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目的 对晚期肿瘤患者安宁疗护中疼痛管理的作用进行探讨。方法选取72例晚期肿瘤患者，2016年10月至2019年10月就诊，随机分成对照组和......
Efficacy of different formulation of Imazethapyr on control of weeds in Arachis hypogaea L.and its r
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Non-Uniqueness of Einstein’s Special Relativity, and the Inconclusiveness of High Energy (Relativist
In this paper, we present a new form of “special relativity” (BSR), which is isomorphic to Einstein’s “special relat......
By mapping the homogeneous coordinates of two points in space to the Plücker coordinates of the line they determine......
4月23日,以“畅想绿色未来”为主题的北京车展在北京中国国际展览中心隆重开幕。W3展馆内,东风悦达起亚联合起亚汽车共同打造的1,0......
戴姆勒日前宣布,与日本东丽集团合作研发的碳纤维零部件计划配装在2012年推出的新款奔驰SL系列车型上,双方决定成立合资公司,共同......
Growth of single crystal K_3Y_3(BO_3)_4 with low-symmetry structure and multi-type of substitutional
Single crystals of K_3Y_3(BO_3)_4 were grown using the KBO_2, Li F, and Li_2CO_3 as the fluxes by the top-seed solution ......
A new complex of magnesium with tetrazole-1-acetic acid (tza) has been synthesized and characterized by elemental analys......
[Objective] To analyze volatile oils of Curcuma longa Linn in Hainan Province in different harvest period. [Methods] Tak......
在天然气净化厂的Super Claus硫磺回收装置中880NSL型H2S/SO2比值分析仪被广泛应用。H2S/SO2比值分析仪的使用情况对硫磺回收率及......
Synthesis,Structure,and Property of a Three-dimensional Channel Quaternary Compound:Cs_(0.75(6))Er_(
A new quaternary rare-earth sulfide,Cs0.75(6)Er4.43(5)In3.32(6)S12(1),is discovered by high temperature solid state reac......
The seismic stability of a cracked dam was examined in this study. Geometric nonlinearity and large deformations, as wel......
于去年10月推出的徕卡SL相机,拥有全画幅无反光镜设计、世界上最快的全自动对焦系统、11张/秒的高速连拍,以及4K视频录制功能,一切......
TIPA实验室Better Net Gmb H近期公布了徕卡SL、索尼A7SⅡ、索尼RX1R和佳能G5 X这几款数码相机的测试报告。此次选登的相机测试摘......
STUDIES ON DERIVATIVES OF 2, 3-DIHYDRO-4 H-1, 3, 2-BENZOXAZAPHOSPHORINE——THE DETERMINATION OF THE CR
The two crystal structures of C_(17)H_(17),N_2O_2Cl_2PS (NP-8) and C_(17)H_(19)N_2O_2PS (NP-10-Ⅱ) have beendetermined ......
在粘结型轻油蒸汽化制氢上段催化剂中,钾霞石是作为有效抗碳组份钾的“储存器”而加入的。由于在它的合成过程中引入了CaO而含有......
SL—1型催化剂是用于抗烯烃转化制氢的国产催化剂。对其运转过程各个阶段的样品进行物相分析及其它物理化学性质的测试,不仅有助......
The Influence of S_2 Microfibril Angle on Longitudinal and Tangential Shrinkage in China-fir (Cunnin
The first objective of this study was to investigate the variation of microfibril angle (Mfa), tracheid morphology and ......
Annual conference outlines tasks for 2010 to solidify China’s economic recovery through rational investment and increas......
Effect of a gate buffer layer on the performance of a 4H-SiC Schottky barrier field-effect transisto
A lower doped layer is inserted between the gate and channel layer and its effect on the performance of a 4H-SiC Schottk......
The kinetic procedure of the unfolding of lysozyme induced by the reduction of disulfide was monitored by the time-resol......
SL-450型选金机是我国砂金选矿中最新研制的机种.该机具有结构简单、体积小、重量轻、入选粒级宽(-60～+0.074毫米均可入选)维护简......
对ＳＬ砂浆灰的生产配方、各种物理力学性能及其在砌筑砂浆和抹灰砂浆中的应用进行了大量的试验，为其在建筑砂桨中应用提供了理论依据。......
Ⅰ.IntroductionChina has maintained a fairly high speed of growth in itseconomy since it introduced the policy of refor......
Modeling and Simulation of the Microstructure Evolution of the Gas-atomized Alloy Droplets during Sp
In order to understand the solidification process of an atomized droplet and predict the fraction solidification ofdrop......
X.500使用的目录访问协议DAP是OSI协议族上运行的标准目录服务协议。由于OSI协议栈开销巨大，而目前普遍使用的Internet是基于TCP／IP......
