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151. The compatibility, crystalline structure, transitions and some mechanical properties of PEK-C/PEEK blends were studied by DMS, DSC, X-ray diffraction and Instron.

152. These results are in accordance with the X-ray diffraction data of La(98)HY.

153. A solution is obtained for the problem of the diffraction and scattering of the lateral wave propagating over a forested flat-curved-flat terrain by the mode matching procedure.

154. The principle of measuring the light velocity with the method of wave modulation by ultrasonic diffraction crystal grating is analysed, and the experiment method is introduced.

155. The optimal IDT aperture and the aperture ratio are determined by calculating diffraction response.

156. On the basis of Fraunhofer diffraction theory, the diffraction patterns of a Varied Line-space(VLS) grating were obtained for incidence beam in parallel and uniform.

157. Phenomenon of Moire fringe is explain by ordinal number equation and diffraction theory respectively.

158. The researchers analysed the sizes and structures of ash particles using a variety of techniques, such as atomic force microscopy(sentencedict.com), scanning electron microscopy and X-ray diffraction.

159. The procucts were characterized by scanning electron microscope ( SEM ) , infrared spectra ( IR ) , raman shift ( Raman ), X - ray diffraction ( XRD ) , thermogravimetric analysis ( TGA ).

160. The X-ray diffraction (XRD), excitation, emission and phonon side band spectra of the upper and lower parts of crystals were measured.

161. And point out the beams whose expression is the zeroth order Bessel function is not nondiffraction beams, but it is a kind of special Fresnel diffraction beams or interference.

162. When the laser beam goes through the diffraction grating, it is split up into a central bright beam plus a number of side beams.

163. The reaction mainly occured at amorphous region, which was revealed in X-ray diffraction and SEM photos.

164. By examinations of metallograph, microhardness, X-ray diffraction, the author determines the boriding layer's microstructure and hardness curve.

165. Evidently diffraction, as well as interference, is a wave property.

166. Numerical results demonstrate that CSR fan-out gratings with high diffraction efficiency and good uniformity can be obtained by using the algorithm proposed hereinbefore.

167. Acousto-optic technology of Bragg diffraction is a new kind of borderline science and application technology.

168. Through X " diffraction analysis of the protection film , the theory of gas protection certificated. "

169. A new indexing method on the spots of high order Lane zone in electron diffraction pattern has been developed.

169. Sentencedict.com try its best to collect and make good sentences.

170. When the laser beams project in the relief gratings, its transmission diffraction patterns represent the surface informations of the relief gratings.

171. It presents the characteristics of transmissive laser Moire signals and builds mathematic model of two grating diffraction.

172. There will therefore be very little diffraction parallel to the edges of the slit.

173. Geometrical Theory of Diffraction(GTD) is a fundamental algorithm in electromagnetic radiating and scattering, and programming is a key step for its application.

174. The scattering and diffraction of plane P waves by circular-are alluvial valleys with water is studied in this paper. The Fourier- Bessel series expansion technique is used to solve this problem.

175. Directivity and sound diffraction of the pinna of the Megaderma spasma are studied to predict the the role of these outer ear extensions in the biosonar system.

176. The second order diffraction light of Rayleigh scattering light, Raman light, diffused light and the fluorescence diffracted from the grating have been discussed.

177. The investigators "successfully and consistently generated the basic alpha-keratin X-ray diffraction pattern in every hair sample."

178. The effect on amplitude of EXAFS from harmonic caused by high order diffraction of crystal monochromator is discussed.

179. Natural diamond with seed crystal is discovered for the first time in Hunan Province by the study of synchrotron radiation X-ray diffraction topography.

180. Solving some diffraction problems by the method will incarnate its unique advantage.