cross fertilization是什么意思

网络释义

用法例句

Immunogenicity and protective efficacy of galE mutant vaccine in mice;

空肠弯曲菌galE变异株免疫原性及免疫保护性评价

This study is to establish a method to investigate the distribution of the HBsAg mutant at nt551 among hepatitis B patients in China.

为了调查HBV基因组nt551位变异株在乙型肝炎患者中的分布，共收集HBV血清学诊断阳性且肝功能异常的乙型肝炎患者血清标本362份，用巢式PCR方法扩增到117例HBV S基因阳性的标本。

Screening Trichoderma REMI mutants for controlling melon wilt;

防治甜瓜枯萎病木霉菌REMI变异株筛选

Studies on the Chemical Constituents of Urtica dioica L.Grown in Tibet Autonomous Region;

西藏产异株荨麻化学成分的研究

Analysis on Contents of Flavonoids and Polysaccharides in Urtica dioica L. and its Different Processed Products;

异株荨麻不同炮制品中总黄酮和多糖的含量分析

Study on Methods of Determining the Content of Flavonoids in Stems and Leaves of Urtica dioica L.;

异株荨麻茎叶中黄酮类化合物含量测定方法的研究

Study on Immunuogenicity of HPV 16 E7 Variant;

人乳头瘤病毒16型E7变异株免疫原性研究

Study on bivalent attenuated vaccine of infectious bursal disease virus variants;

传染性法氏囊病病毒变异株二价弱毒疫苗的研究

A Hepatitis B Virus Variant with an Ile to Ser Mutation at aa126 of HBsAg;

乙型肝炎病毒的表面抗原126位Ilie→Ser变异株

Objective:To explore the possibility of a YMDD mutations in the lamivudine untreated patients with chronic hepatitis B.

结论 :显示在未经抗病毒治疗的慢乙肝患者中存在YMDD变异株 ,其与野生株一样是自然存在。