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Abstract: Purpose:To investigate the diagnosis,treatments and prognosis of adrenal cortical carcinoma in children.Methods:Data of 2 cases of adrenal cortical carcinoma in chidren were analyzed retrospectively about their diagnosis and treatments.Results:2
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文摘:目的:探讨儿童肾上腺皮质癌的临床特征及其诊断、治疗和预后.方法:对2例儿童肾上腺皮质癌患者均行手术治疗,并对其发病及诊治过程进行分析.结果:2例肾上腺皮质癌中,1例为柯兴综合征表现,1例为无功能性、小腿软组织肿块表现.结论:儿童肾上腺皮质癌生长迅速,可直接播散.无功能性肾上腺皮质癌症状隐蔽,早期诊断、及时治疗对改善预后起决定性作用. |
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Abstract: Purpose： To investigate the efficacy of the vasovasotomy without stents.
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文摘:目的：探讨不用支撑物输精管吻合术的疗效。 |
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Abstract: Purpose：To study the relationship between pathogenic bacteria of sperm culture in chronic bacterial prostatitis and their resistance to antibiotics.
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文摘:目的：研究慢性细菌性前列腺炎精液培养病原体及其对抗生素的耐药性。 |
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Abstract: Pushing force calculation and main motor capacity calibration are conducted for the three push bench pipe mills currently used in the country.
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文摘:对我国现有3套顶管机进行了顶推力计算，对主电机容量进行了校验。 |
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Abstract: Quality of the external purchase equipment is the mai n factor that influence the quality of initiating explosive device.
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文摘:火工品用外购器材的质量问题是影响产品质量的重要因素。 |
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Abstract: Quantitative genetic variation in larval tolerance to cyhalothrin and fenvalerate was examined in a pyrethroid-resistant population of cotton bollworm, Helicoverpa armigera (Hübner) was examined with half-sibling analysis and significant ad
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文摘:通过单对交配设计不同的交配家系,采用半同胞法分析了棉铃虫对三氟氯氰菊酯和氰戊菊酯的抗性狭义遗传力,并对2种菊酯类药剂的抗性发展速度进行评价。 |
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Abstract: Quantum chemistry can solve problems which are not settled with conventional theory and method.The fundamental theory of quantum chemistry and SCC-DV-Xα method are introduced.The advances of quantum chemistry in cement chemistry field in recent
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文摘:量子化学能解决许多用传统理论和方法所不能解决的材料科学问题，本文介绍了计算量子化学的基本理论及SCC-DV-Xα方法，综述了近三年来量子化学在水泥化学领域应用的研究进展。 |
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Abstract: Recent advances in asymmetric hydrosilylation of prochiral carbonyl compounds catalyzed by chiral transition metal complexes are reviewed in this paper with 47 references.
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文摘:评述了近年来手性金属配合物催化的前手性羰基化合物的不对称硅氢化反应研究进展。 |
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Abstract: Recent studies on ferroelectric thin films,multilayered films and heterostructures are reviewed.The advantages and disadvantages of different processing methods for ferroelectric thin films are discussed.Applications of the films,especially in f
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文摘:综述了铁电薄膜、多层膜和异质结构研究的新进展，分析了铁电薄膜不同制备方法的优缺点.重点介绍了铁电薄膜在铁电存储器、微电子机械系统及热释电红外探测器方面的应用.指出了目前铁电薄膜及器件设计研究需要重点解决的一些问题. |
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Abstract: Recent studies reveal that wine is rich in phytoalexin and polyphenolic compounds, which can inhibit atherosclerosis by modulating metabolism of plasma lipid and lipoprotein, preventing platelet from aggregation and relaxing cardiovascular smoot
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文摘:近年来的一些研究表明，葡萄酒含有植物防御素、多酚类物质等多种成分，有调节血脂和脂蛋白代谢、抑制血小板凝聚、松驰血管等作用；可抑制动脉粥样硬化的形成，长期适量饮用可降低缺血性心脏病的发生率和死亡率。 |
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Abstract: Recrystallized in multiple solvent consisting of ethanol,low-carbon alcohol and water,antioxidant1010 was refined,and the main factors of affecting crystalliza tion including solvent,water et. al.were studied in the laboratory,and individua l de
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文摘:在乙醇、低级醇A和水三元混合溶剂中，通过对抗氧剂1010粗品的重结晶精制研究，制备得到了纯度高、堆密度大、流动性好、挥发份低、质量稳定、干燥速度快的δ－型抗氧剂1010。 |
