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Abstract: Addressing the problems encountered in localizing oil well tubing production, the co authors analyze the influences by aspects, namely, product quality, product R ＆ D, operation, technical level of equipment and competition in this specific ind
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文摘:针对油井管国产化遇到的问题，分析论述了产品质量、品种开发、使用操作、装备技术及行业竞争的影响，指出了加强油井管国产化的必要性以及阻碍当前发展的原因。 |
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Abstract: Adipokines,the bioactive factors derived mainly from adipocytes, regulate pancreatic β-cell function including insulin secretion,gene expression and apoptosis.In this review,we propose that adipokines influence β-cell function through three inte
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文摘:脂肪因子包括脂肪细胞分泌的多种活性因子,它们通过内分泌方式调节胰岛β细胞的胰岛素分泌、基因表达以及细胞凋亡等多方面的功能.本文提出脂肪因子影响胰岛β细胞功能主要通过三条相互联系的途径而实现.第一是调节β细胞内葡萄糖和脂肪的代谢;第二是影响β细胞离子通道的活性;第三是改变β细胞本身的胰岛素敏感性.脂肪细胞的内分泌功能是一个动态过程,在不同的代谢状态下,各脂肪因子的分泌发生不同变化.从正常代谢状态发展到肥胖以及2型糖尿病的过程中,脂肪因子参与了胰岛β细胞功能障碍的发生与发展. |
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Abstract: Adopting the high quality magnesite as main materials and choosing appropriate binders and compound additives,we can produce tundish coating with excellent properties.Adopting self-made paper-fiber,we can decrease coating's thermal conductivity
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文摘:采用优质镁砂为主要原料，选择合适的结合剂与复合外加剂，可制得性能优良的中间包涂料；采用自制纸纤维，可明显降低涂料热传导性能，适当引入钙质材料，有利于材料的解体性. |
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Abstract: Adopting the serum-free and animal-source-free medium domestication express cell efficiently, setting up to express system efficiently, suspending culture cell, can raise the cell density in the scale turn the production, strengthen the cell vit
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提要：采用无血清无动物组分培养基驯化高效表达细胞，构建高效表达系统，悬浮培养细胞，可以在规模化生产中，提高细胞密度，增强细胞活力，控制细胞增殖水平，延长细胞培养周期，增加目标蛋白的产量，提高产品质量，简化生产工艺，降低生产成本，进而提高规模化培养的效能。 |
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Abstract: Advances in odor control and dehydration technology for animal manure in the world are reviewed, with emphasis on detailed introduction to the development of bio-drying techniques in hopes of promoting rise of the technical level of the treatmen
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文摘:综述了近几年来国内外畜禽烘便除臭及脱水技术的研究进展，其中对生物干燥技术的发展进行了比较详细的介绍，以期推动我国畜禽粪便处理技术水平的提高。 |
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Abstract: Advances in research and abroad on air-cushioned surge chamber in China are summarized in aspects of air-leakage and its prote ction,air-performance and its numerical simulation,hydraulic feature and stabil ity,laboratory model testing and field
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文摘:结合我国首例含气垫调压室水电站——青海大干沟水电站引水系统的水力计算及模型试验研究成果，对气垫调压室的气体漏损及其防治对策、气体特性及其数值模拟、水力性能及稳定断面、模型试验和运行监控方面的国内外研究进展进行综述，并探讨了今后的研究方向. |
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Abstract: After anticorrosion metal-power spray welding was carried out for prevention of corrosion,the matched anticorrosion electrode is used to make backing weld.The new process can replace the traditional process wi th internal repaired mouth.
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文摘:管道焊前对管端进行耐蚀金属粉末喷焊防腐，然后采用与之匹配的耐蚀焊条打底焊，从而取代焊后焊接区内补口防腐的传统施工工艺，达到了管道焊后可不再进行内补口防腐。 |
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Abstract: After function spin-off and restructure, PBC enhances its Macro status quo, but two challenges from the Monetary Policy attenuation and the Functional innovation linger.
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摘要：通过职能分拆和重组，人民银行的宏观地位得到强化，但其货币政策实施却出现弱化，此外，如何在数个金融监管机构并行格局中探索和创新，已构成人民银行面临的两大挑战。 |
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Abstract: After its birth,Euro will challenge the heart status of Euro-dollar,make the transation in EMM more active,promote the union of internation financial markets in Europe,stimulate the development of AMM,mean while it will also aggravate the compet
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文摘:欧元诞生后，会挑战欧洲美元的核心地位，会活跃欧洲货币市场的交易，促进欧洲地区国际金融市场的联合，刺激亚洲货币市场的发展，同时也会加剧欧洲货币市场的竞争.欧元是否真能如人们所预期的那样成功，还要受许多因素的制约，如欧元区货币政策、财政政策的连续性、统一性，欧元区经济状况良好，人们对欧元的信心等因素. |
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Abstract: After joining WTO, the finance will continue to expand the opening, the number of foreign banks in China will increase quickly and the scales of its business will enlarge gradually, which will lead our state-owned commercial banks to a more seri
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摘要我国加入WTO后，金融业将继续扩大对外开放，在准外资银行数量将迅速增加，业务规模也将逐步扩大，我国国有商业银行必将面临更为严酸的形势与挑战。 |
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Abstract: After over 10 year's rapid development,the fishery in Zhengzhou city has the basis and conditions for deeply processing its products.The developing of Zhengzhou fishery processing industry is not only a necessity for the fishery's farther develo
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文摘:郑州市水产业经过十几年的快速发展，已具备产品深加工的基础和条件.郑州市水产加工业的发展，不但是渔业进一步发展的必然需要，而且是水产产业化发展的一个重要环节.郑州市水产加工业的启动和发展应着重从加工品种、技术研究、开拓市场和企业扶持等方面考虑. |
