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It had been shown that hybrids have significant midparent heterosis and dominant effect, hybrid growth response to submergence was controlled by the parents, but the effects of restorer lines were stronger than CMS lines, e.

对生产上主栽的三系杂交组合及其与亲本淹涝能力的关系进行了比较研究,确定杂交稻的淹涝能力的平均优势明显,显性效应为主。

Methods LYS polymaccharides were isolated from Millettia Pulcha Kurz vur,LaxiorZ.Wei.After the mice were treated P.O with LYS polymaccharides0.425g/kg,0.85g/kg,1.70g/kg for8days continually,the effects of the swimming time,resist anoxic time and resist heat time were investigated,theactivity of serum SOD and GSH-Px and the content of MDA were determined.

从龙眼参提取粗多糖,按0.425g/kg、0.85g/kg、1.70g/kg连续给小鼠灌胃8天,观察不同剂量对小鼠游泳时间、缺氧时间、高温时间及血清SOD、GSH-Px和MDA含量的影响。

Under the consideration of moneysaving and timesaving, a feasible way is to restrength damaged buildings instead of reconstruction. This research is based on a detail assessment process provided by the Ministry of the Interior. According to the basic requirement for structure design on strong column and weak beam, the restrength design will be studied.

本研究系以内政部建筑研究所所发表之「既有钢筋混凝土建筑物震能力评估手册」之详细评估法为基础,根据强柱弱梁之基本需求及梁柱不同之韧性表现,探讨震能力不足之现有建筑物补强设计之量化及选择补强位置之基本逻辑。

The coefficients of the function were determined by multivariant stepwise linear regression. Effect of alloying elements was quantitatively demonstrated.

磷、铜提高钢的大气腐蚀性能;硫急剧降低钢的大气腐蚀性;硫、磷含量在很小范围内即有明显作用。

However, this approach conferred the resistance to not only myelopoietic cells but also tumor cells that have invaded or metastasized into bone marrow or circulating blood for nonspecific expression of the exogenous genes.

详细骨髓造血细胞中导入辐射基因是克服放化疗对造血系统抑制作用的有效手段,但外源基因的非特异性表达也增加了残存在血液或者侵犯至骨髓中的肿瘤细胞受性。

High temperature resistant compound needled filter felt is developed ourselves in 1997, and has since been put on the market.

高温复合针刺毡是我公司1997年研制, 1998年批量投放市场的一个高温新品种。

Human disturbance can increase number of species with high tolerance to trampling and other pressure. It has less effect on evenness and species richness.The interspecific association and correlation of 26 dominant species of the Vitex negundo L.

在旅游和居民生活的双重干扰下,多样性指数随干扰强度的增加而降低,促进了践踏、早种类的发展,对均匀度和物种数影响不大。

Objective To study the relationship between the expression of mtrF gene and high-level multiple resistant Neisseria gonorrhoea.

目的 探讨mtrF基因在多重药淋球菌中的表达及其与高水平多重药淋球菌的关系。

ABSTRACT: Objective To study the relationship between the expression of mtrF gene and high?level multiple resistant Neisseria gonorrhoea.

目的 探讨mtrF基因在多重药淋球菌中的表达及其与高水平多重药淋球菌的关系。

Objective: To investigate the antibiotic resistance and the epidemic situation of penicillin and tetracycline resistance plasmids of Neisseria gonorrhoeae in Changsha area.

目的:了解长沙地区淋病奈瑟菌对抗生素的敏感性以及青霉素和四环素性质粒的流行情况。

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She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了,但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场,你等着挨绳子吧!

Several theories about reigniting and extinguishing of the arc have been refered.

本文综合考虑了几种电弧重燃和熄灭理论。