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The risk of wind waves in a bay is often overlooked,owing to the belief that peninsulas and islands will inhibit high wa......
Taking the system philosophy of human-earth relationship as the theoretical axis,and under the three-dimensional goals o......
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目的总结内镜经鼻切除旁中央颅底硬膜外胆脂瘤手术的临床特点，并分析其手术疗效。方法回顾性分析2017年8月至2020年8月在天津市环湖......
【Abstract】Philip Roth is a successful Jewish writer in contemporary America. His fiction， The Human Stain explores the ......
In this paper, we introduce a modification of the Quasi Lindley distribution which has various advantageous properties f......
地铁隧道开挖常采用盾构工法,盾构隧道下穿建筑物施工时,将引起地层以及上方建筑物的变形破坏,本文依托实际工程背景,采用现场实测......
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This paper is trying to analyze the E-C interpreting scripts of Inaugural Address, Remarks on Winning the Nobel Prize an......
为满足电力巡线中对输电线实时跟踪的需要,利用FPGA＋DSP的成熟架构,提出了一种新的红外线性目标跟踪方法,根据输电线的特征,将传统......
The status of disturbances of both initial values and parameters in the model is further investigated, and the exact exp......
Pipelines in geological disaster regions typically suffer the risk of local buckling failure because of slender structur......
Remarkable red-shift of upconversion luminescence and anti-ferromagnetic coupling in NaLuF_4:Yb~(3+)
Lanthanide doped bifunctional materials are potentially important for developing multifunctional devices. Here, NaLuF_4:......
Modeling of enclosed-gate layout transistors as ESD protection device based on conformal mapping met
This paper proposes a novel technique for modeling the electrostatic discharge(ESD) characteristic of the enclosed-gate ......
The phenomenon that the wide P-emitter region in the conventional reverse conducting insulated gate bipolar transistor(R......
目的:探讨皮肤温度(皮温)变化对感觉缺失区域神经阻滞效果的评估价值.方法:选择择期行下肢肌痉挛松解手术的截瘫患者58例,在手术侧......
蛋白磷酸酶2A(PP2A)在调节细胞生长和代谢等多方面是一类重要的胞内蛋白磷酸酶,其中PP2A的活性和细胞内定位受调节亚基ParA和PabA......
Synthesis of silver nanoparticles using leaves of Catharanthus roseus Linn.G.Don and their antiplasm
Objective:To develop a novel approach for the green synthesis of silver nanoparticles using aqueous leaves extracts of C......
利用反转录 PCR技术 ,用一对特异性寡核苷酸引物 ,分离获得棉铃虫 para同源基因 III- IV接头约30 0 bp DNA片段 ,发现在 Bao D- R......
采用降落 PCR技术 ,根据昆虫 para型钠通道 区 S4至 S6及 与 连接区的保守区域设计简并引物 ,成功地克隆了棉蚜 para型钠离子通......
Heat shock protein 70 expression in relation to apoptosis in primary bladder transitional cell carci
Bladder carcinoma is the most common tumor in theurinary system·In 1996, a sample investigationshowed that bladder carc......
Relationship between somatostatin receptor subtype expression and clinicopathology,Ki-67,Bcl-2 and p
AIM: To study the SSTR1, 2, 3, 4, 5 expression and their relationships with clinico-pathological factors, cell prolifera......
In order to make more liquid products like gasoline, the oligomerition of a C4 feedstock taking placeon catalyst contai......
Small amounts of silver have been added to the intermetallic compound NiAl with the purpose of improving its mechanical ......
Velocity and temperature of nanostructured Al2O3-13TiO2 feedstocks in supersonic plasma spraying was detected applying C......
Language is not only closely related to human mind but also distinctive for its intricate association with the human cul......
Enlightenment of “Multi-dimensional Adaptations and Adaptive Selections” to C-E Translation of Class
Base on analysis of the translation of Li Shangyin’s Untitled by Xu Yuanchong,this paper discusses the application of t......
叶片是汽轮机的核心关键零件,传统叶片造型使用一整块材料锻造成型,加工困难。介绍一种新型的空心静叶片制造技术,该技术是将两个......
AIM:To investigate the expression and prognostic value of CCL2 in gastric cancer,as well as its relationshipwith tumor h......
AIM:To investigate the feasibility of lectin microarray for differentiating gastric cancer from gastric ulcer.METHODS:Tw......
目的:对百草枯中毒患者凝血功能(血浆凝血酶原时间,活化部分凝血活酶时间,凝血酶时间,抗凝血酶-Ⅲ)及纤溶相关指标(D-二聚体,血浆......
It is known that human papillomavirus(HPV) infection can cause squamous cell neoplasms at several sites, such as cervix ......
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To raise the efficiency of Rosenbrock methods Chen Lirong and Liu Degui have con-structed the parallel Rosenbrock method......
,A POSTERIORI ERROR ESTIMATE FOR BOUNDARY CONTROL PROBLEMS GOVERNED BY THE PARABOLIC PARTIAL DIFFERE
In this paper.we discuss the a posteriori error estimate of the finite element approximation for the boundary control pr......
Combined hepatocellular and cholangiocarcinoma originating from the same clone:a pathomolecular evid
Background:Combined hepatocellular and cholangiocarcinoma(CHC) is a unique subtype of liver cancer comprising both hepat......
Type Synthesis of Two-Degrees-of-Freedom Rotational Parallel Mechanism with Two Continuous Rotationa
The two-rotational-degrees-of-freedom(2R) parallel mechanism(PM) with two continuous rotational axes(CRAs) has a simple ......
A NOTE ON THE MODEL REFERENCE ADAPTIVE CONTROL OF LINEAR PARABOLIC SYSTEMS WITH CONSTANT COEFFICIENT
The problem of constructing a model reference adaptive control law for an uncertain 1- dimensional parabolic system with......
目的:比较7个厂家复方银翘氨敏胶囊在4种溶出介质中的溶出曲线,以评价其质量。方法:采用篮法、转速100 r·min~(-1)、溶出介质900 ......
在管内径9.0 mm、壁厚1.5 mm、螺旋管绕径283.0 mm的立式螺旋管内,对CO2流动沸腾换热特性进行实验研究。分析热流密度(q=1.4~48.0 ......
传统的Ziegler-Nichols(Z-N)PID参数整定法往往不能达到最佳的控制性能.提出一种免疫果蝇优化算法(Immune Fruit Fly Optimization......
混凝土坝在爆炸载荷下的力学行为研究是防灾减灾与防护工程领域的重要研究课题。开发了一个适合于脆性材料破坏模拟的随机网格生成......
针对光伏发电最大功率点跟踪（MPPT）中，采用常规模糊控制存存量化因子、比例因子整定困难，自适应性差等问题，提出一种智能集成的控制方法......
旋翼桨-涡干扰(BVI)噪声是旋翼气动噪声抑制的主要对象之一。其中,高阶谐波控制(HHC)是一种较为有效的噪声主动抑制方法。为探究HH......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
移动P2P具有一些良好的特点,但是由于移动设备之间的多维异构,设备具有较低的带宽,较高的数据传输代价,加之资源分布的任意性,使得......
将HPLC-UV法与空间夹角判据结合,建立了化妆品中对羟基苯甲酸酯定量分析方法.通过高效液相色谱对待测样本进行分离,构建不含被测组......
目的基于非下采样Contourlet变换(NSCT)融合策略可以有效地抑制背景信息增强变化区域的信息。但是融合后图像具有复杂的统计特征,......
气候变化对河流和湖泊水环境的影响是当前国际国内关注的热点问题和学科前沿问题之一.但是由于其复杂性和不确定性,目前对该问题的......
提出了一种针对锰酸锂/活性炭混合式超级电容器的建模与仿真方法，用这种方法找出了模型中的关键参数，并通过多种精密测试方法测量了......
慢性肾脏病( CKD)患者逐年增加,心血管疾病作为其最主要的并发症,决定着 CKD患者的预后. 尽管目前临床医师已经对CKD患者进行了相......
