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Abstract: Processes of blackening of iron and steel at room temperature have been extensively used for their peculiar advantages.
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文摘:钢铁常温发黑工艺由于其独特的优点而得到了广泛应用。 |
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Abstract: Profit Portion estimation for the mechanization in plant produ cts ind ustry is useful to understand the development level, potential, trend of agricul tural mechanization for government decision making and it is also an answer to h ow to estima
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文摘:测算农业机械化对农业生产的贡献率，实践上有助于从总体上把握农业机械化的发展水平、发展潜力和趋势，对农业机械化事业的决策具有重要的参考价值;理论上研究产业系统单因素的贡献率具有学术意义。 |
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Abstract: Profit estimation for the mechanization in agricultural indust ry is useful to understand the development level, potential, trend of agricult ural mec hanization for government decision making and it is also an answer to how to est imate the sin
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文摘:测算农业机械化对农业生产的贡献份额，实践上有助于从总体上把握农业机械化的发展水平、发展潜力和趋势，对农业机械化事业的决策具有重要的参考价值；理论上研究产业系统单因素的贡献率具有学术意义。 |
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Abstract: Progress in recent years on the preparation and application of N-acylamino acids surfactants,especially the derivatives of N-acylsarcosinates have been reviewed with over thirty references and the perspective trend have been predicted.The exploi
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文摘:本文综合评述和介绍了N-酰基氨基酸系列表面活性剂的合成及应用(特别在农业、生物化学和药物制造领域的应用)的一些近年来的研究新进展，指出了进一步的研究方向，并报道了我公司开发此类产品的情况。 |
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Abstract: Properties of sixteen hydrogen storage battery which includes hydrogen storage capacity,cicyle life,macrocurrent charge-discharge,self-discharge are evaluted withgrey cluster analysis.After clustering performance is ascertained according to four
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文摘:用灰色聚类分析对正交试验的16个贮氢电池性能、放电流量、循环寿命、大电流充放电、自放电等进行评定，按4个灰类归纳后判断聚类性能好坏，聚类结果与产品实际性能完全吻合。 |
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Abstract: Public law lies in the public right relationship and private law lies in the p rivate right relationship.
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文摘:因公共利益而发生的社会关系属公权关系，因个人利益而发生的关系属私权关系。 |
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Abstract: Purpose:To analyze the diagnosis and treatment of primary ureteral cancer.Methods:33 cases were reviewed.
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文摘:目的：提高原发性输尿管恶性肿瘤的诊治水平。 |
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Abstract: Purpose:To explore the risk factors for nosocomial infection of urological surgical department.Method:2 976 cases of urological surgical patients was investigated retrospectively for the nosocomial infective prevalence in urological surgical dep
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文摘:目的:探讨泌尿外科医院感染的危险因素.方法:回顾性调查1996年4月～1999年4月间我院泌尿外科手术患者2976例的医院感染情况.结果:泌尿外科医院感染率为4.87%,其中男性占73.1%,女性占26.9%;感染部位依次为下呼吸道、手术伤口、泌尿道、胃肠道、上呼吸道、皮肤软组织;Ⅰ类切口术后感染率为4.4%,Ⅱ类切口术后感染率为10.4%,Ⅲ类切口术后感染率为13.6%;动脉插管感染率为27.6%,静脉插管感染率为25.5%,泌尿道插管感染率为30.3%,呼吸道感染率为20.8%,全麻感染率为42 |
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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。 |
