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PP is a semi crystalline material. 翻译：PP是一种半结晶性材料。
A natural or synthetic crystalline material having piezoelectric or semiconducting properties. 石英一种天然的或人造的晶体材料,具有压电性和半传导性。
First, if the nature of dry-heat sterilization is due to oxidation, the crystalline material may impede the diffusion of oxygen to the cell, thus extending the time to sterilize. 第一，如果干热灭菌的本质是由于氧化，晶体材料可能阻碍氧扩散到细胞，从而延长了灭菌时间。
The results show that vibration injection molding has a great influence on mechanical properties of semi crystalline material molded samples, but no influence on non crys. 将聚合物熔体在振动场中进行注射成型,对制件力学性能与振动参数之间的关系进行了实验研究。
The slabs also are made of ceramic neodymium:yttrium-aluminum-garnet (YAG), which enables the fabrication of larger slabs than those made with crystalline material. 板块也是用陶瓷钕、钇铝石榴石（YAG）制成。这便能造出比用水晶材料制造大得多的板块。
PET material is different than other crystalline materials in that it is crystal clear with light transmission similar to that of glass. PET料与其它结晶性塑料不同之处在于它清彻透明，透视率不亚于玻璃。
The former is used when working with crystalline materials such as flint, chert and obsidian. 之前的人类使用的是晶体类的原料，例如燧石，黑硅石及黑曜石。
structure model of non - crystalline material 非晶态材料的结构模型
In this paper, a number of discotic liquid crystalline materials include triphenylene, phthalocyanine and hexabenzocoronene derivatives will be reviewed. 盘状液晶分子易于形成柱状相结构材料,从而具有较高的电导特性,是理想的电载流子传输材料,可用于制备光电器件。
Deposition of foreign crystalline material 结晶异物沉积
responsive liquid crystalline material 响应型液晶材料
Amorphous materials have disordered atomic structure as compared to crystalline materials: that is, they have only short-range order rather than the long-range periodicity of crystals. 与晶体材料相比，非结晶体材料使原子结构发生无序变化，即：它们只有晶体的短程序列特征，而没有晶体结构的长期周期性特征。
The material is flawed throughout. 这种材料到处是裂缝。
She is currently undertaking research on the synthesis and properties of LDH thin films, spinel ferrite thin films derived from layered double hydroxides, and functional crystalline materials. 2003年调入北京化工大学可控化学反应科学与技术基础教育部重点实验室工作，主要研究方向：阴离子层状薄膜和尖晶石铁氧体薄膜材料的制备及性能研究；功能晶体材料制备及性能研究。
In usual crystalline materials, one finds an inverse relation between the two properties, as for many practical applications, simultaneous presence of both properties is desirable. 在普通的晶体材料中，人们会发现这两种性质之间的相反关系，但是对于许多实际应用来说，两种特性的同时存在才是人们所追求的。
In usual crystalline materials, one finds an inverse relation between the two properties, whereas for many practical applications, simultaneous presence of both properties is desirable. 在普通的晶体材料中，人们会发现这两种性质之间的相反关系，但是对于许多实际应用来说，两种特性的同时存在才是人们所追求的。
He insists the condition to use the best material. 他坚持以使用最好的材料为条件。
That material surpasses all others in fineness. 那种材料精良超过其他所有材料。
In usual crystalline materials, one finds an inverse relation between the two properties, whereas for many practical applications simultaneous presence of both properties is desirable. 在普通的晶体材料中，人们会发现这两种性质之间的相反关系，但是对于许多实际应用来说，两种特性的同时存在才是人们所追求的。
The problem is how we are to get the raw material. 问题是我们怎样得到原材料。