研究表明断层形态会影响动态应力，认为地震触发的位置与孕震体边界形状有关。
Study suggests that triggering position should be relied on the boundary shape of a rock body.
目的探讨染色体平衡易位与异常孕产的关系。
Objective To investigate the relationship between balanced chromosomal translocation and abnormal pregnancy.
结论孕中期应用母血清生化指标进行产前筛查，结合产前诊断是减少染色体异常患儿出生的有效方法。
Conclusion: it's effective to decrease the birth of fetal chromosomal abnormality by undergoing prenatal screening and diagnose with mother serum biochemical indicator in the second trimester.
方法采用外周血淋巴细胞培养和染色体G显带分析，对612对有异常孕产史的夫妇进行染色体检查。
Methods Chromosomal analysis was made in 612 married couples with a history of abnormal pregnancy outcome by peripheral lymphocytes culture and G-banding.
结论异常孕产史不但与染色体畸变有关，与染色体多态性也有关联。
Conclusions Abnormal pregnancy-labor history is not only associated with chromosome aberration, but also with chromosome polymorphism.
硫化孕烯醇酮是脑内含量最为丰富一种神经甾体。
Pregnenolone sulfate (PREGS) is one of the most abundantly produced neurosteroids in the brain.
完整岩体压剪破裂失稳是构造地震的另一种可能孕震机制。
The fracturing of initial rock mass is another mechanism of tectonic earthquake.
目的探讨神经甾体硫化孕烯醇酮对老年大鼠学习和记忆能力的影响。
Objective To investigate the effects of pregnenolone sulfate on learning and memory in aged rats.
其中超声示胎儿异常组染色体异常检出率（33.33%）明显高于21-三体高风险组（4.54%）、不良孕产史组的检出率（9.09%）（P<0.05）。
The detection rate of the chromosomal abnormality of the abnormal fetus detected by ultrasound (33.33%) was higer than the trisomy 21 high risk group(4.54%) and abnormal delivery group(9.09%)(P<0.05).
目的探讨染色体平衡易位与异常孕产的关系。
Objective To investigate the relationship between balanced chromosomal translocation and abnormal pregnancy outcomes.
这种强震加速活动特征可以用含多个震源体的孕震系统的强震成组活动模型给予解释。
The character of earthquakes can be explained by a group of strong earthquake activities accelerative of a system which includes many seismic sources.
本文对城市洪涝灾害的承灾体、致灾因子、孕灾环境的作用机理进行了分析。
The synthetic effects of the suffered body due to disaster, factors leading to disaster and environment forming disaster on urban flood disaster are investigated.
腾冲火山区的微震活动分布、地震强度、及震源深度特征所表现的现象可能与地下岩浆体活动相关，显示了与火山热物质孕震机理有关的明显特征。
Therefore, the features of distribution of microseisms, magnitude and depth are probably related to the activity of magma body, which show mechanism of hot volcanic matter.
洪涝灾害是孕灾环境、灾害性洪水和承灾体相互作用的结果。
Floods and water logging is the consequence of the interaction of Hazard-formative environment, Disastrous flood and Bodies bearing disasters.
结论染色体异常是导致不良孕产史的重要原因。
Conclusion The abnormality of chromosome is one of the basic reasons of disfavorable pregnancy.
新型金刚石碎岩刀头，由含有金刚石的孕镶层和纯胎体层相间组成。
The new diamond cutter for fracturing rock consists of pregnant layers containing diamond and pure metal matrix layers alternately.
通过近二十年的生产实践，从胎体配方等八个方面提出提高绳索取芯孕镶金刚石钻头寿命的方法。
With 20 years'production practice, the writer proposes the methods of improving the service life of wire - line impregnated diamond drilling bits from 8 aspects.
本文应用灾害学的理论和观点，对灾害形成的致灾因子、孕灾环境和承灾体等要素分层分析，明确各影响因子的作用及其相互关系。
Factors causing calamity, calamity environment and animal husbandry were analyzed by using theory of calamity study step by step to identity the function and interaction among the factors.
方法：取试管婴儿助孕技术后未能受精成功的卵细胞，采用多色荧光原位杂交方法检测卵细胞13，16 ，18，2 1和2 2号染色体的情况。
Methods:Multicolor fluorescence in situ hybridization (M-FISH) was applied to check the chromosome status in oocytes for chromome 13,16,18,21 and 22.
方法：取试管婴儿助孕技术后未能受精成功的卵细胞，采用多色荧光原位杂交方法检测卵细胞13，16 ，18，2 1和2 2号染色体的情况。
Methods:Multicolor fluorescence in situ hybridization (M-FISH) was applied to check the chromosome status in oocytes for chromome 13,16,18,21 and 22.
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