Studying the rule of the reflect - coefficient at the interface , simulating the seismic wave travel in the field beyond the critical angle , analyzing the wave polarity diversification , all the work provides a theory for the wide - angle reflection 通过研究反射系数在超临界角部分的规律，模拟地震波在超临界角的传播，分析了地震波的极性变化，为广角反射提供理论依据。
The grain size and microdistortion of some nanomaterials synthesized by different methods , from different materials and treated under different disposal conditions were studied by means of wide angel x - ray diffraction ( waxd ) and single line fourier line shape refine analysis 摘要利用广角x射线衍射仪，采用单线傅氏线形精炼分析法，研究不同制备方法及不同处理条件的纳米晶体的晶粒大小和微观畸变。
Offering unrivalled stability , this new type of anti - shake system can provide the equivalent of up to 3 ev to help compensate for camera shake , and is effective for taking wide - angle shots in low light conditions and using slow shutter speeds around 16th of a second at the wide - angle 此全新的防手震系统能提供相当于3ev的相机震动补偿，让您获得无可比拟的相机稳定性；即使在昏暗的灯光下，您也可以慢至16秒的快门速度，拍下完美的广角照片。
This proof merchant already through the authentication , and has set up a file in the panjin114 nets industry and commerce enterprise database , inquires the more detailed enterprise material , please dial the panjin enterprise information desk 0427 - 2871453 2872453 , this enterprise numbers for 1319 兹证明广角婚庆礼仪中心已通过认证，并已在盘锦114网工商企业数据库中备案，查询更详细的企业资料，请拨查询台0427 - 28714532872453 ，该企业编号为1319 。
On may 25 , 2004 the canadian trade office in taipei ctot and the bureau of international cultural and educational relations bicer of the ministry of education in taipei held the inaugural meeting of the working group on education cooperation between ctot and bicer 加拿大视翔高科公司phoenix technologies incorporated pti公司总部位于加拿大卑诗省温哥华，主要为研发与制造世上最快速的超广角主动光学式动作捕捉系统，以制造即时光学3d动作捕捉系统闻名。
Because of the crystalline leading to the piezoelectricity of pvdf , pvdf fiber and pvdf / pa11 fiber ' s structures and crystalline were investigated and analyzed by means of wide angle x - ray diffraction , differential scanning calorimetry , fourier transmittance infra - red spectroscopy and scanning electron microscopy , etc . it was shown that there are two kinds of crystalline - a phase and b phase in pvdf fiber 由于pvdf的压电性与晶体结构有关，于是利用红外光谱、差热分析、广角x光衍射和扫描电镜等测试手段对纯pvdf纤维以及pvdf pa11共混纤维的结构性能及晶型转变进行了深入的研究。
In this paper the formula , the technics , the dosage of the filler and the macromolecule coupling agent are studied which influence the technics condition , mechanical properties , structure configuration . also x - ray large angle diffraction , scan electron microscope , dta etc are used to analysis and test the properties of the pp / talc composites . conclusions as follows : 1 本文系统地研究了复合体系配方、工艺方法、填料及偶联剂用量对复合体系工艺条件、力学性能及结构形态的影响，同时利用广角x射线衍射、扫描电镜、 dta等对复合体系的性能进行了测试与分析，主要研究内容及结论如下： 1滑石粉的加入，虽然使pp的熔化时间增加，但是混炼能耗下降，有利于pp的加工；偶联剂的加入，使pp的熔化时间增加，能耗略有降低，总体而言，对加工无不利影响。
The surface morphologies of thin films were observed by using scan electron microscope ( sem ) and atomic force microscope ( afm ) . based on grazing incidence x - ray diffraction ( gixrd ) equipment , we find that residual stress exist in magnetron sputtering plct film , in addition , the ferroelectric properties of plct thin films were measured by radiant premier lc type multifunctional ferroelectric properties test system 利用广角x射线衍射技术对不同溅射工艺下plct薄膜的相结构进行了研究;采用扫描电子显微镜( sem )和原子力显微镜( afm )分别观察了薄膜的表面形貌;利用掠入射x射线衍射( gixrd )测量了薄膜的残余应力。
This microscope is provided with achromatic objectives , wide field eyepieces , abbe condenser , adjustable built ? in light source , and coaxial coarse and fine adjustment with focus stop . . this microscope with his wide field eyepiece gives a nice and sharp image and is designed in a very modem way , it is designed for clinical experiments and classroom demonstration in medical and hygienic establishments , chemical laboratory , agricultural scientific research nets , research institutes and colleges as well as for the routine examination and research purpose in bioloy , bacteriology , cytology and pharmaceutical chemistry 本显微镜采用消色差物镜、广角目镜、阿贝聚光镜，连续可调的人工光源及带有限位置的同轴粗微动机构，视场广阔、成象清晰、设计先进，可供医疗卫生机构、化学试验室、农业科研系统、研究所及高等院校临床试验和教学示范，以及在生物学、细菌学、细胞学和药物化学等领域作常规检查和研究。
