电脑应用在技术资料管理中存在的误区

随着科学技术的进步,电脑越来越广泛地被人们所使用,逐渐成为人们生活中的一部分,其发挥的作用日益增强.若没有扎实丰富的电脑知识,容易造成对电脑认识上的偏颇,反而会削弱电脑在提高工作效率和生活质量上所发挥的作用.阐述了做为现代人应继续加强电脑知识的学习,充分体现科技进步的优越性.     

UV-Vis Spectroscopy Study on Interaction between Microperoxidase-11 and Pr Ion Under Acid Rain Stress

Interaction between rare earth ion praseodymium (Pr( Ⅲ )) and MP11 with/without hydrogen ion (H^ ) in different media( aqueous, phosphate buffer, physiological condition) were studied by UV-Vis spectroscopy. All the results indicate that Pr( Ⅲ ) interacts with MPll, increasing the non-planarity of porphyrin periphery, leading MP11 to form two conformations when titrated by Pr( Ⅲ ). Excessive Pr( Ⅲ ) acts as a contaminant in living organism. H^ and Pr( Ⅲ ) have antagonistic effect on MP11, suggesting that at suitable concentration under physiological conditions, Pr( Ⅲ ) can be used as biomodulator in protecting plants from acid rain stress or in rehabilitating the harm.     

SIPOS/Si异质结能带图的建立(英文)

<正> The purpose of this paper is to establish an energy band diagram of undoped SIPOS (Semi-Insulating Polycrystalline Silicon)/Si heterojunctions.C-V characteristics of the heterojunction diodes were measured at the frequency high enough to neglect dielectric relaxation in undoped SIPOS. The capacitance (c) is generally expressed by the relation:     

重庆竹园小区预应力锚固技术的应用

本文以位于重庆市渝中区菜袁公路以下，成渝铁路以上的国家安居工程重庆竹园小区的滑坡处治，高边坡治理，危岩加固等地质灾害工程的实践为例，对其形成过程，发生机理进行分析，并提出防治工程措施。     

Mitigative Effect of La on Glycine max seedlings under Pb-Cd Compound Pollution

Inrecentyears,thestudyonthehaedl-ness0fheavymetalelementsonplantsisoneofveryactiveresearchprOjectsinplantpollutione-cologyfields.TheinjuryeffectofCdandPbp0l-lutiononplantapparentfeaturesandinternalphysiologicalmetabolismhasbeeninvestigatedextensiveIy['~3].SomeresultsabouttheeffectofcombinedPbandCdpollutiononplantwerealsoreported["'].Inthesestudies,theplantprotec-tionfrominjury0fheavymetalelementsaremainlyf0cused0nregulatingphysical,chemicalandbiologicalpropertiesofsoilbyaddrixtureoff0reigns0…     

Effect of Rare Earths on Plants under Supplementary Ultraviolet-B Radiation： Ⅱ. Effect of Cerium on Antioxidant Defense System in Rape Seedlings under Supplementary Ultraviolet-B Radiation

Theincreaseingroundlevelultraviolet Bradi ation(UV B,280～320nm)asaresultofstrato sphericozonedepletionmayhavemajordeleteriousef fectsoncropphotosynthesisandproduction.Asone majorenvironmentalproblem,ithasattractedmore andmoreattentionofresearchers,andthereforethere havebeensubstantiveandtimelyreports,providing abundantinformationaboutthedamageofUV Bradi ationoncrops.However,thestudiesabouttheecolog icalprotectionofplantsagainstdamageofUV Bradi ationarecomparativelyfew.Wehavepreviouslyre p…     

用于SMES的电压型换流器试验研究

为实现超导储能装置（SMES-Superconducting Magnetic Energy Storage）与输配电网之间的协调作用,达到提高电网输送容量、暂态稳定性和电压稳定性,提高配电网电能质量的目的。根据SMES的结构特点,结合目前大功率电力电子器件以及电路拓扑的发展趋势,设计了一台三单相H桥分立控制的电压型换流器（VSI-Voltage source inverter）及其控制系统平台。该电压型换流器采用三相器件独立运行结构,控制系统采用数字信号处理器（DSP-Digital Signal Processing）设计,在功能上实现了对串联于电力线路的注入电压幅值和相位的灵活控制,最后给出了一台20 kW电压型换流器原理样机对母线电压补偿功能的试验结果,试验结果表明,该电压型换流器可以满足超导储能系统的需要。     

高雄爱河 一条河浪漫了一座城市

<正>爱河,是一条位在台湾高雄市境内的小型河川,主流全长约12公里。爱河原名"打狗川",后因运输原木又被称为"高     

全业务网中综合关口局建设的探讨

本文在简单介绍综合关口局(IGW)建设必要性和技术性能要求的基础上,结合某省联通综合关口局工程,对综合关口局的建设方案进行探讨.     

浓香型大曲原酒的鉴评

在介绍了白酒感官评价和原酒相关知识的基础上,详细地介绍了大曲浓香原酒的感官鉴评标准和方法。