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Every language has a history;Languages change mainly in four different aspects:(1) pronunciation;(2) vocabulary;(3) gram......
Factors affecting afterglow properties of red-emitting phosphor MgSiO_3:Mn~(2+),Nd~(3+) for luminesc
With stable physical properties,the rare-earth silicate phosphor of MgSiO3:Mn2+,Nd3+ is one of the suitable luminescent ......
The forest estate in south-west Zabaikalia, a territory included in the Lake Baikal catchment area, has been investigate......
Central Asia including Kyrgyzstan is a disaster prone area,suffering from snow avalanches,landslides and flooding.Within......
The species and characteristics of Radiolaria in the surface sediments were systematcally investigated in the sea east ......
Design and integrated simulation of a pressurized feed system of the dual-thrust hybrid rocket motor
A new pressurized feed system of the dual-thrust hybrid rocket motor for flight is presented in this paper.The feed syst......
Spatial and Seasonal Dynamics of Dissolved and Suspended Nutrients in the Water Column of Meromictic
1 Introduction The vertical stratification of the water column has a significant impact on the spatial distribution of a......
Free-standing film of polyaniline with excellent mechanical and electrical properties has been successfully prepared by ......
Nonalcoholic fatty liver disease(NAFLD) is the most common liver disease worldwide, affecting approximately one third of......
Identification of a natural product-like STAT3 dimerization inhibitor by structure-based virtual scr
OBJECTIVE To apply molecular docking techniques to identify STAT3 inhibitors from a database of over 90 000 natural prod......
Scientific evidence suggests that stem cells possess the anti-aging ability to self-renew and maintain differentiation p......
Nine novel triazole compounds containing ester group were designed and synthesized. Their structures were confirmed by e......
The contents, affecting factors, seasonal changes and availability of fixed ammonium in major types of paddy soils deri......
This study aims to examine the effect of El Nino and La Nina on the monthly and seasonal climate of Hong Kong agains......
Magnetic resonance evaluations of biliary malignancy and condition at high-risk for biliary malignan
Tumors of the biliary tree are relatively rare; but their incidence is rising worldwide. There are several known risk fa......
Squamous papillomas(SPs) are common benign neoplastic lesions, usually affecting the skin, oral mucosa, upper aerodigest......
Purpose:This paper aims to analyze the factors that influence information inequality in the suburban areas of Shanghai i......
【摘要】 目的 探讨自然人群中成人接种重组乙肝疫苗后无应答者分布状况和影响因素。方法 对我镇21,699名16岁以上成人按0、1、6方......
目的:探讨食管癌术后早期肠内营养达标率及其影响因素。方法:回顾性分析107例行食管癌根治术的病人,并根据术后第3天肠内营养供给能量......
根据茂名市电白区国家基准气候站1960—2014年共计55年的日照时数资料,采用线性倾向估计和数理统计、小波分析、M-K检验等方法,分......
姜油是从生姜中提取的香精油,具有良好的抗氧化能力。在阐述了姜油化学成分的基础上,重点综述了姜油的提取方法,姜油的抗氧化活性以及......
对微生物共代谢途径的概念、机理、类型进行了综述,详细介绍了微生物共代谢作用在去除难降解有机污染物过程中所起到的重要作用,并......
该文介绍了对胶粉沥青的改性机理所进行的分析。通过试验,根据不同搅拌温度、搅拌时间下胶粉沥青的性能变化,得出胶粉沥青的最佳搅......
天然气中存在的水分在一定条件下会形成水合物,堵塞管路和设备,对于含CO2、H,s的天然气,水分会导致管内形成酸液,腐蚀管路和设备,因此在......
对台阶爆破岩体进行了节理裂隙的调查,采用神经元网络对爆破效果进行了预测,同时应用灰色系统理论对爆破效果影响因素作了详细分析。......
干酪是液体乳为原料,经凝乳、排乳清,发酵成熟制成的产品.本文论述了干酪生产过程中原料乳及其均质、酸化、凝块切割等因素的影响.......
研究了用湿化学共沉淀法制备Fe3O4纳米磁流体的工艺过程,对所制得的系列磁流体进行了检测和表征.通过详细的实验研究,总结分析了磁......
一水硬铝石型土矿因其矿物特点,对溶出条件要求苛刻,本文对影响铝土矿溶出的主要因素进行了比较分析,并从动力学及化学反应机遇上分析......
伊朗核问题由于其敏感性和复杂性,一直是国际社会关注的热点,自2006年1月3日伊朗宣布恢复中止两年多的核燃料研究后,联合国四次通......
影响商业银行激励效果的因素是多方面的.建立有效的激励机制,应从五方面努力:(一)确定委托代理关系,引入市场竞争隐性激励;(二)打......
介绍了PAA高分子聚合物冲洗液在狮子庙金矿区复杂地层钻探中的成功应用,分析和探讨了PAA高分子聚合物冲洗液对复杂地层护壁的作用......
2005年4月至8月期间利用TRIME系统采用网格化取点方式,对烟台市农科院苹果园162个格点土壤含水量进行了4次取样,对土壤含水量合理......
推导了粘钢加固粘结界面应力公式,分析了影响粘钢加固粘结界面最大剪应力的几个主要因素,提出了指导了粘钢加固工程实践的有意结论。......
运用文献资料、问卷调查和数理统计等方法,从体育在家庭中的地位、体育人口结构、体育消费、体育内容和活动场所几个方面,对河北省村......
教师心理健康是教师心理素质的一个重要指标和反映,不仅有利于教师自身职业生涯的发展、身体健康和生活幸福,而且还直接影响到学生的......