Research of relationship of sperm concentration of trace element and azoospermia, sperm activity ratio in male patients with infertility 精液中微量元素与精子活力、活动率的研究
Objective: To observe the effect of gardnerella vaginalis on sperm activity and ratio of forward motile sperm in vitro. 目的:探讨分步射精法在人精子优选技术中提高前向运动精子回收率的有效性。
Chromogenic peptide substrate analytical method was used to detect plasma tissue plasminogen activator ( t-PA), tissue plasminogen activator inhibitor ( PAI) activity and ratio of P/ t. 采用发色底物分析法检测血浆组织型纤溶酶原激活剂(t-PA)及其抑制物(PAI)的活性及P/t比值。
Research on Fault Activity Ratio and Its Application 断层活动速率研究方法及应用探讨
Objective To establish a way to measure intake of radionuclides and estimation of committed effective dose based on gamma spectrometry analysis. The result of determination of 241Am/ Pu alpha activity ratio is consistent with that obtained from gamma spectrometry. 目的建立一种基于γ能谱分析的放射性核素摄入量和待积有效剂量估算方法。该测定结果与用NaI(TI)γ能谱法测定的结果相一致。
Determination of  ̄( 241) am/ pu α activity ratio in plutonium material using α spectrometry α能谱法测定Pu材料中~(241)Am/Puα活度比
After the comparison of the effect of all kinds of enzyme, complex-enzyme ( cellulase, pectinase in line with their activity ratio of 3 ∶ 1) was selected. 试验对各种酶的作用效果进行了比较,确定采用纤维素酶、果胶酶按活力比3∶1配方的复合酶处理效果较好;
In the 30th day, serum TG, TC concentrations and plasma PAI activity kept high level, plasma TXB2 concentration, tPA activity and ratio of tPA/ PAI in plasma were lower in DEX group than in control group. PLT was normal. 实验第30天,血清TG、TC、血浆PAI活性仍然保持高水平,血浆TXB2含量、tPA活性、tPA/PAI比值明显低于对照组,血小板数量恢复正常。
Clinical Significance of Semiquantitative Analysis of Femoral Head/ Shaft Activity Ratio with Radionuclide Bone Imaging 放射性核素骨显像股骨头/干比值半定量分析的临床意义
Although the commercial production of Taq DNA polymerase has come true for many years and a lot of technique improvement has been made, the activity ratio of the enzyme preparation is not high, some methods of procedure too complicated, or the production cost is high. 虽然taqDNA聚合酶已经商品化生产多年,制备方法较多,但是目前一些方法生产的酶制剂比活性不高,而一些方法又过于繁琐,增加生产成本。
Conclusion Protective function of quercetin on the intestinal mucosa of burned rats may rely on regulating the activity ratio of COX 1/ COX 2, reducing PGE 2 degradation and maintaining proper PGE 2 level. 结论Que有可能通过调节大鼠肠粘膜COX1COX2酶活性比率,降低PGE2降解速率,维持适当水平的PGE2,而发挥粘膜保护作用。
Results: After puncturing Zusanli, the slow wave amplitude variey percentage, slow wave high activity period ratio, number of fast wave clusters of EGG became increased, and the contents of MTL, SP in gastric antrum and plasma were higher. 结果:针刺足三里使大鼠胃电慢波振幅变化率、高活动相时程比及快波峰簇数增高,血浆及胃窦组织内MTL、SP升高。
Activity ratio K a ( a ratio between the amount of soluble SiO 2 and soluble Al 2O 3 in saturated CaO solution and total amount of SiO 2 and Al 2O 3 of that material) of pozzolanic material was determined by method of boiling circumfluence. 用加热回流的方法测定了不同火山灰材料的活性率Ka(在饱和石灰水中反应的SiO2和Al2O3总量占该材料全部SiO2和Al2O3总量的百分比)。
The finite diffusion model of CME was established, the activity coefficient ratio, the diffusion coefficient correction factor and the kinetic parameter were introduced and evaluated. 建立了CME的有限扩散理论模型,引入了活度系数比、扩散系数校正因子及动力学参数等。
SOD was modified by a series of PEG with cyanuric chloride method and modification ratio and activity remaining ratio of SOD were measured. 采用氰尿酰氯的方法,使用各种分子量的聚乙二醇修饰SOD,进行了修饰率和修饰活性残余率的测定。
Two methods of determinating the 242Cm/ 241Am activity ratio in plutonium samples irradiated by thermal neutrons are studied. They are applied successfully in the sample analysis of underground nuclear tests. 研究了测定受热中子辐照的钚样品中~(242)cm/~(241)Am放射性活度比的两种方法,并将其成功地应用于地下核试验样品的分析中。
The paper describes three determination methods of alpha activity ratio used at our laboratory, namely geometric progression method, extrapolation method and curve fitting method. 采用了3种α放射性比的测定方法:几何级数法、外推法和曲线拟合法。
The determination of the~ ( 242) cm/~ ( 241) am activity ratio in plutonium samples irradiated by thermal neutrons 受热中子辐照的钚样品中~(242)cm/~(241)Am活度比的测定
Results show that, under this experimental condition, isolated mitochondria have high respiratory activity and ratio of ADP/ O. The intactness of isolated mitochondria is about 70 per cent. 结果表明,经两次低速离心和两次高速离心,分离所得线粒体具有较高的呼吸活性和ADP/O比值,线粒体完整率达70%左右。
The endothelial cell density and activity ratio were similar after different preservation methods. 结果1、经不同方法保存后的各组大鼠角膜内皮细胞密度及活性率相似。
Then corn peptide was decolorized by AB-8 macroporous adsorption resin. The decolorization rate was 61.43% and the nitrogen recovery rate was 82.73%. ( 3) The antialcoholism activity of hydrolyzate was tested by the activity ratio of alcohol dehydrogenase. 同时利用大孔吸附树脂AB-8对玉米肽液进行脱色处理,脱色率为61.43%、氮回收率82.73%。
Through different periods in different parts of the ALS activity assay showed its activity in the early flowering has declined, and flowering period down to the lowest, and then to return to control values of flowering buds, which the ALS activity decreased ratio greater than blade. 通过不同时期不同部位的ALS活性测定显示其活性在初花期已经下降,至盛花期时下降到最低,而后到盛花期恢复接近对照值,其中花蕾的ALS活性下降比例大于叶片。