC of rat cultured in vitro as experimental material .

  22. 然后用自制的60%和75%的Percoll细胞分离液摸索出3种中性粒细胞的分离方法,即Percoll梯度离心法、Dextran作用下的红细胞自然沉降法和裂解红细胞法。

    Then groped three species Segregation methods of PMN by using 60 % and 70 % percoll , namely , percoll gradient Centrifugation , erythrocyte physio-sedimentation was acted by Dextran .

  23. AHZ-CaO沉降法对糖蜜酒精废液净化处理方法研究

    Study on the application of AHZ-CaO precipitation to the purification and treatment of molasses alcohol wastewater

  24. 方法对某部雨前雨后进行训练的各4辆坦克开动30min后,用空气平板沉降法及表面涂抹法进行污染调查。

    Method In July 1998 , we made an investigation into the air and the surface pollution inside every four tanks of a certain unit training before and after rain .

  25. 利用沉降法测试粉末粒度分布并在扫描电镜下观察粉末的形貌和粒度,发现在10∶1球料比下球磨96h后可以有效制备得颗粒粒度为0.20μm的金属陶瓷硬质相超微粉。

    After 96 hours ball-milling with the ball / powder weight ratio 10:1 , ultrafine cermet hard phase powders were effectively fabricated as the average particle size achieved the minimum 0.20 μ m.

  26. 在35℃、SBS浓度为3.0mg/mL环己烷、转速为56100,/min的条件下,用超离心沉降法测得线形SBS的沉降系数(S)随聚苯乙烯含量(WPS)的增加而增加。

    The sedimentation coefficient ( S ) of linear SBS determined by ultracentrifugation of SBS solution in cyclohexane , with concentration 3.0 mg , at 35 ° C and 56 100 r / min , increased with the increase of polystyrene content ( WPS ) .

  27. 针对超细铜锌粉在液体介质中团聚严重的现象,采用沉降法及分光光度法研究了该粉末的分散液在OP-10乳化剂、硬脂酸、碳酸钠等分散剂的作用下的分散效果。

    In allusion to agglomerates of ultrafine Cu-Zn powder in liquid media , dispersing effects of the powder under the action of OP-10 , stearic acid and soda et al . are measured by the methods of sedimentation and spectrophotometer .

  28. 分析了Cilas940L激光粒度仪的测试结果,并与沉降法、筛析法进行了比较。

    It is important to examine the performance of a laser particle size analyser and understand the discrepancy between it and pipette and sieving methods .

  29. 目前国内外已报道的分选方法仅有以下三种方法:筛选法、花粉在中间介质中分离的速度沉降法、花粉的静电分选法(主要针对分选2n花粉而设计的)。

    Only there are three kinds of methods in separation that has been reported both at home and abroad at present sieve method , separation of pollens by velocity sedimentation of pollens , electrostatic separation of pollen ( which is designed mainly use for 2n pollen ) .

  30. 用沉降法研究了超微SiO2在水溶液中的分散行为,探讨了超分散剂PSE与传统分散剂的分散效果,并通过颗粒间相互作用能计算进一步研究了超分散剂PSE的作用机理。

    The dispersion behavior of ultrafine silica in aqueous system was investigated by the sedimentation test , and the effect of hyperdispersant PSE was studied comparing with traditional dispersants . Furthermore , the mechanism of PSE in the systems was revealed through calculating the interaction energies between particles .