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Abstract: The subject is reviewed on the value of low chilling peach and nectarine varieties,breeding history,breeding characters,genetic background,breeding objective and introduction of the advanced varieties as well as the breeding objective in China.
中文意思:
文摘:从短低温桃、油桃品种的价值、育种历史、特点、遗传背景、主要育种目标和优良品种介绍等方面概述了短低温桃品种的研究进展,提出了我国短低温桃育种的目标。


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Abstract: The structure and the properties of the grinding ball made of the composite cast iron have been researched in this paper.The result indicates that added trace boron and a proper quantity copper to this kind of composite cast iron can increase it文摘:研究了一种复合铸铁磨球的组织和性能,结果表明,化学成分和淬火工艺对这种复合铸铁磨球的组织和性能有很大影响,微量的硼和适量的铜可以明显地提高磨球的淬透性,经过余热淬火得到贝氏体或马氏体基体组织,从而提高磨球的硬度和冲击韧性。
Abstract: The structure static analysis of jack-up platform"Ganghai No.1"is carried out by using finite element method.This work includes the optimization of the structure calculation model,the analysis of the calculating result and the predicti文摘:介绍了利用有限元法对“港海一号”自升式钻井平台进行结构静力分析的情况,其中包括计算模型的优化,静力分析揭示的平台结构内力分布特点,以及对平台强度刚度的准确预报等。
Abstract: The structures of the school physical education teaching contents,such as the structures of physical fitness sport,competitive sport,health protection sport and the structure of knowledge,methods and technique as well as the arrangement structur文摘:通过对学校体育教学内容的健身体育、竞技体育、保健体育结构,知识、方法、技术结构以及不同学段层次性结构进行了研究,旨在从新的视角探讨学校体育教学内容的结构,防止在体育教学改革中,对体育认识的片面性、单一化,影响学校体育整体功能的实现。
Abstract: The study of Pingwu cattle――The ecological factor of the main place of origin,its appearance,its body measurements and the comparison with other cattle breeds in Sichuan,Shows that,in body measurements,appearance,and body measurements index,Ping文摘:对平武黄牛主产区生态条件的调查、外貌的观察和体尺的测定,与四川现有黄牛地方品种的比较分析,结果表明平武黄牛在体尺、外貌、体尺指数等方面有别于其它黄牛品种,是川西北山区良好的役用型黄牛种群,具有向役肉兼用型方向发展的优良特性。
Abstract: The subject build is a focal point of hospital technology build.文摘:学科建设是医院技术建设的着眼点。
Abstract: The subject is reviewed on the value of low chilling peach and nectarine varieties,breeding history,breeding characters,genetic background,breeding objective and introduction of the advanced varieties as well as the breeding objective in China.文摘:从短低温桃、油桃品种的价值、育种历史、特点、遗传背景、主要育种目标和优良品种介绍等方面概述了短低温桃品种的研究进展,提出了我国短低温桃育种的目标。
Abstract: The summarization and tromsformation of the heattreatment circle of Shanghai are dwelled shorty upon in this paper as well as the forecast of market.The plan and proposal of the trade plan are presented as well.文摘:简要分析了上海市热处理行业概况,热处理行业发生的变化,市场预测与需求,提出了行业规划思路和目标建议等。
Abstract: The surface defects of silver coins was analysed with augerelectron spectroscopy (AES), Scanning electronic microscope (SEM) and energy dispersive spectrum (EDS).文摘:采用扫描电镜、能量色散谱和俄歇电子能谱检测方法,对银币表面缺陷进行了分析。
Abstract: The synthesis,adsorptive properties and some other mechanical properties of a kind of high water-adsorbing fiber were studied,paper made from this high water -adsorbing fiber beaten with 80%(wt) cotton,demonstrated that the fiber had rap id adso文摘:本文报道了一种高吸水纤维的合成、吸水性能及其部分物理机械性能,并利用这种高吸水纤维与纯棉纤维按1:4的比例进行混合打桨而制成一种高吸水纸,对这种吸水纸也进行了吸水性能及部分机械性能的测定,结果表明所合成的高吸水纤维对蒸馏水,自来水及人工尿液的吸附速度快,吸收量高,并且可在一定的压力下保持较高的吸水量,还可以与棉纤维混合成纸。
Abstract: The synthesis,characterization,reaction mechanism and progress in indus try of ethylene/propylene elastomer with metallocene catalysts were discussed,Th e metallocene catalytic systems and the structure and properties of the elastome r were intr文摘:论述了茂金属乙丙弹性体的合成、表征、反应机理及工业化进程,着重介绍了茂金属催化体系和茂金属乙丙弹性体的结构和性能。
Abstract: The synthetical evaluation method in fuzzy mathematics is appliedto evaluate the working level of the quality control station, the evaluation indexes system is put forward and the weight of each factor is determined by using AHP, the fuzzy synth文摘:应用模糊数学的多层次综合评判法,对质控室工作水平进行了研究,提出质控室综合评价的指标体系,运用层次分析法确定各个因素的权重,并建立模糊综合评价的数学模型,结合实例进行了分析。
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