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Call for action: Increased healthcare utilization with growing use of percutaneous cholecystectomy t
Background: Acute calculous cholecystitis (ACC) is frequently seen in cirrhotics, with some being poor candidates for in......
Periodicity in the most violent solar eruptions: recent observations of coronal mass ejections and f
Using the Hilbert-Huang Transform method, we investigate the periodic- ity in the monthly occurrence numbers and monthly......
A new fast two-dimension 8×8 discrete cosine transform (2D 8×8 DCT) algorithm based on the charac-teristics of the bas......
A concept of statistical multiresolution analysis in amplitude-frequency domain is proposed, which is to employ the wave......
The hydrolysis reaction of (±)-2-acetamido-3-hydroxy-1-(4-nitrophenyl)-1-propanone[(±)-[STHZ]1], an intermediate of ch......
Aiming at the characteristics of the seismic exploration signals, the paper studies the image coding technology, the cod......
The porous scaffold of the sol-gel derived bioactive glass(BG) in the system CaO-P_2O_5-SiO_2 was treated with the type ......
A concept of dual gas solid reactions with the converse vector that simultaneously take place inside the pellet and bet......
The input work expression and the thermodynamics-based modelling framework for unsaturated expansive
In this paper, based on the porous media theory, the specific expressions of the total stress and the input work of unsa......
The variation of sediments organic carbon content in Chongming east tidal flat during Scirpus mariqu
The investigations on the organic carbon (OC) of core sediments were carried out in Chongming easttidalflat(CM ) during ......
Network flow control is formulated as a global optimization problem of user profit. A general global optimization flow c......
Clinical and pathological characteristics of septum pellucidum tumor and choice of surgical approach
Background Tumor involving the septum pellucidum is uncommon. Surgery as the main therapeutic procedure for this lesion ......
Studies on the solid state reactions of coordination conpounds——XLⅤⅢ.The effect of KSCN on the therm
The evolved gaseous analysis (EGA),infrared spectra,and XRD have been appliedto the study of solid state reactions of K......
Sublimed D-,L-,and DL-leucine under vacuum were subjected to ~(60)Co γ-irradiation withdifferent doses.The enantiomeri......
Hydrogen storage of aligned multi-walled car-bon nanotubes (a-MWNTs), non-aligned MWNTs (n- MWNTs) and graphite electrod......
The title compound bi(2-nitrilethyl)aminoacetonitrile has been prepared by the addition reaction of aminoacetonitrile wi......
Kinetics and Mechanism of Exothermic First-stage Decomposition Reaction of 2,6-Bis(2,2,2-trinitroeth
The thermal behavior, mechanism and kinetic parameters of the exothermic first-stage decomposition of the title compound......
The dynamic soil-tunnel interaction is studied by the model of a rigid tunnel embedded in layered half-space,which is si......
The Cr doped into TiO2(110) surface has been studied systematically by using periodic DFT/B3LYP method with slab model. ......
The decomposed process of bastnaesite, monazite and mixed rare earth concentrate in CaO-CaCl-CaCl2 was studied by means ......
The thermal decomposition process of air-aged La2O3 in argon atmosphere was studied using nonisothermal TG-DSC. X-ray di......
Kinetics of Hydrazine and Monomethyl Hydrazine Oxidation Reaction Catalyzed by Pt in Ni tric Acid Sy
It is needed to adjust the valent state of Pu frequently in Purex process. Hydroxylamine and its derivative dimethyl hyd......
The management system of decommission engineering document is a document managementsystem which is developed to achieve ......
During N2-O2 simulated saturation at a depth of 36.5 m the frequency, amplitude and index of a waves decreased and the ......
An image can be decomposed into the structural component and the geometric texturalcomponent.Based on this idea,an effic......
Fin stabilizers with fin-lift feedback control can shield the mapping error of calculation between the fin angle and fin......
采用化学气相淀积淀积ＳｉＣ薄膜中ＳｉＨ４、ＣＨ４的分解产物种属进行数学建模，并结合相关热力学数据进行计算机模拟，得出ＳｉＨ４分解产物中以ＳｉＨ２为最多，ＣＨ４以ＣＨ２为最多，表......
在对红柱石的热分解进行实验研究的基础上，运用周长一面积法测定了分解颗粒的分形维数，并利用分形维数与反应时间的关系探讨了红柱石......
系统地分析了小波变换的物理意义和特点，将小波变换原理于微机保护数字滤波器。仿真表明，该滤波器可以准确地滤除信号中的直流分量和......
系统分析了小波变换的物理意义和特点,包括积分小波变换、二进小波变换和小波的分解重构。并进一步将小波变换原理应用于微机保护......
Ｃｏ（ＣＯ）３ＮＯ吸附进入Ｙ分子筛超笼，笼中不同交换阳离子对其吸附和分解起不同作用。研究不同交换阳离子Ｙ分子筛上Ｃｏ（ＣＯ）３ＮＯ的吸附和热分解发现，吸附金属络合物......
竖窑烧制石灰,投资省,占地少,加工费用低,但石灰分解率低,活性不好,而回转窑正好相反。本文对氧化铝生产中采用竖窑和回转窑煅烧石......
Effects of Ca￣（2＋）ions antagonistic to Al￣（3＋）ions poisoning in root growth，cell division and nucleo
ＥｆｆｅｃｔｓｏｆＣａ￣（２＋）ｉｏｎｓａｎｔａｇｏｎｉｓｔｉｃｔｏＡｌ￣（３＋）ｉｏｎｓｐｏｉｓｏｎｉｎｇｉｎｒｏｏｔｇｒｏｗｔｈ，ｃｅｌｌｄｉｖｉｓｉｏｎａｎｄｎｕｃｌｅｏｌｕｓｉｎｒｏｏｔｔｉｐｃｅｌｌｓｏｆＡｌｌｉｕｍｃｅｐａＬｉｕＤｏｎｇｈ.........
目的 探讨颞骨外伤性骨折面瘫,保全和重建听骨链的面神经全程减压术对面瘫与听力恢复的效果。方法 对11例颞骨骨折引起面瘫者,行保......
目的探讨后入路经椎弓根椎体楔形截骨治疗胸腰段创伤性后凸畸形的临床疗效。方法对我院脊柱外科2011-03-2015-05收治的26例脊柱胸......
[目的]探讨早期切开减压同时AO微型钢板内固定治疗闭合性多发掌骨骨折并发急性骨筋膜室综合征的疗效.[方法]2000年2月～2004年12月,......
文章给出的定理将设计矩阵Pn=∑k=1^nXkX′k分解成对角块矩阵，对角元分别对应于平稳的.振荡的和爆炸的自回归子模型.其中X′k=（X（k），…，X......
合成了5种含碘的电荷转移复合物,对其热化学烧孔性能进行了研究,在它们的单晶上成功写入了信息点阵.通过热重分析获得了5种材料的......
目的比较不同入路减压内固定术治疗无骨折脱位型颈脊髓损伤（cervical spinal cord injury without fracture and（dislocation,CSCIWF......
青藏高原是我国生态建设型禁限止开发区的重要组成部分,该区农村居民收入变化是当前国内主体功能区研究和“三农”问题研究的热点.......
为研究不同时期收获的籽粒苋还田后对土壤养分的影响,采用室内恒温培养模拟籽粒苋还田,测定了生长45,55和65d收获的籽粒苋还田后土......
目的:探讨脊柱骨折合并脊髓损伤的治疗措施、手术时机及疗效.方法:对1986-09～2001-09我们手术治疗的脊柱骨折合并脊髓损伤63例进行......
用HPLC测定美洛昔康原药中有关物质和降解产物含量。色谱柱为Waters Novapak C18柱，流动相0.05mol/L磷酸二氢钾(pH 4.0)-甲醇(40：60)......
油松是贺兰山天然林区的重要建群种,生长已有近百年历史,已经形成了深厚的凋落物层,对促进森林土壤养分积累与森林的自然更新起着......
Study on the effects of sonolysis, ozonolysis and US/O3 system on the decomposition ofp-chlorophenol in aqueous solution......
Sublimed D-,L-,and DL-leucine under vacuum were subjected to <sup>60</sup>Co γ-irradiation withdifferent doses.The enan......
临床的视神经损伤可发生在从球后到颅内的各段.造成严重损伤必须具备足够的致伤力度.伤后无光感的预后差.视神经管减压手术效果不......
力学分布式参数描述了扬声器单元的振动与声辐射面之间的关系。这些参数是预测声压输出和把总的振动分解成不同模态或是与声压有关......
从Gaussian函数出发，根据尺度呈级数变化的特点，导出了反对称提升小波滤波器。该滤波器低通响应关于原点对称，高通响应关于原点反对称......
