First, a simple discussion for the mechanism about electrostatic atomization of the liquids has been given ; then the paper theoretically analyzed waving course, liquid drop producing course, and the liquid drop diffusing course in electrostatics atomization process., gave an analysis about the methods about carrying charges to the liquid drop, and analyzed that liquid with high electrical conductivity can be carried charges and atomized by electric field, while the isolated liquid with low electrical conductivity can be charged fully with the soakage electrode and inducing charge methods. at last the paper designed and configured the experimental equipment, conducted the atomization experiment to the three liquid medium - kerosene, emulsifier and alcohol under the same environment, handled the experimental results, then summarized the relationship between liquid electrostatic atomization effect and liquid surface tension, electronic conductivity and viscosity, along with the influence of voltage to electrostatic atomization and so on, found out the liquid atomization rule in high voltage electrostatic field
首先，對液體
介質的靜電霧化機理作了初步的探討，理論上分析了液體霧化過程中射流區、波
紋區、霧滴區和霧滴擴散區;然後對液體荷電方法進行了研究分析，對于高電導率的液體，場致荷電和接觸荷電可以使其霧化，而對于電導率較低的絕緣液體，需用浸潤電極荷電和感應荷電方法使其充分帶電;最後，根據前面的研究分析，設計和組裝試驗裝置，在同一環境下對煤油、乳化劑、酒精三種不同液體
介質進行高壓靜電霧化試驗，並對試驗結果進行分析處理，總結出液體靜電霧化與液體表面張力、電導率和粘度的關系及電壓對液體靜電霧化的影響等，得出高壓靜電場中液體霧化的一般規律。
Scattering of sh - wave by a radial collinear crack at the edge of arbitrary - shape - cavity in isotropy media is studied. the solution of dsif at crack tips is obtained
研究了各向同性
介質中任意形孔邊徑向裂
紋對sh波的散射，求解了裂
紋尖端的動應力強度因子。
The results of experimental investigation on heat transfer and fluid pressure drop of spirally fluted titanium - tubes for steam condensation are reported and analyzed
摘要
介紹了鈦螺
紋槽管傳熱及流動阻力的實驗結果，並對結果進行了分析。
Among them the gray level co - occurrence matrix ( glcm ) and gray gradient co - occurrence matrix ( ggcm ) methods, which attributed to the statistic textural analysis scheme were then chosen to extract the textural features of five kind areas on satellite images. in the second part the principle of classification and bp neural network were introduced. combined with textural features, the improved bp neural network successfully performed on the classification of the satellite images
論文的第一部分
介紹了進行
紋理特徵研究的一些典型的方法，利用其中的基於統計的
紋理分析法中的灰度共生矩陣以及灰度一梯度共生矩陣法，分析了衛星雲圖上五類區域的
紋理特性；第二部分主要
介紹了遙感圖像分類原理以及神經網路中的bp演算法，在對演算法原理進行深入理解的基礎上，把
紋理特徵與神經網路進行組合，實現對衛星雲圖進行分類分析；第三部分內容是在前面圖像分類結果的基礎上，對序列圖像用相關匹配法進行運動分析，反演雲跡風風場。
Integrating tynman system with polarized system together, the laser interferometer is compatible for the surface with different reflectance. first, on the basis of synthesizing different interferometric microscope, the author introduced a kind of lase interferometer combining polarized interferometry and real - time phase detection algorithms. first, a kind of optical configuration is introduced, which is realized in the above interferometer
本文在分析了國內外不同干涉顯微系統的基礎上，根據干涉顯微測量方面的需求提出了採用偏振干涉和條
紋掃描方式實時檢測波面位相的激光干涉顯微系統，提出了一種可用於表面微觀輪廓及粗糙度參數測量的光學顯微干涉系統的光路，然後
介紹了條
紋掃描波面位相實時檢測技術以及四步移相法，並在此基礎上完成了光學系統及相關的機械結構。
Secondly, the steps of the glass ' s image processing are discussed in detail. based on the experiments and the characteristics of interference fringe, we pre - process the images with median filter and image segmentation with dynamic threshold. after marking and thinning the resulted fringes, we analyze linearly the unifor mity of product ' s samples with the characteristics of the framework
然後，結合檢測系統中玻璃干涉圖像處理的任務，詳細
介紹了處理的各個步驟：通過實驗比較，並結合干涉條
紋圖像的特點，選擇中值濾波、動態閾值分割等技術對圖像進行預處理；然後對獲得的二值條
紋進行標記、細化，提取條
紋骨架；最後，用骨架的特徵進行線性分析，識別條
紋的類型，判斷玻璃樣品的均勻性。
This article introduces the design ideas of the nature moreen fabric, processes and product characters
摘要
介紹了自然界波
紋織物的設計理念、工藝過程及產品特徵。
Most of the dynamic process data in the solid material, such as the dissemination of stress waves, the fold of stress waves, and the interaction of crack and stress waves can be acquired directly by the dynamic photoelasticity experiment
動光彈實驗能直接獲得固體
介質中應力波的傳播、疊加以及裂
紋與應力波相互作用的動態過程，可真實反映爆炸過程的信息與規律。
This system provides photo elastic, moire, holographic, speckle technology contained in optical measure strain and displacement analysis software interface, and mainly realizes photo elastic image collection, interference image pretreatment, automatic skeleton extract method, automatic main strain trace protraction method and planar photo elastic image strain analysis function. all the work that the author has done has established a good foundation for more realization of an intact optical measure image strain analysis software system. furthermore, engineer and lab assistant can quickly obtain concise, intuitionistic and quantificational information
該系統提供了光測力學所包括的光彈法、雲
紋法、全息法以及電子散斑法等技術應力和位移分析軟體實現的
介面，主要實現了等差線圖像和等傾線圖像的採集、干涉條
紋圖像預處理、全自動提取光彈條
紋圖像骨架線、全自動繪制主應力跡線以及二維光彈應力分析功能，為進一步開發完整的光測力學圖像應力分析軟體奠定了基礎，同時使工程技術人員以及實驗人員能夠迅速的獲取簡明、直觀、定量的信息。
Manufactory profile : manufactory lies in qinglong lake county fangshan district beijing city china, main process yellow quartzite
工廠簡
介：工廠位於中國北京市房山區青龍湖鎮，主要生產加工黃木
紋石英巖。
Based on the aircraft structure fatigue theory, the article discussed the theoretical basis of methods that are usually used for aircraft structure fatigue crack - forming life estimation, i. e. the stress severity factor approach ( normal stress approach ), the local stress & strain approach, detail fatigue rating approach ( dfr ). also the processes of life estimation of these approaches are studied in the article
文章在簡要
介紹飛機結構疲勞強度理論的基礎上，對目前飛機結構勞疲勞裂
紋形成壽命估算常用的應力嚴重系數法（名義應力法） ，局部應力應變法，細節疲勞額定值dfr法的理論依據作了較詳細的論述，同時對這些估算方法進行壽命估算的過程與步驟也作了詳盡的闡述。
The synchronous sensor and velocity sensor for high speed rotating - mirror streak camera are described
論文
介紹了高速轉鏡式條
紋相機高性能同步傳感器和速度傳感器。
Chapter 4, a large part of this paper, is devoted to describe the experimental setup, the laser beam reshaping, the beam diagnostics, and the improvements of a streak camera. this is also an important part of my work for it is to establish a stable experimental platform for the further research
實驗條件的建立是這個工作的一個重要組成部分，所以在第四章用較多篇幅
介紹了激光的空間整形和時間整形、激光的光束診斷方法、條
紋相機的改進、簡易靶的製作方法等等。
The paper introduces briefly the characteristics of afit, the significance of the fingerprint image pre - processing and all parts of afis ( automatic fingerprint identification system ), then expatiates on the image pre - processing included image segmentation, image enhancement, image binarization and thinning
本文首先簡要
介紹了指
紋識別技術的特點、指
紋圖像預處理技術意義及自動指
紋識別系統的流程，然後主要闡述了指
紋圖像預處理中的圖像分割、圖像增強、圖像二值化及細化等部分的演算法實現。
A threaded electrical fitting to connect a fixture to an outlet box
螺
紋介面用於接合電氣裝置和引出盒的螺
紋介面
E., ., . radio - frequency connectors ; part 27 : radio - frequency coaxial connectors with screw coupling, typically for use in 75 ohms cable distribution systems type e
射頻連接器.第27部分:帶有螺紋介面的射頻連接器:主要用於75電纜分配系統
