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genetic problems
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  成因问题
     Organic Geochemistry of the Bijiashan Lead-Zinc Deposits(Ⅰ):Features of the Soluble Organic Matter and Discussion on Several Genetic Problems of Ore Deposits
     毕家山铅锌矿床有机地球化学研究(Ⅰ):可溶有机质特征与矿床若干成因问题探讨
短句来源
     THE METAMORPHISM AND GENETIC PROBLEMS OF ECLOGITES FROM MTS. HONGTUSHAN AND QINGLONGSHAN OF THE DONGHAI REGION, JIANGSU PROVINCE
     江苏东海红土山、青龙山榴辉岩的变质作用和成因问题
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  “genetic problems”译为未确定词的双语例句
     Some Genetic Problems in Plant Breeding
     植物育种中的几个遗传问题
短句来源
     Relationship between physical traits of kernel and its weight in corn were studied by path coefficient analysis. Their genetic problems were discussed by analysis of combining ability.
     利用通径分析研究了玉米籽粒几个物理性状与粒重的关系,通过配合力分析研究了它们的遗传。
短句来源
     Relationships among agronomical traits of husk in maize were studied by correlation coeffrcient analysis Their genetic problems were discussed by analysis of combining ability.
     利用相关分析研究了玉米成熟果穗苞叶的几个农艺性状的相关性 ,通过配合力分析研究了它们的遗传规律。
短句来源
     Based on the research achievements for over 40 years obtained by Rice Institute, Shenyang Agricultural University, the authors comprehensively analyzed the theory and practice for super high yield breeding of northern japonica rice in terms of crossing between indica and japonica, creation of new plant type and development of new varieties. Physiological and genetic problems in super high yielding rice were discussed. Breeding of super high yielding new plant type of rice is a key for realizing the third breakthrough at rice yield.
     以沈阳农业大学水稻研究所40多年来的研究成果为主,从籼粳稻杂交、新株型创造及新品种选育等方面综合评述了北方粳稻超高产育种理论与实践研究进展,讨论了水稻超高产有关的生理与遗传基础问题,指出新株型超高产育种是实现水稻单产第三次飞跃的重要途径。
短句来源
     Physiological and genetic problems relevant to japonica super rice breeding were also dis- cussed in this paper.
     讨论了与超级粳稻育种有关的生理和遗传问题。
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  相似匹配句对
     Problems
     问题
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     The genetic
     用等电聚焦免疫固定技术调查成都地区汉族群体Bf的遗传多态性。
短句来源
     Solving Scheduling Problems with Genetic Algorithm
     用遗传算法求解调度问题
短句来源
     Genetic Algorithm and Its Application to Water Problems
     遗传算法及其在水问题中的应用
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     C-Transportation Problems
     C运输问题
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  genetic problems
Evolutionary and genetic problems of animal and human behavior
      
In the second study, 156 practicing genetic counselors and 89 genetic counseling students solved slightly modified versions of the genetic problems used in Study 1.
      
In the first study, 220 undergraduates attempted to solve four genetic problems-two common heuristic problems modified to focus on genetic likelihood, and two created to study heuristics and probability rule application.
      
Genetic counselors were found to be less likely than the other groups to consider the frequency of birth defects/genetic problems as rare and were 10 times more likely than nurses and 8 times more likely than teachers to have had prenatal diagnosis.
      
Survey participants completed a written questionnaire designed to assess their numeric estimate of the empiric risk for birth defects/genetic problems, their subjective perception of this risk, and their personal use of prenatal diagnosis.
      
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304 samples of umbilical cord blood had been cultured and studied by G-banding. One case was found with karyotype 46, XY, inv (15) (p13q15), (1/304, 0.33%), one with elongation satellite of D group (0.33%), and two other cases with elongation satellite of G group (0.66%). Chromosomal screening of new born babies may give the incidenec of chromosomal aberration, and discover family carriers of translocation, and suggestions about genetic problems may be given to such families.

本文作了304例新生儿脐血培养及染色体G带核型分析,发现1例常染色体异常,为46,XY,inv(15)(p 13 q 15),发生率为0.33%;1例D组随体延长,D组变异发生率为0.33%;2例G组随体延长,G组变异发生率为0.66%。新生儿染色体普查,可以了解异常的发生率,并发现易位携带者的家庭,以便给予遗传方面问题的指导。

In this thesis, genetic problem about lead-zinc deposit along Panxi rift is discussed by means of studying the content of trace elementsand the crystal-chemistry characteristics of galena. Elements with direct sense of genesis are Bi and Sb.On the basis of quantitative analysis of trace elements in galena, it is suggested that: when ratio Bi/Sb>1000 in galena,it is medium-high temperature hydrothermal type. And when ratio Bi/Sb

In this thesis, genetic problem about lead-zinc deposit along Panxi rift is discussed by means of studying the content of trace elementsand the crystal-chemistry characteristics of galena. Elements with direct sense of genesis are Bi and Sb.On the basis of quantitative analysis of trace elements in galena, it is suggested that: when ratio Bi/Sb>1000 in galena,it is medium-high temperature hydrothermal type. And when ratio Bi/Sb

本文主要从方铅矿中微量元素的含量和晶体化学的一些特征来讨论攀西裂谷带铅锌矿床的成因。方铅矿中具有成因指示意义的元素是Bi和Sb,研究表明,在方铅矿中Bi/Sb>1000时,其成因为中—高温热液类型,在Bi/Sb<1时为低温型或层控式。因此可根据该比值来确定矿床成因类型及成矿温度。Bi和Sb在方铅矿中替代Pb时,方铅矿晶格有缺位,这一晶体化学特征可解释在方铅矿中Ag与Bi、Sb含量间不一定呈正相关。

Relationship between physical traits of kernel and its weight in corn were studied by path coefficient analysis. Their genetic problems were discussed by analysis of combining ability. The results indicated that kernel weight depended chiefly upon its width, and secondly, upon kernel length and depth. Width, length aud depth of kernel volume could be improved by selection of parents to increase kernel weight in corn breeding.

利用通径分析研究了玉米籽粒几个物理性状与粒重的关系,通过配合力分析研究了它们的遗传。结果表明,粒重主要取决于粒宽,其次才取决于粒长和粒厚。粒宽、粒长、粒厚主要受加性基因效应的控制。因此,通过亲本选择改良籽粒体积,可以增加玉米的产量。

 
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