in this study, hafs cells were isolated from human amniotic fluid at the 2nd or 3rd trimester of gestation. effects of the characteristics of amniotic fluid on the culture of hafs cells were evaluated and culture system were established.

1、

conclusion: the combination of the serum biochemistry results of afp and free beta-hcg can be useful markers to detect down's syndrome and can decrease 5.40 ‰ of congenital fetal malformation.

结论：孕中期血清AFP、Free-βhCG2项血清标志物联合检测，作为筛查胎儿先天缺陷可行，能降低先天缺陷患儿出生率5.40‰。

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2、

objective: to investigate the possibility of human fetal mesenchymal stem cells ( mscs) derived from second-trimester amniotic fluid being induced into adipocytes.

目的：研究体外诱导孕中期羊水来源胎儿间质干细胞（MSCs）分化为脂肪细胞。

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3、

it can effectively reduce the false positive rate and increase the positive predictive value by using the tianjin median values system.

利用已建立的天津地区孕中期DS筛查人群中位数系统进行筛查，可以有效降低假阳性率，提高阳性预测值。

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methods amniocentesis was employed to detect amniotic cells collected from 342 pregnant women with high-risk prenatal diagnosis indications.

方法：对342例具有产前诊断指征高风险孕妇抽取孕中期羊水细胞培养，制备中期细胞染色体，G显带分析。

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5、

clinical study on associations between second trimester maternal serum biochemical markers and adverse pregnancy outcomes

孕中期母血清生化指标的异常和不良妊娠结局关系的临床研究

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6、

the economic exploration of applying virtual scientific research organization to our national defense scientific research industry

虚拟科研组织应用于我国国防科技工业的经济学初探

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7、

practice and exploration in the building of national defense mobilization system of new china

新中国国防动员体制建设的实践与探索

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analysis of the transaction cost in the national defense scientific research investment system

制度成本理论框架下我国国防科研投资体制浅析

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application of fuzzy synthesis method to technology team performance appraisal in national defense industry

模糊综合评价法在国防科技创新团队中的应用

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on the national defense basic law of some countries around the world

世界若干国家国防基本法评析

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negative effects of non-state-owned enterprises entering national defense industry and countermeasures

非公有制企业进入国防工业领域的消极效应及其化解对策

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12、

measures for the granting of scientific and technological awards of national defense [effective]

国防科学技术奖励办法[现行有效]

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regulations on national defense mobilization of civil transport resources [effective]

民用运力国防动员条例[现行有效]

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confusedly order impairs the interests of the state and threatens national defense security;

无序开发损害国家权益，威胁国防安全；

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15、

civil air defense office of chongqing national defense mobilization committee (chongqing civil air defense office)

重庆市国防动员委员会人民防空办公室（重庆市民防办公室）

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x. promoting spiritual civilization, improving democracy and the legal system, and strengthening national defense

十、加强精神文明和民主法制建设，加强国防建设

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consideration about increasing the possible size of the national- defense economy

关于提升国防经济可能规模的思考

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an exploration into several issues concerning national defense education in higher education under new circumstances

关于新形势下高校国防教育若干问题的探讨

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optimized design of physical education teaching contents for students majoring in national defense in institutes of higher learning

高等学校国防生体育教学内容的优化设计

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study on america depends on local universities training high quality national defense talents

美国依托地方普通高校培养高素质国防人才研究

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