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The process of human Y-immunoglobulin adsorption onto an immobilized protein A hollow fiber membrane was taken as an example.
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以人γ─免疫球蛋白在A蛋白为配基的亲和膜上的吸附为例，分析了所有亲和吸附位点的反应速度常数都一致的均一吸附和存在两种亲和吸附位点、反应常数不同的非均一吸附两种情况并建立了相应的模型。 |
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To investigate the role of VEGF in angiogenesis associated with development of breast cancer, a sense VEGF and an anti-sense VEGF expression pla.
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以人乳腺癌细胞株MCF 7为研究对象 ,通过构建有义与反义血管内皮生长因子 (VEGF)基因表达质粒 ,并转染MCF 7细胞 ,建立了高与低水平表达VEGF的细胞克隆。 |
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In order to obtain optimum condition,orthogonal test and HPLC were carried out to determine the trigonelline contents of Trigonella foenum-gracum L.
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以筛选胡芦巴炮制最佳工艺为目标,采用正交试验并利用高效液相法HPLC(High Performance Liquid Chrcmatography)对不同炮制程度的胡芦巴进行胡芦巴碱的含量测定,筛选出在实验室条件下的最佳工艺A2B2C1。 |
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The result shows that:the soil quality grows with the planting and growing of artificial vegetations,but they have great differences as every plot has the different vegetations in coverage and types.
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以陕北农牧交错带为研究对象,通过对不同人工植被下的土壤机械组成、土壤养分、土壤微生物、土壤酶活性的变化进行分析,得到不同植被对土壤质量的影响结果。 |
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Through UV mutation,we got the mutant BU-215 whose productivity of ε-polylysine was 0.
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以实验室筛选的一株白色链霉菌B-215为出发菌株,采用紫外诱变的方式对其进行菌株选育。 |
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In order to improve the lipase activity of the Rhizopus oryzae strain which is used for producing biodiesel fuel,ultraviolet mutation is employed in this research.
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以提高全细胞生物催化制备生物柴油 |
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The optimum hydrolytic conditions of celluase were also investigated and identified enzyme 1.
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以提取率为指标,分别考察了浸提剂倍数、酶解pH、温度、时间、加酶量对果胶酶或纤维素酶酶解反应的影响。 |
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Several chitosan membranes with different molecular weight of 220000,350000,500000,680000 Da and different D.
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以相对分子质量分别为220000,350000,500000,680000道尔顿的壳聚糖以及脱乙酰度分别为90%,94%,95%,97%的680000道尔顿壳聚糖制备壳聚糖膜,研究各膜的结晶性、力学特性、溶胀性、纯水通量及截流率等性能。 |
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So,the conclusion is that the larch seeds can not be identified by immunoserology when glutelin serve as anyigen.
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以兴安落叶松、华北落叶松、长白落叶松和新疆落叶松种子的谷蛋白作为抗原进行了双扩和免疫电泳分析,结果表明4种落叶松间的抗原距离为零,提示这4种落叶松种子不能用谷蛋白的免疫血清学方法得以鉴别。 |
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The paper expounds on the necessity of training of evidence-based medicine(EBM) thinking in clinical medical education based on the nature of EBM and the fundamental differences between EBM and traditional medicine.
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以循证医学本质为基础,以传统医学与循证医学的根本区别为出发点,探讨临床医学教学中循证医学思维培训的必要性。 |
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Effect of drought stress on chlorophyll fluorescence and leaf water potential of one-year-old seedlings of the native tree species Machilus yunnanensis from Yunnan Province and the introduced tree species Cinnamomum camphora was studied.
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以一年生云南乡土树种滇润楠和引进外来树种香樟幼苗为试验材料,研究不同程度的水分胁迫对二树种幼苗叶绿素荧光和叶水势的影响。 |
