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  提高
     Improve the Efficiency of PBSC Collection Using CD34+ Cell as a Predicator and Large Volume Leukoapheresis
     利用CD34+细胞的预测作用和大血容量采集程序提高周围血干细胞的采集效率
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     Study on Support System to Improve the Competitiveness of Agricultural Products in HuBei Within the WTO Framework
     WTO框架下提高湖北农产品竞争力的支撑体系研究
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     Research on Techniques to Improve the Performance of OpenMP System on Cluster
     提高机群OpenMP系统性能的关键技术研究
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     A STUDY ON THE IMPLANTATION OF N-, Zn-IONS INTO Ga AS_(1-x)P_x (x≈0.39)TO IMPROVE THE EFFICIENCY OF LIGHT EMISSION
     氮和锌离子注入GaAs_(1-x)P_x(x≈0.39)提高发光效率的研究
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     How to Improve the Thermal Stability of the Light Exterior-Protected Construction of an Air Conditioned Room
     怎样提高空调房屋轻型外围护结构的热稳定性
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  改善
     A Study on Al_2O_3/TiN Duplex Coatings to Improve the Tribological Properties of Aluminum Alloy under Heavy Load-bearing Conditions
     用Al_2O_3/Tin双联沉积工艺改善铝合金在重载条件下的摩擦性能
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     USING POWER SYSTEM STABILIZER(PSS)TO IMPROVE THE EFFECT OF GENERATOR PARAMETERS ON SYSTEM STABILITY
     应用电力系统稳定器(PSS)改善发电机参数对系统稳定的影响
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     Heat Treatment Between Phase Transition Intersections to Improve the Property of BHW 35 Steel
     相交点间热处理改善BHW35钢性能的研究
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     Try to Improve the Production Quota Management in Economic System Reform
     在经济体制改革中改善劳动定额管理
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     Speeding up the Development of Highway Transportation to Improve the Transport Structure of China
     加快发展公路运输 促进运输结构的改善
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  改进
     To Improve the Rectangular Terminating Conductors Design of Large Hydro Turbo-Alternator----Concurrent with Improvement of Terminating Conductor Arrangement of TSS 1260-160/48 Hydro Turbo-Alternator ( 300MW, Liujiaxia Hydro-Power Station )
     改进大型水轮发电机矩形引出线的设计——兼论TSS1260-160/48型水轮发电机(刘家峡水电厂30万千瓦机)引出线的改进方案
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     To Improve the Autocontrol System of Microcomputer with a New Algorithm
     用新的控制算法改进微机自控系统
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     Persistently improve the managing work of metallurgical equipment,highten the economic efficiency of enterprises as the center
     以提高企业经济效益为中心 不断改进冶金设备管理工作
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     Improve the guide plate in type M1040 centreless grinder
     M1040无心磨床导板的改进
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     HOW TO IMPROVE THE 616 PROGRAM OF OPTICAL RAY CALCULATION
     616光路计算程序的改进
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  完善
     This article proposed how to build and improve the overall experimental platform of financial subject to promote the creation of the experimental teaching mode, and to cultivate the innovative financial talents with sound theoretical foundation and practical ability in the analysis and judgement,according to the special direction of the financial subject in colleges and universities.
     根据高校金融学专业方向,构建和完善金融学科全方位实验平台,大力推进实验教学模式的创新,培养具有扎实的理论基础并具有实践分析判断能力的创新型金融人才。
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     To strengthen the public crisis management, establish and improve the emergency rescue system is the inherent requirement for constructing harmonious society, the inevitable choice for constructing public service government.
     全面加强公共危机管理,建立和完善应急救援体系,是构建社会主义和谐社会的内在要求,是广大人民群众最现实、最关切、最直接的利益所在,是构建公共服务型政府的必然选择。
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     [Objective]To understand the epidemiological characteristic of measles,summarize the prevention and controlling experience,improve the controlling measures.
     [目的]了解麻疹流行病学特征,总结防治经验,完善预防控制措施。
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     So more work must be done in the scientific institution construction,the complete management system and the practical assessment method,in order to improve the teachers' morality in higher institutes of learning.
     因此,要提高高校师德建设水平,就必须在制度建设的科学性、管理体系的完整性、考核方案的实用性作进一步深入的工作,比如制订对下属二级单位师德建设工作的考核方案,完善教师师德考核指标体系和方案等。
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     In order to develop practical activities in teaching effectively,we must set up an organization to guarantee the practical teaching,realizing systemize and standardization of practical teaching to improve the teachers' ability and quality to make the system to assess practical teaching perfect,stimulating the students to take active part in the practical teaching.
     要使实践教学活动能够有效开展,必须建立实践教学保障机制,实现实践教学制度化、规范化,提高教师的教学能力和素质,完善实践教学考核方法,充分调动学生参与实践教学的积极性。
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      improve the
    Moreover, introduction of an acetic acid side chain on 2H-pyridazine-3-one and 6-chloropyridazine did not improve the AR inhibitory activity, which was an unexpected result.
          
    In this paper, a restraint operator is used to improve the stability of the Chebyshev spectral method.
          
    Second, a characterization of convergence for L1-regular splittings of a singular Z-matrix is given, which improve the result of [3].
          
    A special penalty method is presented to improve the accuracy of the standard penalty method for solving Stokes equation with nonconforming finite element.
          
    These results improve the available results about the equilibrium analysis of the mean-variance market.
          
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    This paper presents several considerations which are usually overlooked by designers of power oscillators. Effects of the shape of the path of operation upon the plate efficiency of the oscillators are discussed and methods of improving the plate efficiency are mentioned.

    普通设计强力振荡器时,每忽略真空管工作路之重要性。本文指出相角及谐波对於工作路图之影响以解释何以实际上强力振荡器之效率,每较设计时所预测者较低。本文并述及增加振荡器板极效率之各种方法。

    The present paper gives a report on a study of the life his- tory of a destructive pest, Melanauster chinensis Forster, of citrus trees in Foochow during the years 1951 and 1952. It has been found that the adults lay eggs beginning from the last part of May until the end of July. Eggs are inserted in the bark of the tree trunk about 1. 4 inches from the ground. Incubation period lasts from 9 to 14 days. After hatching the young larvae feed under the bark for three or four months. In October they bore into the...

    The present paper gives a report on a study of the life his- tory of a destructive pest, Melanauster chinensis Forster, of citrus trees in Foochow during the years 1951 and 1952. It has been found that the adults lay eggs beginning from the last part of May until the end of July. Eggs are inserted in the bark of the tree trunk about 1. 4 inches from the ground. Incubation period lasts from 9 to 14 days. After hatching the young larvae feed under the bark for three or four months. In October they bore into the wood from a place about one to two inches above the ground. Overwintering of the larvae in the burrows generally begins in November or December. They resume actti- vity in March the following year. Pupation takes place abou the middle part of April. The pupal period lasts from 18 to 20 days. After emergence the adults remain in the pupal cells in the upper part of their burrows for about five to eight days. The adults appear from the middle part of May to the middle part of August. Burrows made by the larvae under the bark as well as in the wood have been studied carefully. Recommendations have been given to improve the original technique of destroying the larvae by probing with wire.

    星天牛为柑桔主要害虫之一,研究此种害虫者颇不乏人,但就所见文献中关于该虫习性的报道,多不足作为防治的有力参考。笔者有鉴及此,于一九五一至一九五二年在福州研究这一害虫的生活习性,尤其对于幼虫为害的隧道,有比较详细的观察。把果农钩杀幼虫这一防治方法的实践与理论相结合,初步掌握了幼虫在柑桔树干中钻蛀为害的规律,使过去所谓奥妙不可捉摸的钩杀技术得到了解析,同时也把这一技术从现有的水平提高了一步,希望可以为一般从事柑桔栽培工作者所掌握,成为简单易学的一件事。五月下旬至七月下旬均有成虫产卵,产卵位置平均离地面1.4寸,卵期九至十四天。幼虫孵化后即从产卵处蛀入,向下蛀食于表皮与木质部之间,其向下蛀食范围多在地面下五寸以内。一般在三、四个月后亦即在十月左右,以成熟或将成熟的幼虫,蛀入木质部内,作一隧道,准备过冬及化蛹。蛀入孔多在地面下—、二寸处。一般幼虫在十—、二月开始休眠越冬,历时约三、四个月,翌年三月以后又开始恢复活动。四月中旬开始化蛹,蛹期十八至二十天。成虫羽化后在蛹室内停留五至八天。自五月中旬至七月中旬都有成虫出现,迄八月中旬仍见有极少数成虫。幼虫所营隧道的形状、长短,都有一定的规律,文中有详细的叙述,并附有图解。

    When ceric iodate is precipitated from acid solution by the addition of asoluble iodate,a gelatinous precipitate is obtained,which is difficult to filterand wash.The precipitate must be redissolved and reprecipitated as oxalatefor final ignition to ceric oxide.A method has been deviced to improve the form of the ceric iodateprecipitate by slow precipitation in homogeneous solution.Advantage is takenof the fact that cerium exists in two distinct valence states,the cerous and theceric.Cerous iodate is soluble...

    When ceric iodate is precipitated from acid solution by the addition of asoluble iodate,a gelatinous precipitate is obtained,which is difficult to filterand wash.The precipitate must be redissolved and reprecipitated as oxalatefor final ignition to ceric oxide.A method has been deviced to improve the form of the ceric iodateprecipitate by slow precipitation in homogeneous solution.Advantage is takenof the fact that cerium exists in two distinct valence states,the cerous and theceric.Cerous iodate is soluble in dilute acid solution,while ceric iodate isinsoluble.Cerium is first reduced to the cerous state by hydrogen peroxide innitric acid solution.Ammonium iodate is added and no precipitation occurs atthis moment.The precipitation is brought about by the slow formation ofceric ion in the iodate solution by ammonium persulfate.Thus a denseprecipitate is formed slowly.This compact volume of the precipitate facilitatesfiltration and washing.The precipitate is ignited directly to ceric oxide,part of which is always stained with a brown color.This is remedied by evapora-tion of the ignited precipitate to dryness with a few drops of concentratedsulfuric acid and ignition to ceric oxide for final weighing.For samples containing 10-50 mg of ceric oxide,a total volume of 300-400 ml gives best results.The optimum concentration of the nitric acid presentis 0.4-0.5 N.A starting temperature of 40-60℃ favors the denseness of theprecipitate.Precipitation is continued at an elevated temperature(70-80℃ )on a hot plate.Stirring not only improves the crystallinity of the precipitateand may decrease the occlusion of impurities,but also shortens the time forcomplete precipitation.Dilute iodic acid solution(1-2%)is used as washsolution.This method is good for samples containing 2.5-250 mg of cericoxide.The composition of the precipitate is not reproducible.The precipitate is abasic iodate and the ratio of IO_3~-found/IO_3~- theoretical for Ce(IO_3)_4 increaseswith the concentration of the nitric acid present(up to 0.5 N)to a maximumvalue of about 0.92.The ratio never reaches unity.An analysis of the pre-cipitate dried at 40-45℃ for 2-3 days shows a fairly constant ratio of IO_3~- found/IO_3 theoretical for Ce(IO_3)_4 From the ratio of Ce:IO_3,an approximate formulaCe_2(IO_3)_7(OH)·XH_2O has been proposed for the precipitate obtained under theconditions described.The number of water molecules in the formula is in-definite,varying from 3 to 5.

    1.在均匀溶液中沉淀的碘酸铈,性质紧密,便利于过滤和洗涤。烧灼成为氧化铈后,适合于作为铈的定量分析。2.利用碘酸亚铈能溶解于稀酸溶液而碘酸铈则不溶的区别,先用过氧化氢把全部铈离子还原,再加入碘酸铵,然后进行氧化,使碘酸铈在均匀溶液中沉淀出来。3.本方法适用于含氧化铈2.5—250毫克的样品。4.所得沉淀的分子式经初步测定为 C_(e2)(IO_3)_7(OH)·x H_2O,其中 x 的数值不定,涨落在3与5之间。

     
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