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In this paper the management model a two-species fishery involving impulsesis investigated by using optimal impulsive co......
In 1939 two brothers,Mac and Dick McDonald,started a drive-in restaurant in California.They carefully chose a busy corne......
Effects of Wounding and Exogenous Jasmonic Acid on the Peroxidation of 0Membrane Lipid in Pea Seedli
The changes of malondialdehyde (MDA), H2O2, and O2-. content, or the activities of superoxide dismutase (SOD), catalase ......
...maiscesontencoreeuxquicommandentPourquoil’ascensiondesfemmess’arrete-t-elleauxmarchesdupouvoir?Formidable!Depuis1944,lesfe...
. . . maiscesontencoreeuxquicommandentPourquoil’ascensiondesfemmess’arrete-t-elleauxmarchesdupouvoir? Formida......
L'Alliance Francaise,pour qui et pour quoiParis,le11novemhre1995Chersamis.C'estavecbeaucoupd'intrtquejeviensdeprendreconnaiss...
L’Alliance Francaise, pour qui et pour quoiParis, le11novemhre1995Chersamis. C’estavecbeaucoupd’intrtq......
File pollution is a problem that is threatening security and availability in peer-to-peer environments, and could eventu......
Gossip-based protocols have attracted more and more attention because of their simplicity and reliability.They can be ap......
The effect of grain size of CaCO 3 and SiO 2 on the formation of C3S under various conditions, such as rapid heating rat......
Selective catalytic reduction of NO with NH_3 over sol-gel-derived CuO-CeO_2-MnO_x/γ-Al_2O_3 catalys
Granular CuO-CeO2-MnOx/γ-Al2O3 catalysts were synthesized by the sol-gel method. The performance of the CuO-CeO2-MnOx/......
Structure and properties of Co-doped cryptomelane and its enhanced removal of Pb~(2+) and Cr~(3+) fr
Cryptomelane is a reactive Mn oxide and has been used in removal of heavy metal from wastewaters. Co-doped cryptomelane ......
Observations indicate that the motion of an oceanic mesoscale eddy entering the conti-nental shelf will quickly decay. T......
A place that I enjoy going to is the beach.It is seen as a place of relaxation because it is normally quiet and peaceful......
In this paper, an approach is proposed to combine wavelet networks and techniques of regression analysis. The resulting ......
In order to avoid such problems as low convergent speed and local optimal solution in simple genetic algorithms, a new h......
Saving energy and increasing network lifetime are significant challenges in wireless sensor networks (WSNs). In this pap......
An experiment was carried out to study the transport process of nitrogen(N)assimilation from tea roots by monitoring the......
The atomic force microscopy(AFM)is a promising tool for manipulating nano-objects to fabricate nano-structures or nano-d......
以甲基丙烯酸丁酯为功能单体,二甲基丙烯酸乙二醇酯为交联剂,正丙醇和聚乙二醇400为致孔剂,偶氮二异丁腈为引发剂,在不锈钢管模具......
本文概述了边支转捩对空天飞机性能的影响,在介绍确定边界层转捩起始点的线性稳定性理论和简单关联公式之后,又从噪声影响、头部钝头......
每年开展的土地利用变更调查,为国家宏观调控及土地的规划、管理、保护和合理利用提供了重要基础。本文以3S技术为基础,以QuickBir......
目的:探讨淋病奈瑟菌DNA回旋酶A亚单位GyrA基因及拓扑异构酶ⅣC亚单位ParC基因突变与耐喹诺酮类药物之间的关系.方法:采用DNA序列......
本论文以柱上变压器为研究对象,以提高柱上变压器安装、更换效率为目的,对柱上变压器的低压端子进行改进设计。具体为研制一种适合......
20世纪90年代,合作治理已经成为提供社会公共服务的主要手段。合作治理的局限性在于其可能导致腐败新形式的产生以及旧形式的扩大。......
研究了煤粉对模拟焦化废水二级出水中苯酚、喹啉的吸附,考察了pH、煤粉投加量、吸附反应时间等因素对吸附效果的影响。实验表明:煤粉......
根据1500年以来东南沿海地震带与长江中游地震带的本尼奥夫应变曲线资料,运用小波变换的方法,以不同的小波尺度分析得到了不同时间......
6-溴甲基-2-甲基-3(H)-喹唑啉4-酮(见图1所示)是治疗晚期结肠癌和直肠癌的一线药物雷替曲赛(Rahitrexed)的重要中间体。......
针对对流扩散方程数值耗散问题普遍缺乏明确定量指标的现状,提出了度量数值耗散程度的定量指标及其研究方法.即借助广义“假扩散”系......
为了解决传统MIMU角速率和静态六位置混合标定方法实验过程冗杂且实验条件严苛的问题,提出了一种用于MIMU的角位置和静态多位置混......
针对富水粉细砂地层中土压平衡盾构施工的难点,对使用大开口率辐条式刀盘盾构机施工进行分析,提出了以盾构施工参数和土体改良为核......
本文给出一种侧滑检验台的快速回位装置,安装在汽车检车线现有的双板联动式侧滑检验台上,使用于双转向桥侧滑检测的滑板能快速回位......
目的了解我院分离的革兰阴性杆菌中qnr基因的流行情况。方法PCR法对129株大肠埃希菌、29株肺炎克雷伯菌和10株阴沟肠杆菌进行qnr基......
提出了一种用改进的强隐式方法求解三维不可压缩粘性流动的交错网格有限体积法。该方法在SIMPER算法的基础上,对N-S方程的对流项采用QUICK格式离散......
描述了武汉市某基坑的工程概况和工程地质条件,对该基坑工程施工过程中出现的问题进行了分析,并介绍了处理措施,得到了一些有意义......
在市场快速发展的今天,物业管理公司要想赢得客户,争得市场,就必须建立一整套对客户、对市场的快速反应机制.通过对物业公司与业主......
本文报道了镧系离子Eu^3+,Tb^4+同喹诺酮羧酸类衍生物氧氟沙星形成配合物的合成。用元素分析法和ICP确定了配合物的组成为Ln(oflo)......
报道了钨硼杂多阴离子[BW11O39M(H2O)]7-(M=Co2+,Cu2+,Ni2+)中配位水与奎宁的取代反应,利用UV-vis和ESR谱进行了表征,并且测定了配......
为实现大口径高压油气管道建设用快开盲板国产化,中油管道机械制造有限责任公司采用有限元分析设计方法,自主研发了MB-ZS安全自锁......
结和开放式实验教学的实践和需求,使用QuickOne企业框架,基于MVC三层架构以及B/S体系结构实现的适合开放式实验教学模式的教学管理系......
研究了一类五次系统原点复等时中心的问题.先通过一种最新算法求出了这类五次系统原点的周期常数,从而得到复等时中心的必要条件,并利......
目的探讨醌氧化还原酶基因NQO1的cDNA 609位碱基C→T点突变所致的基因多态性位点是否与鼻咽癌遗传易感性有关.方法采用聚合酶链反......
设计了一种可以降低CMOS图像传感器(CIS)中数字噪声对模拟信号影响的时序.在时序控制电路中加入了门控时钟,使数字电路各模块可分时......
【正】Part One: Quick Responses Please make a quick response to the sentence you will hear.1. Where did you get this MTV......
目的 :观察脑康泰胶囊对阿尔茨海默氏病模型大鼠学习记忆作用的影响。方法 :采用脑立体定向颅内注射喹啉酸所致阿尔茨海默氏病 (Al......
Towards Expanding Quinoa Cultivation in Egypt: The Effect of Compost and Vermicompost on Quinoa Pest
Increasing production and reducing pests’ population while preserving the environment is an essential goal nowadays. Ne......
The geophysical model function(GMF) describes the relationship between a backscattering and a sea surface wind, and enab......
In this research, we determined the feasibility of using a Personal Digital Assistant (PDA) as a mobile field data colle......
1,4-Hydroquinone is a Hydrogen Reservoir for Fuel Cells and Recyclable via Photocatalytic Water Spli
Photocatalytic splitting of water was carried out in a two-phase system. Nanocrystalline titanium dioxide was used as ph......
文字学界的主流观点认为:英语是表音文字,其26个字母是专为表音而创造出来的。我的研究发现:许多英语单词也具有表意(象形)的一面。其主......
cequi与ceque有这样两种功能:第一,引导作宾语用的补语从句;第二,引导强调句。一作宾语用的补语从句一般就是转述别人讲的话。被转述的话叫间接引......