Chagan sag is a secondary tectonic unit in chagandelesu depression, northeastern yingen - eji ' naqi basin, and the basement of the basin is a paleozoic fold belt of continental margin or island arc at the connection region of north china plate * tarim plate and kazakstan plate, with the character of erogenic belt. in working area and its adjacent area, the forming tectonic setting of indosinian intrusion was that orogenic belt pressed strongly, intracontinental subduction ; that of early yanshan movement epoch was the stress field transferred from compression to extension meanwhile the incrassate crust of orogenic zone turned to extensional collapse ; and that of early cretaceous volcanics was that the area structure extensional collapse further more during the post period of orogenic phase
查干凹陷屬于銀根?額濟納旗盆地東北端查干德勒蘇坳陷內的一個次級構造單元，其盆地
基底為古生代時期華北板塊、哈薩克斯坦板塊和塔里木板塊交接部位形成的陸緣或島
弧褶皺帶，具有古生代造山帶的性質。研究區及鄰區印支期侵入巖形成於造山帶強烈擠壓陸內俯沖的構造環境；燕山早期侵入巖形成於由擠壓轉向拉伸、造山帶的增厚陸殼開始發生伸展垮塌的構造環境；早白堊世火山巖形成於造山期后進一步發生伸展垮塌的區域構造環境。
Chagan fault depression is a secondary tectonic unit in chagandelesu subbasin, northeastern yingen - ejinaqi basin, and the basement of the basin is a paleozoic fold belt of continental margin or island arc with the character of erogenic belt at the connection region of north china plate, tarim plate and kazakstan plate
查干德勒蘇凹陷屬于銀根?額濟納旗盆地東北端查干德勒蘇坳陷內的一個次級構造單元。其
基底為古生代時期華北板塊、塔里木板塊和哈薩克斯坦板塊交接部位的陸緣或島
弧褶皺帶，具有古生代造山帶的性質。
The paper studies the surface geometry of globoidal indexing cam by applying the theory of conjugate surfaces and the method of coordinate transformation, presents the equations related to the main inducement curvature of the cam profiles, analysis and deduces the equations of two circumscription curves, which judge if the conjugate surface could mesh properly. some calculate examples and conclusion are given. the surface equation of the globoidal cam and conjugate equation are established
論文首先在分析空間嚙合原理
基礎上，採用坐標變換法推導出
弧面分度凸輪的工作廓面方程、嚙合方程和壓力角計算公式，對
弧面分度凸輪的嚙合特性進行了深入的分析和研究，對判斷曲面能否正確嚙合的依據如兩類界限線方程以及誘導主曲率等進行推導，並給出算例。
Before repairing, basing on the actual working condition, concerning the weldability, stress and deformation issues, the scheme of the cold welding technology whose essential being gtaw, low temperature preheating, postweld hammer the welded seam was established
修理前，圍繞兼顧解決焊接性、應力和變形問題，結合實際施工條件制定了以手工鎢極氬
弧焊、鎳
基焊絲、焊前低溫預熱、焊后錘擊焊縫為要素的冷堆焊工藝。
After canvassing the basic theories and methods of reliability and optimization design of the transmission system, analyze the designs of the v - belt transmission, arc cone gear and disk spring separately. it is propitious to raise efficiency, improve capability, increase reliability, and decrease cost and so on
在研究了機械可靠性優化設計
基本理論和方法之後，分別分析了v型帶傳動、圓
弧錐齒輪、液壓卡盤碟型彈簧的可靠性優化設計，對其進行針對性的研究，並通過試驗對設計結果進行檢驗。
First the sketch / datum plane is fitted by least - square distance, then the extruded direction or axis with the flank points of the cloud is extracted in quadratic paogramming arithmetic, and certain points projected to gain 2d sketched datas. feature points are defined to segment the sketch datas, and the sketch profile is generated by fitting separately the line and circle segment
使用最小二乘方法擬合草圖
基準平面，採用二次規劃方法提取拉伸方向和旋轉軸線，然後將數據點投影以獲取草圖數據，通過柵格劃分提取草圖邊界輪廓數據，再對這些邊界數據進行
基於特徵點的分割，以直線和圓
弧段擬合出草圖輪廓。
Based on the geometry characteristics of bertrand surfaces, the complicated surface conjugation issue can be discussed with their directrix line. according to the different generatrix line which can be divided into common plane curve, circular - arc curve and straight line, bertrand conjugation surfaces are parted into three typical types, and the basic equation and differential formula are established, then the conjugation conditions are found. aiming at the inclusive problem, the structure condition is given
論文將白川德共軛按母線為一般平面曲線、圓
弧、直線分為三種典型類型，分別建立了共軛的
基本方程與微分關系式，據此給出了各種類型的共軛
基本條件，發現這是一類更強更嚴的條件，存在有相容問題，進而研究了白川德共軛的結構條件，至此確立了白川德共軛的
基本框架。
In the simplified model the feeder switches are regarded as the vertexes and the feeder lines as the arcs of a graph
簡化模型把配電網描述為有權的節點和
弧的圖，在此
基礎上進行故障的定位、隔離和恢復處理。
A new model of distribution system is presented, whereby, the feeder switches are regarded as the vertcxes of a graph and the feeder lines are regarded as the arcs. the method to model distribution networks by adjacent table is put forward. therefore, storage size is reduced and calculation is speeded up
建立了配電網的簡化模型，即將饋線開關當作圖的頂點、將饋線當作
弧，採用等長鄰接表的數據結構來描述配電網，大大減少了佔用空間和提高了查詢速度，並建立了
基於等長鄰接表的配電網路拓撲演算法。
And apatite. by these analyses and comparison with general granite both in china and the world and with the granite in other au or cu belt in china, the characteristics of the granite in this area are concluded as follows. it belongs to magnetite - i or syntectic granite and has crust - mantle mixed characteristics ; it was formed mainly by crystallization differentiation of melting magma and multiphase varied intrusion ; the degree of differentiation evolvement is not high ; the granite and its enclaves p. re congenetic ; the range of temperature is about 500 - 700, the range of pressure is about 2. 50 gpa - 4. 35 gpa, and the range of oxygen fugacity ( lg fo2 ) is - 15. 53 - - 14. 00 ; most granite bodies formed before the collision of plates, and few formed after the collision of plates
通過對測試數據的分析與綜合研究，並同中國和世界一般花崗巖類以及中國主要金、銅成礦巖體的花崗巖類進行對比，得出本區花崗巖類巖石具有以下特徵：屬磁鐵礦-型或同熔型花崗巖，其巖漿物質具殼幔混源特徵：主要由熔融態巖漿經結晶分異作用，通過多期變速上侵而形成；其分異演化程度較低；寄主巖
基和包體具有同源性；巖石的形成溫度范圍約為500 - 700 ，壓力大約為2 . 50gpa - 4 . 35gpa ，氧逸度值1gfo _ 2為- 15 . 53 ? 14 . 00 ；該巖帶主要形成於板塊碰撞前消減的活動板塊邊緣期，為燕山至喜馬拉雅早期的大陸邊緣火山
弧環境的產物。
On the base of resemble model, the figure of contracting pipe was changed, the generatrix became arc for once it was straight line, named resemble model
在相似模型的
基礎上，收縮管的直線圓錐改造成母線為圓
弧形的圓錐，稱相似模型。
Expression of thermostable direct hemolysin gene of vibrio parahaemolyticus in e. coli and activity of expressed product
副溶血性
弧菌直接溶血毒素
基因的原核表達及產物的性質
Such research can lead to a new flight procedure design methodology, which copes with these problems and makes strong economical senses. under the guidance of aviation safety, efficiency, regularity and economy, this thesis applies the principle of the instrument flight procedure, firstly, to research the current vor / dme instrument flight procedure, namely the vor / dme instrument flight procedure ( vor / dmf. ifp ), its holding procedures, departure routes, arrival routes, and approach procedures, cor the terminal airspace
本文在安全、效率、正常和經濟的原則下，運用儀表飛行程序設計的思想和原則，首先對在vor / dme導航臺上建立儀表進場航線、等待程序、儀表進近程序和儀表離場航線等機場空域內的飛行程序的設計方法進行了研究，總結出不同位置的vor / dme儀表飛行程序的布局形式、適用情況及其優缺點，並首次提出了以vor / dme為
基準的封閉圓
弧進近程序；其次，研究了
基於vor / dme導航臺的區域導航飛行程序的設計方法；最後，研究了在現有的vor / dme儀表飛行程序上建立區域導航飛行程序的設計方法。
Experimental study on factors affecting degradation of methyl violet wastewater by gas - liquid phase gliding arc discharge
氣液兩相滑動
弧降解甲
基紫廢水影響因素的實驗研究
A two - dimensional plain strain finite element model of infinite plate is developed to investigate the ultrasonic wave propagation and scattering on three kinds of cracks : parallel to the surface, 450 oblique angle to the surface, and quarter - circle
摘要建立了無限長板的具有吸收邊界的二維平面應變有限元模型，在研究了脈沖超聲波在無限長板中傳播的
基礎上，對板中平行於表面的裂紋、與表面成45的斜裂紋和四分之一圓周
弧形裂紋三種情況的脈沖超聲波散射進行了重點研究。
The results indicate : ( 1 ) the distribution of magmatic rocks shows the feature that in the middle and western part of the study area basic igneous rocks dominate, and in the middle - eastern part intermediate rocks are predominant, while in the southeastern part acid ones are developed. ( 2 ) in the area west to the shiwandashan basin, intermediate magmatites were controlled by deep ne - striking and nw - striking faults, especially at the conjunction site of these two group faults, magmatic activity was strong ; and its tectonic background can be attributed to extensional continental rift
其中，在十萬大山盆地以西地區的偏
基性巖漿活動受北東和北西向深斷裂控制明顯，尤其以此兩組斷裂交匯處的巖漿活動強烈，盆地構造背景屬大陸伸展裂谷環境；在十萬大山盆地以東地區為偏酸性巖漿活動，主要受東吳運動形成的欽防造山帶的控制，屬大陸邊緣造山帶或島
弧造山帶環境。
After that, antiplane surface motion features of the shallow alluvial valley of small depth - to - width ratio are investigated in details. the results indicate that surface displacement amplitudes of alluvial valley will not reduce when the alluvial valley become shallow. the maximum amplitudes will move to high frequency with depth - to - width ratio becoming small
在此
基礎上，對小深寬比的淺圓
弧型沉積盆地出平面地表運動特徵做了較深入的研究，結果表明盆地地表位移幅值不會因變淺而減小，最大反應會隨著盆地深寬比的減小而向高頻移動。
The basic principle of treatment is to keep the armpits clean and dry. for severe cases, the sweat glands can be removed by surgical method, or the sympathetic nerve innervating the glands can be cut by endoscopic surgery to stop sweating in the armpits
治療的
基本原則，是保持腋窩的清潔，去除分泌物以減少細菌的繁殖；病情較嚴重的話，可以外科手術割除腋窩的頂漿腺，或利用內視鏡交感神經手術治療，使頂漿腺停止排汗，改善臭
弧的問題。
Secondly, on the base of the analyzing design characteristic, this paper presents theoretical basis according to " design specification about steel gate in water conservancy and hydropower engineering " ( thereinafter for short specification ). it introduces module design means of hmvcad system. in the light of this means, it develops the module that can design the gate according to original data and specification automatically, the module of making the original design by user ' s experience, the module of majorized adjustment, the module of alarm device
其次，本文在分析了
弧形閘門設計特點的
基礎上，按《水利水電工程鋼閘門設計規范》 （ dl t5039 - 95 ，以下簡稱《規范》 ）給出了設計的理論依據，介紹了hmvcad系統的模塊設計方法，據此研製了能根據原始資料自動按規范設計的程序模塊，以及據用戶經驗進行初步設計、優化調整、預警裝置等功能模塊。
The tig inverter welder based on soft - switching technology
基於軟開關技術的氬弧焊逆變焊機
