校直試驗 的英文怎麼說
中文拼音 [jiàozhíshìyàn]
校直試驗
英文
line-up test-
Standard test method for calibration of a pyranometer using a pyrheliometer
用直接日射強度表校正日射強度計的標準試驗方法Influence of dc - rail zero - voltage notch on the output of the inverter is investigated, and an important conclusion is obtained that the direction of output current of the inverter is not effected by the voltage deviation produced by dc - rail zero - voltage notch, on the basis of which, a new simple correction approach is put forward. experiment results show that the proposed correction method is effective
探索了直流母線零電壓凹槽對逆變器輸出特性的影響,得出了母線零電壓凹槽形成的輸出電壓偏差與逆變器輸出電流方向無關這一重要結論,在此基礎上,提出了一種簡便的校正新方法,通過試驗驗證了該校正方法的有效性。Each unit of transformer is tested in accordance with the following items : winding d. c resistance test. measurement of turn ratio and calibiation of voltage vector relation. measurement of impedance voltage and load loss
直流電阻測試匝數比測量及電壓矢量關系的校定阻抗電壓及負載損耗的測量空載損耗及空載電流的測量工頻耐壓測試感應耐壓測試絕緣電阻測試局部放電測試外觀和尺寸的檢驗銘牌的檢驗等。Windings d. c. resistance measurement, measurement of impedance voltage and on - load loss, measurement of no - load loss and on cload current, power frequency withstand voltage test, inductive voltage with standing test, measurement of partial discharge level, inspection of appearance and dimension inspection of name plate
直流電阻測試匝數比測量及電壓矢量關系的校定阻抗電壓及負載損耗的測量空載損耗及空載電流的測量工頻耐壓測試感應耐壓測試絕緣電阻測試局部放電測試外觀和尺寸的檢驗銘牌的檢驗等。His power over schools has made him directly accountable for them, streamlined organisation and allowed him to make new york a test - bed for reform
接掌學校后,他就可直接對學校負責,對機構進行精簡,並讓紐約成為改革的試驗田。Standard test methods for standardization and calibration of in - line dry lumber moisture meters
直列式干木濕度計的標準化和校準的標準試驗方法Fibre optic interconnecting devices and passive components - basic test and measurement procedures - part 2 - 24 : tests - screen testing of ceramic alignment split sleeve by stress application
光纖互聯裝置和無源部件.基本試驗和測量步驟.第2 - 24部分:試驗.對陶瓷校直夾板套筒加負荷的篩析試驗Petroleum chemical companies, and r d labs in various industries. our main business scope including : design and construction for new lab, alteration and upgrade of outmoded lab, update and development for lab in existence, production and installation for lab furniture system, design and construction for lab high - purity gas pipeline, design and construction for lab aeration system, laboratory exhaust gas waste residue treatment, laboratory wear material, chemic reagents, laboratory analytic apparatus, and lims laboratory information management system etc.
上海傲仕實業發展有限公司是一家專業從事實驗室系統工程的公司,多年來,我們一直致力於國內外科研單位大專院校醫藥石油化工電子等行業的實驗室建設公司涉及的主要業務范圍包括:新建實驗室的設計與施工陳舊實驗室的改造與升級現有實驗室的更新與拓展實驗室傢具系統的生產與安裝實驗室高純氣體管路的設計與施工實驗室通風系統的設計與施工實驗室廢氣廢液的處理實驗室耗材化學試劑實驗室儀器及實驗室信息管理系統lims等,公司擁有中高級工程師專家技術顧問設計師28名及專業的施工隊伍,從咨詢設計到施工為客戶提供一套完善的售前售後一站式服務體系,解決實驗室設計和施工當中因不同專業的而涉及到的各種問題Along with development of tiltrotor vehicle ’ s research some theoretical productions have been appeared in some project ( aerodynamic behavior of rotor, kinetic behavior of rotor, rotor / wing aerodynamic interactions, etc. ). in order to carry on further research and experimentation of these project, national - defence science and technology helicopter rotor kinetic lab of our school begin to building tiltrotor model bench. base on need of this bench, this paper study / design pitch control system on it
隨著對傾轉旋翼飛行器的深入研究,傾轉旋翼的氣動特性、動力學特性、旋翼/機身間的氣動干擾等課題方面已有一定的理論成果出現。為了對這些課題進行深入研究和試驗驗證,我校直升機旋翼動力學國防科技重點實驗室著手建造了傾轉旋翼模型實驗臺。The strain - gauge balance must be calibrated before it ’ s using in the wind tunnel tests, and the precision and accuracy of the balance will be affected by the characters of the calibration system
而應變天平在用於風洞試驗前,必須進行靜態校準,天平校準系統的性能指標將直接影響天平校準系數的準確性。By using finite element method, full - scale tests and the strain survey method, as for the crescent - shaped wear casing, this paper has discussed on mechanism of casing collapse and its influence on casing collapse. furthermore, computing method for both uniform wear and crescent - shaped wear situation was introduced, which can be used directly for casing string design
採用有限元分析、實物試驗及實驗應變測量方法,研究了套管產生不均勻磨損時的擠毀失效機理及其對套管擠毀性能的影響,確定了均勻磨損和不均勻磨損對套管擠毀性能的計算方法,研究結果可直接用於套管柱強度設計和校核中。In chapter 3 and 4, a scheme of remodeling original locomotive resistance - load test bed is present. according to the scheme, all parameters are calibrated, the dissertation research the application of single - unit igbt and pwm technique in irreversible speed regulating system of a dc motor, and analyzes signal generating of pwm and its feedback control circuit
第三章和第四章提出了新的干阻試驗臺的方案,根據方案對負載進行校核,溫度校核,並研究了直流電機的pwm控制技術的原理。分享友人