characteristic test 中文意思是什麼

characteristic test 解釋
【機械工程】特性試驗。

  • characteristic : adj 有特性的;表示…特性的,…特有的。 Japan s characteristic art 日本特有的藝術。n 特性,特徵,性...
  • test : n 1 檢驗,檢查;考查;測驗;考試;考驗。2 檢驗用品;試金石;【化學】試藥;(判斷的)標準。3 【化...
  1. 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。
  2. On the basis of having refered larg number of abroad test - well data and having investigated same local test - well, this dissertation have designed the drill and petroleum extraction tools test - well whole scheme to fit the well drill and petroleum extraction busywork characteristic and the demand of technique store for the dagang oil - field

    本文是在進行了大量的國外試驗井資料查閱及國內試驗井調研的基礎上,根據大港油田鉆采作業的特點和技術儲備的要求進行了鉆采工具試驗井總體方案的設計。
  3. This paper deriving the theory work inflection point in the static stage characteristics curve of small measurement range linear dimension measurement. by the way of high pressure and back pressure pneumatic measure and designed the parameter of the mainly and measure spray head, which are the key component in the spray head - baffle pneumatic sensor. the different groups for the main - spray head and the measure spray head, will effect the dynamic and static stage characteristic parameter. the author have done contrast experiment and optimization design to test and verify the theory derivation whereby made the rang of show valve of pneumatic measure system measure range up to 40 u m, the sensitivity up to 100mv / u m, resolution up to 0. 05 p m, the uncertainly of measure is less than 0. o2 u m, satisfaction of requirement of groups the carboy hatch thickness size precise measure of soft shims

    對高壓背壓式氣動測量用於小量程線性尺寸測量的靜態特性曲線的理論工作拐點進行了推導,對氣動測量系統中的噴嘴-擋板型氣動傳感器中的關鍵部件? ?主噴嘴和測量噴嘴的參數進行了理論設計,對主噴嘴和測量噴嘴的不同組合,將影響測量系統靜、動態特性指標的噴嘴參數進行了對比實驗和優化設計,並通過實驗驗證了理論推導,從而使氣動測量系統量程的示值范圍達到40 m ,靈敏度達到100mv m ,解析度達到0 . 05 m ,測量不確定度小於0 . 2 m ,滿足了壓縮機缸蓋軟體墊片厚度尺寸精密測量分組的要求。
  4. Anti - seismic characteristic test for high - voltage switchgear

    高壓開關設備抗地震性能試驗
  5. Diesel generator voltage characteristic test

    柴油發電機電壓特性試驗。
  6. Kinetic characteristic test and analysis of portable belt conveyer

    移動式排土機動態特性測試與分析
  7. Protective characteristic test

    保護特性試驗
  8. No - load characteristic test

    空載特性試驗
  9. Colour filter glass test methods spectral characteristic

    濾光玻璃測試方法光譜特性
  10. This dissertation applies virtual instruments technique in the field of servo valve cat for the first time and makes a servo valve static and dynamic state characteristic test bedstand based on virtual instruments. relevant theories and methods are also studied

    本文首次將虛擬儀器技術應用在電液伺服閥cat領域,研製出一套基於虛擬儀器的電液伺服閥靜、動態特性測試綜合實驗臺,並對電液伺服閥靜、動態特性測試的有關理論及方法進行了研究和探索。
  11. This paper put forward a method, which is used to identify the blow - off point of shock absorber valve system, based on the damping - displacement characteristic test of shock absorber, conversation of energy and equivalent damping coefficient

    摘要以減振器示功特性試驗為基礎,以能量守恆為依據,提出一種以等效阻尼系數為對象的識別減振器閥系開閥點的方法。
  12. Comprehensive analysis and evaluation of technical performances of the generators are made through basic characteristic test, leading phase operation test, temperature rising test, loss and efficiency test over the retrofitted generators

    通過增容后的發電機的基本特性試驗、進相運行試驗、溫升試驗以及效率試驗等對發電機的技術性能進行了綜合分析和評價。
  13. Study on the design about the flux of the by - way and the resistance characteristic test of adjustable hydro - pneumatic spring value with the triangle throttle - slice

    三角閥片式可調油氣彈簧旁通閥流量及阻力特性試驗
  14. The frequency characteristic test instrument based on the technologies of vi can print the plots of frequency characteristic of the measurand, also can give the approximate transfer function of the measurand

    基於虛擬儀器的頻率特性測試儀,具有列印頻率特性曲線和擬合被測對象傳遞函數等傳統頻率特性測試儀不具有的強大功能。
  15. In the leakage characteristic test, the problem of small leakage flow automatic test is solved with the method of usage of an ellipse gear flow meter and a self - made interface circuit. in the dynamic state characteristic test, frequency sweeping and statistic methods are used and their results are compared with 1250 frequency response analyzer

    在電液伺服閥動態測試實驗中,採用了掃頻法和統計法這兩種不同的方法進行測試,並對實驗結果與1250頻響分析儀所測的結果作了對比,發現二者基本一致。
  16. In this paper, based on the theory of radial - thrust floating ring hybrid bearing, the dynamic characteristic test for this kind of hybrid bearing is accomplished on the self - made test stand, the dynamic characteristics of the testing bearing are got, and the dynamic characteristic coefficients of the thrust part of the bearing are measured for the first time, the result of the test is compared with the theoretical calculation

    本文是在徑向?推力聯合浮環動靜壓軸承理論研究的基礎上,利用自製的實驗臺完成了對該軸承的動特性試驗研究,首次得到了測試軸承的動態特性,並將實驗結果和理論計算進行了對比。
  17. In the pressure characteristic test, a new method of testing pressure difference is brought out. with an entire bridge circuit and two pressure sensors, the structure is simple but the result is of high precision

    電液伺服閥壓力特性實驗中,提出利用兩只壓力傳感器通過全橋電路測量差壓的新方法,該方法硬體結構簡單,測試精度高。
  18. The control technology of phase selection has been used on beaker ' s instantaneous characteristic test device for jiang su chang shu switch plant. the precision is ?

    採用上述技術研製的選相分合閘裝置,應用於斷路器瞬動特性試驗設備中,選相精度為1 ,較好地消除了試驗中的暫態電流。
  19. A static / dynamic characteristic test was done to obtain all dynamic parameters of the lathe, then the software ansys for fea was used to simulate and display various vibration modes and natural frequencies with the guide joint parameters taken into account

    首先利用靜、動態特性實驗得出機床的各項動態參數,然後用ansys有限元分析軟體模擬和顯示機床在考慮導軌結合面參數條件下的各階模態下的振型和固有頻率。
  20. This will lay the foundation for the thermal performance test, air dynamic field test, dreg characteristic test and determinative test of the main design parameters

    從而為生物質成型燃料燃燒設備熱性能、空氣動力場、結渣特性、主要設計參數確定等試驗奠定了基礎。
分享友人