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【正】 China’s State Council on October 10th announceda plan to accelerate the developmentof strategic emerging industr......
Since the early 19th century,electrokinetic phenomena such as electrophoresis,electroosmosis and streaming potential hav......
Stability,acidity and interaction properties of [Bmim][SbF_6] coupled with concentrated sulfuric aci
Ionic liquid coupled with strong acid systems presents considerable promise in some catalytic fields.In the present work......
Fiber-like particle suspensions are common in both nature and industry, yet research on them is still in its infancy. Th......
Without reflection,no philosophy,so no speculative reflection will not lead to the system of Hegel’s speculative metaph......
The high-flowing sand-concrete(HFSC) containing natural sands as aggregate was carried out.The high fluidity and stabili......
This paper summarizes the basic situation of the wind power development in China in 2008,and carries out a brief analysi......
AIM: To investigate the role of pre-core and basal core promoter(BCP) mutations before and after hepatitis Be antigen(HB......
Based on the regional water resources character, the concept of soil water resources is first redefined, and then associ......
Compressive strength and frost heave resistance of different types of semi-rigid base materials afte
Freeze-thaw damage is the most common disease of semi-rigid bases in cold regions, which may greatly affect the durabili......
The tritium production cross section of the lithium, P_T~(Li) is a very important factor of the fusion system. Several ......
Neutron noise refers to the statistical fluctuation of the great number of neutrons in nuclear reactor,through the analy......
To support dramatically increased traffic loads, communication networks become ultra-dense. Traditional cell association......
Expression and survival prediction of microRNA-155 in hepatocellular carcinoma after liver transplan
Objective To explore the expression of microRNA-155in hepatocellular carcinoma(HCC)and its contribution to recurrence an......
Most automatic steering systems for large tractors are designed with hydraulic systems that run on either constant flow ......
Realization of nonlinear PID with feed-forward controller for 3-DOF flight simulator and hardware-in
As friction, intrinsic steady-state nonlinearity poses a challenging dilemma to the control system of 3-DOF (three degre......
This paper aims to discuss and analyze the distribution characteristics of the private placement among different regions......
目的 评价小波指数(WLI)在全身麻醉(全麻)术中的应用价值.方法 选择2009年3至10月在宣武医院行全麻择期手术患者53例,入室后连接脑......
氟马西尼原为苯二氮类拮抗药,它能迅速逆转咪达唑仑和地西泮的催眠/镇静作用唤醒术后患者.氟马西尼的作用靶点在γ-氨基丁酸(GAB......
半连续铸造机在铸造过程中,如果铸造速度发生较大波动,会影响铸锭的质量,在轧制过程中可能出现断带、损坏设备并且降低带材的成品......
高速铁路立体监测诊断平台是在传统的信号微机监测基础上进行深度拓展和后台开发的诊断系统。介绍了平台建立的概念,条件,基本组成和......
目的探究七氟醚联合丙泊酚维持麻醉用于小儿鼻内镜手术中的效果。方法选取我院2016年1月-2017年7月期间收治的行鼻内镜下腺样体摘......
摘 要:该文介绍了成县蔬菜生产的现状,分析其存在的主要问题,并提出了加强科技培训,提高菜农素质、改进育苗技术、实行氮、磷、钾配方......
实施学生教学信息员制度,充分发挥了学生学习的主体性,强化了教学质量监控工作,推动教学理念的更新,为提高学校教学质量提供一种新的机......
研究了在连续时间两资产模型中个人最优投资组合选择与消费准则的结合问题,采用由离散时间模型过渡到连续时间极限情形的方法,给出......
刑事诉讼的两大基本价值是惩罚犯罪和保护人权。非法的方法收集证据,往往是以牺牲犯罪嫌疑人的个人权利为代价,其结果使刑事诉讼的两......
探讨了目前环境标准在制订、发行、宣贯过程中存在的问题 ,并就规范环境标准发布、加强标准宣贯等提出建议......
目的:探索机能学实验中使用无痛麻醉技术替代蟾蜍毁脑脊髓,减轻手术给蟾蜍带来的痛苦,给予充分的动物福利和人文主义关怀。方法:该......
针对导弹拦截问题,在非线性系统滑模变结构控制理论的基础上,提计出一种新型滑模变结构导引律;该导引律将目标机动视为干扰,而且仅......
通过对固定分配机制和与绩效挂钩的比例分配机制的两阶段研究,表明当生产能力极度紧张或非常富余时,这两种机制下的供应链绩效没有......
镇静是ICU危重患者,尤其是机械通气患者的重要治疗措施之一。镇静影响大脑功能、增加VAP的发生和血压下降已成为临床共识,但对于肾功......
Propofol inhibits the adhesion of hepatocellular carcinoma cells by upregulating microRNA-199a and d
BACKGROUND: Propofol is one of the extensively and commonly used intravenous anesthetics and has the ability to influenc......
以LabVIEW作为开发工具研制出了一个电流互感器的校验系统,能对在线运行的电流互感器在不停电的情况下进行监测.可通过数据分析处......
精确模型是为先进工艺程序的控制的申请的最重要、基本的条件,但是常规方法不在不稳定的过程的情况中提供令人满意的结果。有效地控......
我国钢铁工业的快速发展,带动了废钢回收及废钢加工设备产业的发展。介绍了我国废钢加工设备的生产规模及现状,对废钢加工设备制造企......
生态工业园是一种新型工业组织形态,是根据循环经济理论和工业生态学原理建立的一种与生态环境和谐共存的新型工业园区。论述了钢铁......
The general situation of the Three Gorges Projects reservoir inundation and its characteristics are presented. The inv......
逻辑思维是学术研究的基石,研究者应掌握基本的逻辑方法。作者在对逻辑学基础理论知识进行梳理的基础上,就逻辑思维在“三农”问题研......
目的:探析吸入七氟烷和静脉靶控注射丙泊酚用于妇科腹腔镜手术的麻醉效果。方法:选取2018年6月~2019年3月在某院妇科择期行腹腔镜......
行人检测在汽车驾驶辅助系统和智能视频监控等领域有广泛的应用,而行人候选框的生成是行人识别、定位及跟踪的一项重要前期工作.本......
Negative impact of sedation on esophagogastric junction evaluation during esophagogastroduodenoscopy
AIM:To compare the esophagogastric junction(EGJ)areas observed in sedated and non-sedated patients during esophagogastro......
介绍了如何以“电子”为主线来学习电化学知识的方法.阐述了原电池和电解池中电极名称的确定、电极反应类型和电极产物的判断、电......
目的观察RugLoop程序监控下异丙酚复合瑞芬太尼靶控输注(TCI)用于无痛胃镜下胃息肉切除术的效果和安全性。方法将60例行无痛胃镜下......
为研究双钩波形板的气水分离特性,在高入口湿度和高雷诺数条件下进行了冷态试验,并对疏水进行分区段计量,试验结果表明:①双钩波形......
为了改善磁浮系统的非线性和不稳定性特点,利用微分几何方法将两个不同结构的非线性子系统转化为两个相同结构的线性子系统,设计了......
工程图学课程教学质量评估,对于深化教学改革,全国提高该课程的教学质量具有重要意义,本文遵循“科学,易行,可比”三个原则提出了个评估......
目的:探讨靶控输注丙泊酚联合瑞芬太尼麻醉方式对肾移植术患者细胞免疫及应激反应的影响。方法76例肾移植患者行靶控输注丙泊酚联合......
目的探讨人活髓牙本质在平行和垂直牙本质小管方向上的力学性能。方法收集30颗活髓牙,将其沿牙长轴制备成块状牙本质标本,分成2组。A......
本文在基于标准被废除按比例进行时的标准体系使用期的两个新模型。首先给出了模型假设条件,然后定义了标准使用期。根据假设给出了......
对地矿行业“钒钛磁铁矿石分析规程”存在的问题,提出了几点建议。...