機上測量 的英文怎麼說
中文拼音 [jīshàngcèliáng]
機上測量
英文
airborne measurements-
They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem
本研究以重慶市的南川金佛山（自然保護區） 、黔江武陵山（國家重點退耕還林示範縣，森林覆蓋率50以上）和北碚中梁山（遭人為破壞嚴重）典型巖溶區為對象，選擇了幾種重要的利用方式，包括林地、果園、耕地、棄耕地和灌草坡，採用野外巖溶生態調查和室內試驗測量分析相結合的方法，以不同土地利用方式巖溶土壤肥力為重點，對不同土地利用方式土壤肥力特徵進行量化分析，找出巖溶土壤肥力差異的主要方面及其根本原因，論文主要從土壤剖面物理退化指標（有效土層厚度、有機質層厚度、質地、團聚體、水分含量等） ，化學肥力退化指標（有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等） ，樣地土壤微生物指標（細菌、真菌、放線菌數量及總量）以及樣地土壤種子庫植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究，為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。Radio disturbance characteristics for the protection of receivers used on board vehicles, boats, and on devices - limits and methods of measurement - specifications for active antennas
道上車輛船舶和設備上用接收機保護的無線電干擾特性.限值和測量方法.有源天線規范Methods of measurement for radio transmitters. part 7 : cabinet radiation at frequencies above 1 ghz
無線電發射機的測量方法.第7部分:頻率1ghz以上的機箱輻射In the thesis. reading the iges file - 3 - and all the geometry entities and annotation entities are extracted ; on the base of geometry entities extracted, geometry entities are classified based to their three views. a new data structure is proposed to describle 3d form features ; inspection items of the workpiece are recognized ; the cmm - based inspection planning system is built ; on the other hand, as a part of cims, cmm need exchanging data with the software of cad / cam, so iges export interface is developed based on iges standard. in order to show the whole information of the surface, the 3 - dimensional free - form surface is drawing using the opengl
通過讀取iges文件對實體進行分離、提取、識別出對工件進行描述的原始信息；在此基礎上，西安理工大學碩士學位論文提出一種優化演算法對三視圖自動進行分離，建立了一種對工件進行三維描述的數學模型，照此模型對工件進行立體重構；識別出工件的各種檢測信息，提出一種對公差信息進行描述的數學模型，井與三維立體相結合，生成有檢測意義的三維實體；根據三坐標機的測量系統，生成相應的檢測規劃；另一方面，作為cmis的一部分，應具有與cad cam軟體之間的數據交換功能，本文還開發了iges輸出介面，採用opengl繪制三維空間曲面，向用戶展示其全面信息。Mechanical vibration - evaluation of machine vibration by measurements on non - rotating parts - part 4 : gas turbine driven sets excluding aircraft derivatives
在非旋轉部件上測量和評價機器的機械振動第4部分:不包括航空器類的燃氣輪機驅動裝置Mechanical vibration - evaluation of machine vibration by measurements on non - rotating parts - part 1 : general guidelines
在非旋轉部件上測量和評價機器的機械振動第1部分:總則Mechanical vibration - evaluation of machine vibration by measurements on non - rotating parts - machine sets in hydraulic power and pumping plants
機械振動.在非旋轉部件上測量評價機械振動.水力發電廠和泵站機組With the reference of many relevant materials, the author prepared a fined molybdenum disulfide powder with a average size of 800nm by ball milling, and a nano - copper with average size of 30nm in micromulsion solution method, and synthesized surface - modified titanium dioxide nanoparticles with average size of 40nm in organic media via sol - gel method. the tribological performances of three particles were studied by universal test as well, with the result of fined molybdenum disulfide powder with good reducing wear and antiwear performance at low load, nano - copper with good reducing wear and antiwear performance at high load, surface - modified titanium dioxide nanoparticles maintaining stable reducing wear and antiwear performance from low load to high load due to its characteristics of organic and inorganic nanocomposite. the results indicate that the nanocomposite is the most perspective oil additive. the reducing wear and antiwear mechanism of nano oil additive was studied with in - situ tribochemical principle. nano additives possess broadly developing prospect with its above - mentioned performance
在參閱了大量文獻的基礎上，分別採用了球磨法、微乳液法、溶膠?凝膠法制備了超細二硫化鉬、納米銅粒子、表面修飾納米二氧化鈦，經原子力顯微鏡測試，獲得的超細二硫化鉬的粒度平均在800nm以內，納米銅粒子平均粒度約為30nm ，表面修飾納米二氧化鈦平均粒度約為40nm ，在萬能摩擦磨損試驗機上測試了三種粒子的摩擦學特性，結果表明：在合理的添加濃度范圍內，超細二硫化鉬在低載時具有優良的減摩抗磨性能，納米銅在高載時具有比較好的減摩抗磨性能，表面修飾二氧化鈦粒子因具有有機與無機復合物的特性，從低載到高載都保持穩定的減摩抗磨性能。This paper firstly analyses the various reasons and dangers caused by unbalanced rotors according to information and experiments, after these, different balancing methods for different types of unbalancing rotors were discussed. on the basis of the theory that discussed above, the paper analyses different types methods of measuring especially wattmeter measuring system and character of signals of hard bearing dynamic balancing system and designs a hard - bearing microcomputer - based measuring system for different types of hard bearing dynamic balancing machines. using advanced technology both in hardware and software of the modern, this system aims to reach the general goal of great mass, high precision, easy - to - operate and lows cast
本文在文獻資料和實驗的基礎上，分析了轉子不平衡產生的原因及危害，論述了各類不平衡轉子的平衡方法，在此基礎上根據生產實踐的需要，以mcb - 980通用硬支承平衡機為基礎，以剛性轉子為研究對象，分析各種測量方法尤其是瓦特表測量系統的優缺點及力測量動平衡機系統的信號特點，建立了一種新的剛性轉子雙面動平衡的數學模型，分析了求取動不平衡量大小和相位的原理，在此基礎上開發了一種以工控機為主機的硬支承動平衡機微機化測量系統。Mechanical vibration - evaluation of machine vibration by measurements on non - rotating parts - part 3 : industrial machines with nominal power above 15kw and nominal speeds between 120r min and 15000r min when measured in situ
在非旋轉部件上測量和評價機器的機械振動第3部分:額定功率大於15kw額定轉速在120r min至15000r min之間的在現場測量的工業機器Vertical velocity of the aircraft, vertical wind derived from flight parameters, head wind derived from on - board wind measurements and variation of on - board winds during the approach
航機的垂直速度由航機參數計算所得的垂直風速度機上測風儀量度的逆風速度及航機在降落時遇到的風場變化。The sensitivity analysis and discussion of pose measurement error caused by the measurement errors of coordinate measuring machine and by the coordinate errors of three standard spheres on the base platform has been done in detail. the pose measurement error formulas as function of the measurement errors of coordinate measuring machine and the coordinate errors of three standard spheres have been deduced and it has been discovered that larger relative diatances among the three standard shpheres will efficiently minimize the influence of the measurement error of coordinate measuring
推導出了三坐標測量機的測量誤差、固定平臺上三個標準球的位置誤差對位姿測量誤差的函數，發現只要適當地增大固定平臺上三個標準球之間的相對距離，就能夠有效地降低三坐標測量機的測量誤差和固定平臺上三個標準球的位置誤差對位姿測量的影響，從而提高了位姿測量的準確性。Secondly, based on the defects of the uptodate balancing machine which were employed in the motorcycle manufacture plants, this dissertation has presented a new method on the means of checking unbalance mass of the motorcycle engine crank set. it has adopted the hard - bearing balancing machine as the prototype ， utilized tow group of resistance sensors placed in vertical direction with one another to pick up the information which stand for the inertial force of the motor engine crank set when it is running
其次，通過對當前國內外曲柄連桿機構動平衡實驗的現狀及其存在問題的分析研究，提出了一種新的測試方法：在工作原理上採用硬支承型測力式動平衡機，在測量方法上應用互成900的兩點測量來失量合成任意一點旋轉慣性力大小及方向，這也是也是其不同於以往試驗機的最大之處。Secondly, based on the defects of the uptodate balancing machine which were employed in the motorcycle manufacture plants, this dissertation has presented a new method on the means of checking unbalance mass of the motorcycle single - cylinder engine crank - connecting rod mechanism. it has adopted the hard - bearing balancing machine as the prototype, utilized tow group of resistance sensors placed in vertical direction with one another to pick up the information which stand for the inertial force of the motor engine crank set when it is running
其次，通過對當前國內外曲柄連桿機構動平衡試驗的現狀及其存在問題的分析研究，提出了一種新的測試方法：在工作原理上採用硬支承型測力式動平衡機，在測量方法上應用互成90的兩點測量來矢量合成任意一點旋轉慣性力大小及方向，這也是其不同於以往試驗機的最大之處。At least 2 years maintenance experience in measuring instrument or machine tools, technical service experience is plus
2年以上測量儀器或機床維修經驗，有技術服務經驗者優先。Balance calibration system is a complicated automatic device, and involved with many subject such as machine, electric, measuring technique, control, and mechanics. the system most be capable to fit the demands of balance calibration, and most be accuracy and less error. not only the capability of the system be cared, but also the expenses of the manufacture most be considered
天平校準系統是復雜的自動化系統，涉及機電、測量與控制、力學等多個學科門類，不但在功能上要能夠滿足實際應用的需要，還需要達到較高的精度、較小的系統誤差，同時考慮系統綜合性能指標與系統造價的合理平衡。The present dissertation is based on an automation revamping project in which the latest fieldbus control system ( fcs ) and control network techniques of mitsubishi electric are adopted, in a paint - coating workshop of chang ' an automobile company, chongqing
作為近年來國際上迅速發展起來的、備受關注的控制網路新技術，現場總線是一種應用於生產現場、在微機化測量控制設備之間實現開放式、雙向串列多節點數字通信的底層控制網路。Mechanical vibration - evaluation of machine vibration by measurements on non - rotating parts part 2 : large land - based steam turbine generator sets in excess of 50mw
在非旋轉部件上測量和評價機器的機械振動第2部分: 50mw以上陸地安裝的大型汽輪發電機組For instance, more than 100g of hd space is occupied by the measured data of an airplane
例如，一架飛機的測量數據佔用硬盤空間100g以上。To further understand its mechanism of internalization. methods and results 1. a new peptide sequence was designed based on the analysis of the molecular composed of the membrane penetrating peptides using the peptool life software
最後在計算機photoshop軟體上，測量細胞熒光灰度值，並應用spss軟體進行統計分析，研究其穿膜能力與溫度、濃度、時間及細胞功能狀態之間的關系。分享友人