目的：探讨双胎儿童的产次、出生体重与脑瘫发病率之间的关系。
Objective: To explore the relationship between cerebral palsy and the parity, birth weight in twins.
结果双胎妊娠妊娠期、产时和产后并发症多于单胎妊娠，胎位是决定分娩方式的主要因素。
Results Twin pregnancy had more complications than singleton during in labor and puerperuim Conclusions Antenatal care should be enhanced in twin pregnancy.
本文首次采用碘释放法发现双束脉冲超声辐照的空化产率增强效应。
This treatise first reveals the enhancement of cavitation yield of bi beam ultrasound irradiation.
四氢萘加氢裂化反应的关键步骤和双环化合物裂解的转化率以及单环化合物的产率与两种催化剂担体的酸性及反应温度有关。
The key steps of hydrocracking of tetralin, the conversion of double ring compounds and the yields of mono-ring compounds were affected by the reaction temperature and the acidity of two catalysts.
研究了恩施双河产玉米中硒的赋存形态、分布及含硒大分子的提取分离技术。
Study the combined forms and distribution of selenium, the extraction and separation technology of macromolecule containing selenium in corn of Shuanghe of Enshi city.
目的：探讨双胎儿童的产次、出生体重与脑瘫发病率之间的关系。
Objective: To explore the relations between cerebral palsy and the parity, birth weight in twins.
用该氧化树脂氧化双溴代物可得到良好产率的单醛；
The oxidizing resin had the property of oxidizing primary alkyl iodides, alkyl bromides, allylc and benzylic halides to aldehydes and excellent yields were obtained.
以小鼠粪便中的双歧杆菌、乳酸杆菌、肠杆菌和产气荚膜梭菌数量及肠系膜淋巴结、脾脏细菌移位为检测指标。
Intestinal flora including Bifidobacteria, Lactobacilli, Enterobacteriaceae and Clostridium perfringens in the feces and bacterial translocation in mesenteric lymph nodes and spleens were detected.
2PGL高强力双齿辊破碎机投入运行以来，不仅满足了洗选工艺对粒度的要求，也提高了精煤产率，创造了较高的经济效益。
Using ZPGL high-strength double toothed roll breaker not only satisfied with size demand for washing processing, but also improve cleaning coal rate and creates higher economy benefit.
2PGL高强力双齿辊破碎机投入运行以来，不仅满足了洗选工艺对粒度的要求，也提高了精煤产率，创造了较高的经济效益。
Using ZPGL high-strength double toothed roll breaker not only satisfied with size demand for washing processing, but also improve cleaning coal rate and creates higher economy benefit.
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