In integrated circuit-grade single silicon Czochralski growth,the position and material of heat shield are main parameters affecting the heat exchange and cryst
Piezoelectric ceramics of 0.6(Bi0.9La0.1)FeO3-0.4Pb(Ti1-xMnx)O3 (BLF-PTM) for x=0, 0.01, 0.02, and 0.03 were prepared by sol-gel process combined with a solid-s
Li/Sb-doped (Na,K)NbO3 with a nominal composition of [Li0.05(Na0.535K0.48)0.95](Nb0.94Sb0.06)O3 ceramic was synthesized by normal sintering. The phase structure
Ti-Cr- 和 Ti-Mn-based 合金被准备是为一个双阶段的低压、高压的阶段金属超级高压的金属氢化物氢压缩机。他们的结晶的特征和氢存储性质被调查。合金对 Ti0.9Zr0.1Mn1.4-Cr0
目的观察己酮可可碱（PTX）治疗慢性充血性心力衰竭（CHF）患者远期疗效。方法81例CHF患者在常规抗心衰治疗基础上被随机分成PTX组（PTX 200mg，每133次，n=41）和安慰剂组（n=40），共治疗12个月。
This article puts forward a new method of recycling materials in diamond tools comprehensively and efficiently by means of analyzing and summarizing various met
The leaching kinetics of silver and lead simultaneously from zinc residue by chloride was investigated.The effects of stirring speed,temperature,sodium chloride
目前,新媒体层出不穷,传统平面媒体虽然在国家、地方政府关乎大政方针的重大报道中仍然保持着权威性,但是在经营活动中的影响力却陷入了一个被各路新媒体挤压的困局。本文通过泰州碧桂园全媒体营销的成功案例,深入探索了传统平面媒体突破"传统"局限,在大力发挥权威报媒优势的同时,充分发挥自身影响力,多维整合资源,在经营活动中打出了一套漂亮的组合拳,新闻、广告、新媒体、线下活动全方位立体融合,重振传统报媒雄风,取
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过去5年．越南年均经济增长超过了7．5％．成为继中国之后发展最快的亚洲国家。已跻身亚洲经济最具活力国家行列。其翻天覆地的转变是从1987年越南在农村开始实施承包责任制的结果。