Microporous polypropylene hollow fibrous membranes may be prepared by the melt spinning and cold stretching (MSCS) or thermally induced phase separation (TIPS) method.
对熔融纺丝-冷却拉伸与热致相分离两种制备微孔聚丙烯中空纤维膜的意义、原理、过程、影响因素等进行了评述。
It is shown that the relative concentration of melt structure unit varies abruptly in some extent across the phase border.
熔体结构单元相对含量，在相界线两侧有某种程度的突变。
Crystalline resins have a very sharp melting point and require significant energy (heat) input before they undergo a phase change and melt to a low viscosity.
结晶型树脂有很尖锐的熔点，要求大量的热能才能进行相转变并熔融到一种低粘状态。
Methods: TotanshinoneIIA Nano-liposomes were prepared by freeze-melt, reverse phase evaporation and ultrasonic bath-refining-freeze-drying.
分别采用冻融法、逆相蒸发法、超声-匀浆-冷冻干燥法制备丹参酮IIA纳米脂质体。
Recently, phase change or "hot melt" ink jet technology has been an emerging offshoot of the ink jet industry in recent years.
近十多年来，相变或热熔喷墨打印技术在迅猛发展的喷墨打印领域里逐渐崭露头角。
The invention also discloses a method for constructing the melt plate as well as an ink adding machine for adding solid ink into a phase change ink printer.
还公 开了一种构造该熔化板的方法以及一种用于将固体油墨加入相变油墨 喷墨打印机中的加墨机。
The solubility, melt point and density of HJ-20-2 vapor phase inhibitor are investigated.
考察了HJ - 2 0 - 2气相防锈剂的溶解度、熔点、堆密度等物理化学性能。
The phase transformation of synthesized plate of melt was studied.
对合金熔体的合成片相变进行了研究。
The traditional manufacturing methods include powder-sintering, melt-spinning and cold-stretching, thermally induced phase separation, state track etching, non-solvent induced phase separation, etc.
微孔材料的传统制造方法有粉末烧结法、熔融拉伸法、径迹蚀刻法、非溶剂致相分离法等。
Elastic polypropylene hollow fibers were obtained from the blend of polypropylene and paraffin oil which was extruded in melt and then cooled in a high stress field (phase separation occurred).
将聚丙烯和石蜡油的混合物熔融挤出，使之在较高的应力场下冷却和相分离，得到了弹性聚丙烯中空纤维。
The firing of enamel frit is a process of "Liquid-phase Sintering". Its mass transfer is based on the viscous flow of the melt.
搪瓷釉的烧成过程是一种“液相烧结”过程，其传质有赖于熔体的粘性流动。
Different from the traditional active metal brazing, RAB uses a liquid-phase oxide-metal melt at high temperature and the process does not require a vacuum or inert atmosphere.
与传统的活性金属钎焊不同，它采用的是一种高温下形成液相的氧化物-金属钎料，并且钎焊过程不需要真空或惰性气氛保护。
The growth process of side-branching of dendrites during solidification of pure Ni melt was studied by the phase-field simulation.
在相场模拟中，通过捕获液态界面，系统研究了过冷对纯金属熔体凝固过程中树枝晶侧向分枝形貌的影响。
The affecting law of structure fluctuation and energy fluctuation on dendrite growth in pure undercooled melt was studied by simulation of a phase-field method.
采用捕获液态界面改进的相场方法，系统地研究了结构起伏、能量起伏对过冷纯金属熔体中树枝晶生长的影响规律。
The affecting law of structure fluctuation and energy fluctuation on dendrite growth in pure undercooled melt was studied by simulation of a phase-field method.
采用捕获液态界面改进的相场方法，系统地研究了结构起伏、能量起伏对过冷纯金属熔体中树枝晶生长的影响规律。
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