density gradient
[物] 密度梯度,密度陡度;密度涨落
2025-10-08 11:57 浏览次数 6
[物] 密度梯度,密度陡度;密度涨落
density-gradient tube密度梯度管
Density Function Gradient Materials密度功能梯度材料
density distribution gradient密度分布梯度
density y gradient centrifugation密度梯度离心
density y gradient密度梯度
density y gradient electrophoresis密度梯度电泳
density-gradient sedimentation密度坡沈积
density funtion gradient materials密度功能梯度材料
coal maceral concentrates of high purity were prepared from four different rank coals by density gradient centrifugation method.
经等密度梯度离心分离,从褐煤、长焰煤、气煤和贫煤四种不同变质程度煤中获得了高纯度的有机显微组分。
objective core histones h2a, h2b, h3 and h4 were extracted from calf thymus, fractionated on sucrose density gradient ultracentrifugation, and further purified by hydroxyapatite.
目的为制备体外组装染色质所需的核心组蛋白及蛋白因子。 方法应用密度梯度离心和羟基磷灰石柱分离小牛胸腺细胞核心组蛋白h2a、h2b、h3及h4;
the 3%lm-solubilized fractions are separated by different methods: sucrose density gradient ultracentrifugation, anion exchange column, molecular size elution column.
对于3%lm增溶后的类囊体膜蛋白,分别采用了蔗糖密度梯度离心,离子交换柱层析和分子筛层析等分离纯化方法。
the small and large cl cells were aeparted by sucrose density gradient centrifugation.
将制成的黄体细胞悬浮液,经蔗糖密度梯度离心分离大、小黄体细胞。
the green leaves of vegetables through tissue homogenate, differential centrifugation separation, density gradient centrifugation purify sample of chloroplast.
对蔬菜绿叶通过组织匀浆,差速离心分离,密度梯度离心分离、纯化、提取叶绿体。
resultsthe rat bone marrow mononuclear cells collected by density gradient centrifugation can differentiate into endothelial progenitor cells with the induction of the egm-2 culture.
结果对采用密度梯度离心法获取的大鼠骨髓单核细胞在体外进行egm-2诱导培养,可分化为内皮祖细胞。
the tissue culture of mumps virus s79 strain was purified by ultrafiltration on hollow fiber, peg precipitation and density gradient ultracentrifugation.
将腮腺炎病毒s79株培养液用中空纤维超滤器进行浓缩,经peg沉淀后,采用蔗糖密度梯度离心法纯化抗原;
methods the sample of blood from 45 cases opf sle and 30 healthy con-trois were measured by density gradient centrifugal assay.
方法采用密度梯度离心法检测45例sle患者和30例正常人的血液标本。
conclusion density gradient centrifugation combined with adherence cells filtration is an effective way to obtain epc derived from mice spleen.
结论通过密度梯度离心联合贴壁筛选可以获得脾脏epc。
after acquisition, it was purified by chlorinated cesium (cscl) density gradient ultracentrifugation. its titer was determined by plaque assays.
扩增后收获病毒,氯化铯密度梯度离心纯化,空斑试验测滴度。
the cross-section structure of membranes was sponge-like with density gradient when content of acid was appropriate.
当酸达到合适的量时膜截面都形成具有密度梯度的海绵状结构。
cathode plasma moves ahead to the anode and changes diode effective gap. plasma's expanding velocity is determined by electric field, density gradient and temperature gradient.
决定阴极等离子体膨胀速度的因素主要有二极管区的电场强度、等离子体的密度梯度和等离子体温度梯度等因素。
the eosinophils in broncho-alveolar lavage fluid (balf) were separated by density gradient centrifugation.
用密度梯度离心法分离并计数支气管肺泡灌洗液(balf)中的嗜酸性粒细胞;
the intrahepatic lymphocytes from each group were isolated by using density gradient centrifugation.
密度梯度离心法分离肝内淋巴细胞;
as technological research findings will be industrialization, we choose the sucrose density gradient centrifugation as purified method and study the postorder work of purified virus-containing fluids.
鑒于产品开发要求,试验研究确定选用蔗糖密度梯度离心方法作为流感疫苗的纯化手段。
the serum ldl, vldl and hdl were isolated by the density gradient ultra centrifugation.
兔血清ldl、vldl及hdl用密度梯度超速离心法分离得到。
conclusion:high purity of msc can be obtained by density gradient centrifugation.
结论:密度梯度离心法分离获得的人胚胎骨髓间充质干细胞纯度高。
a linear relationship between the density gradient a nd height in a density gradient column was established and the calculation formula for solutions in the national standard was modified.
针对塑料密度这一重要的物性参数的密度梯度法测定,从理论上对影响密度梯度柱配制过程的各个方面进行了分析; 对密度梯度与高度的线性关系进行了理论的推导;
recombinant adenoviruses were generated by packaging of hek293 and purified by velocity density gradient centrifugation in caesium chloride solutions.
腺病毒载体经hek293细胞包装产生含反义片段的重组腺病毒,用氯化铯密度梯度离心法获得纯化的高滴度腺病毒;
the main causes of circulations are the coriolis force brought by the earth rotation itself, the interaction of runoff and tidal current, and the density gradient caused by saltwater intrusion.
科氏力、径潮流相互作用及盐水入侵导致的密度梯度是形成环流的主要原因。
when laser beam is incident on an inhomogeneous isotropic plasma, the variations in density profile perpendicular to main density gradient may develop, producing a rippling of critical surface.
当激光入射到非均匀的各向同性等离子体时,垂直于主密度梯度方向的密度分布会发生变化,使临界面呈现波纹。
with the two methods the homogenous green bodies without density gradient and high density sintered ceramic bodies can be gained.
利用这两种成型技术可以获得均匀、无密度梯度的近凈尺寸坯体和致密陶瓷制品。