轉體的動量 的英文怎麼說
中文拼音 [zhuǎntǐdedòngliáng]
轉體的動量
英文
twisting momentum-
This paper takes mobile engineering department equipment management of daqing petrochemical parent company as an example, and studies the design and application of equipment management system of daqing petrochemical parent company, for the implement of computerizing the equipment entire process management with the equipment management system and completing the synthesis management, the records management, the expense management, the fixed asset management, the specialized management and the information management with the computer system and making in the manual management some qualitative and stochastic ingredients transforming into the quantitative standard management. so it guarantees that we can perform advanced predicting management in the entire process of the matter movement and the value movement of equipment and complete the equipment servicing transition from the compulsory servicing and afterwards servicing to the preventive servicing, improving work quality, efficiency and modernized degree which the equipment manages and assisting enterprise ’ s equipment management decision - making and the whole realization of management goal and enhancing the enterprise ’ s interior equipment utilization and realizing its maximum profit
本文以大慶石化總廠機動工程部的設備管理為例,對大慶石化總廠設備管理系統的設計與應用進行研究,旨在通過設備管理系統實現設備全過程管理計算機化,由計算機系統來完成設備的綜合管理、檔案管理、費用管理、固定資產管理、專業管理及信息管理,使人工管理中一些定性的、隨機的成分轉變為定量的規范的管理,保證大慶石化總廠對設備的物質運動和價值運動的全過程實行先進的可預知性管理,並逐漸將設備維修從目前的以強制性維修及事後維修為主過渡到以預防性維修為主,提高設備管理的工作質量、效率和現代化程度,輔助企業的設備管理工作決策及經營管理目標的整體實現,提高大慶石化總廠內部設備的利用率及實現其最大的經濟效益。That the earth has an iron - rich liquid core, sufficient energy to drive convection and a coriolis force to twist the convecting fluid are primary reasons why the geodynamo has sustained itself for billions of years
地球擁有富含鐵的液態核心、有足夠的能量驅動對流,並具有科氏力可使對流的流體扭轉,這些是地球發電機之所以能自我維持數十億年的主要原因。In the system, the collimation semiconductor laser - scanned beam scanning two perpendiculars direct of one plane of the measured workpiece at the same time is made. the beams with the dimension information of two perpendiculars direct are processed by the scanning receive system, the high - speed photoelectric transition and electronic data process. two measured results of the diametric directs and ellipse tolerance, etc, parameter, of the turning workpiece on the same plane are obtained by non - contact automatic measurement
在單向激光掃描檢測技術的基礎之上,提出了一種雙向激光掃描檢測系統,其採用激光掃描檢測技術與特殊光學系統相結合,用準直半導體激光掃描光束對被測工件徑向某一截面的兩個相互垂直方向同時掃描,經掃描接收光學系統、高速光電變換、電子學系統和微機數據處理系統,對將攜帶有垂直方向被測量信息的光束進行處理,實現了回轉體工件同一截面兩個垂直方向的徑向尺寸和橢圓度等參數的非接觸自動測量,解決了同時非接觸測量回轉體零件同一截面兩個徑向尺寸的難題,它具有高速,高精度和非接觸自動測量等特點。In this dissertation, through computer simulation, the problems of modeling, control and guidance of auvs are presented. the first part of this dissertation addresses the problem of dynamically modeling of auvs, and derives thrusters " two - dimension nonlinear dynamic model, which has axial flow speed and propeller rotational velocity as two state variables, voltage or current of motor as inputs, and thruster force and torque as output. the second part focuses on the nonlinear adaptive sliding mode control of auvs in diving plane and steering plane
本論文系統研究了自主式水下航行器的建模、非線性自適應滑模控制、以及深度調整和水平面導引方法等問題,具體成果和創新點如下1 、根據流體力學理論,建立了螺旋槳推進器的動態模型,它以螺旋槳來流速度v _ p和螺旋槳轉速n為狀態變量,以電機施加轉矩為輸入,螺旋槳推力t和轉矩q為輸出。Government ' s monopoly of capital market also leaded to the " shell " value of listed company which is irrelative to the company ' s invest value, which made the higher general price in the market. in addition to, the structure of investors which is consisting of many individual investors and few institution investors lets it easy to manipulate the stock market for the institution investors. according to the origins of the systematic risk, it is necessary to improve the market mechanism and market efficiency to eliminate the system root of the risk to decrease the risks
突出地表現在:資本市場服務于國企轉制,造成上市公司股權結構存在缺陷,致使公司治理失效,上市公司缺乏持續發展的能力,公司經營風險轉化為市場的系統性風險;政府對資本市場準入的行政性壟斷,形成上市公司「殼」價值,虛高股票市場價格,引發系統性風險;金融市場分割,特別是貨幣市場資金缺乏進入資本市場的正常渠道,利率市場化水平低,影響金融資產定價,導致違規融資盛行,加大了市場風險;而由於市場監管不到位,以散戶為主的投資主體結構,則易導致機構大戶利用內幕信息操縱股價,機構投資者的發展不僅沒有成為穩定市場的力量,反而成為操縱市場的主力,加劇了市場波動。Our approach differs from a recent theoretical paper that dealt with the possible conservation of the combined spin and orbital angular momentum in relation to the susceptibility of the down - conversion crystal
我們的方法與新近一些理論文章提出的方法是不一樣的,他們處理自旋角動量和軌道角動量可能的守恆當中涉及到了下轉換晶體的磁化系數。The results show a few grooves appear on the worn surface of the composites which contain 10 phr nano - al2o3 there are a great many grooves on the worn surface of the composites containing 20 phr. in addition the deeper cracks also appear. this shows that excess nano - al2o3 particles ca n ' t improve wear properties of pa6 ' s. the proper content of nano - al2o3 in the matrix can enable the molecular chains of pa6 to produce closed joints which resemble the physical crosslinking
尼龍6 / a12o :復合材料的加工性能研究表明:隨著納米a12o3的加入,復合材料的熔體流動速率下降,納米a12o3含量越大,下降越明顯,即隊6 / a12o3納米復合材料的加工性能越差;隨著納米a12o3的加入,復合材料的轉矩和塑化時間都增加,當含量小於巧phr時,隊6復合材料的轉矩增加幅度不大,當含量超過15phr后,轉矩急劇升高。The huge energy - momentum of particles can be transformed into thermal energy by accelerator experiment at high energy to study perturbative vacuum of quantum chromodynamics and determine the signal of quark - gluon plasma
在實驗上,人們通過相對論性重離子碰撞實驗把巨大的動能轉化為熱能,來研究量子色動力學的微擾真空及其所預言的夸克?膠子等離子體。The rotational inertia of an arbitrarily triangle uniform plane is calculated by a simple method. it is pointed out that principal axes can be deduced from the calculation
摘要用一種簡單的方法計算了均質的任意三角形平板剛體的轉動慣量,並由此結果給出一般三角形的慣量主軸。Heat is that form of energy which passes from one body to another solely as a result of a difference in temperature.
熱是一種由於溫差而自動從一個物體轉至另一個物體的能量形成。With the engineering thermophysics subject as a main theory basis, the boiler, the steam turbine, the internal combustion engine and the other new, being developed power machinery and system as the research object, the application of engineering thermodynamics , heat transfer, computer system control theory, environmental science, microelectronics technology, energy - saving technology and other knowledge , study the process and the basic law of fuels chemical energy and liquid kinetic energy to converse to the power securely and efficiently and low ( or no ) impurely ; study the energy conversion process systems and technology of equipment automatic control ; study the producing mechanism and emission control technology of combustion pollutants ; study energy - saving technologies and the development of new energy technologies
熱能工程是以工程熱物理學科為主要理論基礎,以鍋爐、汽輪機、內燃機和正在發展中的其它新型動力機械及系統為研究對象,運用工程熱力學、傳熱學、計算機自動控制理論、環境科學、微電子技術、節能技術等學科的知識,研究燃料的化學能和液體的動能安全、高效、低(或無)污染地轉換成動力的基本規律和過程;研究能量轉換過程中的系統和設備的自動控制技術;研究燃燒污染物生成機理與排放控制技術;研究節能技術與新能源的開發技術。Several research works are done in this paper according to the topics mentioned above : 1. looking up a lot of documents and materials about the microinjection technique, devices and the controlling technology of micro - fluid from outside and inside the country. based on the theoretical researches about the dna micro - fluid ' s dynamical characteristics, the controlling model of the microinjection volume is set up, and the experimental research on it is also done
圍繞上述內容,本文進行了以下幾方面的研究工作: ( 1 )查閱並分析了國內外大量的轉基因微注射技術及操作設備和微流體控制方面的文獻,在對dna微流體的動力學特性理論研究的基礎上,進行了微注射量的理論建模及實驗研究。In order to solve it radically, making power assembly of bj1036e2f1 light truck the research object and through dynamic simulation analysis of power assembly, this thesis obtains the distribution rules of forces of the bolts linking three shells mentioned above and the relation between forces of the bolts and rotate speed of engine. after finite element mode analysis of these three shells, inherent frequency and vibration model of shell of power assembly are gained, and thus its dynamic character is realized. based on computer simulation analysis, experimental model of power assembly is acquired by vibration test and strength test of shell of power assembly, and the relation of forces of the shell and rotate speed of engine and imbalanced mass of rotate components is studied
為了從根本上解決該問題,本論文以bj1036e2f1輕卡動力總成為研究對象,通過動力總成的動力學模擬分析,找出了三殼之間聯接螺栓受力的分佈規律和螺栓受力與發動機轉速的關系;通過三殼的有限元模態分析,得到了動力總成殼體的固有頻率與振型,從而了解了動力總成殼體的動態特性;在計算機模擬分析的基礎上,通過動力總成殼體的振動測試和強度測試,得出了動力總成的試驗模態,並研究了殼體受力與發動機轉速和旋轉部件不平衡質量的關系。Mode 4 ( deploy wheel ) and mode 6 ( deploy paddles ) are one - offs, mode 4 having the purpose of spinning up the wheel to shift the stabilizing momentum spin from the body of the craft to the wheel, and mode 6 having the purpose of deploying the solar paddles
模式4 (部署轉輪)以及模式6 (部署輪翼)只會被執行一次,模式4的目的是展開轉輪使得從航空器主體到轉輪的動量轉軸能夠趨于穩定,而模式6的目的是展開太陽能輪翼。The mass characteristic parameters of hslrfo include mass, mass center, centroid, lateral misalignment of mass center, rotary inertia, dynamic balance, etc. since the lateral misalignment of mass center is the most important mass characteristic parameter, the demand for the measuring precision of this parameter is very stringent
高速遠程飛行物體的質量特性參數有質量、質心、形心、質心橫偏量、轉動慣量、動平衡等內容,其中最重要的是質心橫偏量,因此,在測量中,對質心橫偏量的測量精度有著更高的要求。After following - up investigation and comparison, we found the trend that the credit risk comparison between the domestic evaluation methods and the foreign ones that the m ethods of foreign credit risk analysis have changed from financial ratio grading to multi - va riable and dynamic analysis based on capital market theory and computer information scie nee, but nowadays almost all banks in china evaluate credit risks by the methods of risk de gree computation which lack quantitive analysis
通過對國內外評估方法的跟蹤、比較,發現國外信用風險分析方法已經從主觀判斷分析方法和傳統的財務比率評分法轉向以多變量、依賴于資本市場理論和計算機信息科學的動態計量分析方法為主的趨勢發展。而目前我國銀行機構主要使用計算信貸風險度的方法進行信用風險評估,缺乏定量分析,衍生工具、表外資產的信用風險已及信用集中風險的評估尚屬空白,更沒有集多種技術於一體的動態量化的信用風險管理技術。The payments for capital and labor are totally set by market power and capital ( labor ) suppliers of any firm have no power to alter the transaction terms with its labor ( capital ) suppliers to their advantage and thus every firm generate zero economic profit. every firm ' s value is equal to the sum of the market prices of the human assets and physical assets that it use and thus the formation and disbandment of a firm have no influence on the interest of any of its members. through an efficient comparison of production within the firm and the scattered individual production coordinated through markets, the dissertation reveals that the origin of the power relationship phenomenon within the firm is that the suppliers of the resources to the firm in real world are unable to enter into legally binding complete contracts as walras assumed
在一般均衡範式中,企業是一個追求利潤最大化的原子;企業的生產過程被描述為一個「黑箱」 ,它自動地、無摩擦地把任何一組投入轉化為既定的技術約束下所能生產的最高產出;資本和勞動僅僅是生產過程中不同類別的投入,它們之間的關系是對稱的,它們各自的報酬都是完全由市場整體的力量決定的,任何一個企業的資本(勞動)提供者都不可能為了增進其自身的利益而改變與勞動(資本)提供者的交易條件,從而任何一個企業產生的經濟利潤都為零;任何一個企業的價值都等於該企業使用的人力資產和非人力資產的市場價格之和,組成一個企業不會增進任何參與人的收益,解散一個企業也不會降低任何參與人的收益。The inverters based on space - vector pwm technique have many good qualities, such as less pulsating torque, higher usage of dc bus voltage, less switching loss, better high - speed regulation performance, so it is applicable for the high - performance motor control system
電壓空間矢量pwm技術( svpwm )將逆變器和電動機視為一體,由之控制的變頻器具有輸出轉矩脈動量低、直流電壓利用率高、開關損耗小、高速調速性能好等優點,適用於高性能電機調速控制系統。Viscometry ; measurement of the dynamic viscosity of newtonian fluids with rotational viscometers ; sources of errors and corrections concerning cylinder ; rotation viscometers
粘度測定法.第2部分:用旋轉粘度計測量牛頓流體的動態Viscometry ; measurement of the dynamic viscosity of newtonian fluids with rotational viscometers ; principles
粘度測定法.第1部分:用旋轉粘度計測量牛頓流體的動態分享友人