退化測試 的英文怎麼說

中文拼音 [tuìhuàshì]
退化測試 英文
degradation testing
  • 退 : 動詞1 (向後移動) retreat; draw back; move back 2 (使向後移動) cause to move back; remove; wit...
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : 名詞(古代占卜用的器具) astrolabe
  • 退化 : become vestigial; degenerate; deteriorate; retrograde; devolution; retrogradation; retrogression;...
  • 測試 : test; testing; checkout; measurement
  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指標(有效土層厚度、有機質層厚度、質地、團聚體、水分含量等) ,學肥力退指標(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. The company includes some sub companies and sub factories of car use meter parts, meter inspection equipment mfg., household timer mfg., and magnetizer demagnetizer mfg.

    公司下設車用儀表部件及組合儀表製造儀表設備製造家用定時器製造以及充磁器,退磁器製造等分廠或分公司,相對獨立,互為犄角,一經搓揉便可形成高度專業的綜合優勢。
  3. The soi is of crystal quality and the box is uniform in thickness, with the interfaces of si / sioa / si smooth and sharp. we have systematically studied the dependence of the formed soi structure on the process parameters, such as ion energy, implantation dosage, substrate temperature, as well as the annealing temperature. with xtem, sims, srp, rbs, ir, raman, aes, xps and other characterization tools, it was found that a dose window at fixed energy for water plasma ion implantation to form high quality soi structure similar to the conventional simox process exists

    本論文還系統地研究了不同注入劑量、注入能量、注入時基底溫度以及退火溫度對所形成soi結構性能的影響,藉助xtem 、 sims 、 srp 、 rbs 、 ie 、 raman 、 aes 、 xps等分析手段,我們發現,與傳統注氧隔離( simox )技術類似,存在著「劑量窗口」形成優質的soi材料,但在水等離子體離子注入方式中soi材料結構質量對劑量變更為敏感,隨著注入劑量的增大, soi材料的埋層厚度增大而表層硅厚度減小。
  4. It is recommended to develop or calibrate a method using remote sensing data by a study in pilot areas with varied land degradation features

    通過研究空中獲得的不同的土地退特徵的遙數據來改良和校準一種方法(相同的錯誤:點,不是『空中』 ) 。
  5. The difference among the elasticity modulus of various microstructures is probably the main reason, which caused the experiment results above. under the same experiment conditions, such as sample shape, size, surface roughness, establishment of testing system, pressure on the probe, and thickness of coupling medium, the variety of relative attenuation coefficient ( or ) in different heat treatment samples is measured and compared by measuring the attenuation obtained from the cylindrical surface of column. the result is as following : for 40cr and 38crmoal, a mt < az mq < a s < a p + f ; for gcrlssimn, a mt < a annea < s < a p + f ; and a increased with the increasing of frequency

    在保證樣形狀、尺寸、表面光潔度、系統參數設置、施加在探頭上的壓力以及耦合層厚度等條件一致的情況下,利用棒材圓柱面衰減系數法,分別定並比較上述不同熱處理樣相對衰減系數的變情況,得到的實驗結果是:對於40cr及38crmoal鋼, _ (低溫回火) (淬火) _ (高溫回火) _ (正火) ;對于gcr15simn鋼, _ (低溫回火) _ (退火) _ (高溫回火) _ (正火) ;且隨著頻率的提高,衰減系數均呈現增加的趨勢。
  6. In order to investigate the effect of high - field hot - carrier on devices and circuits, the electrical stress experiment is carried out with 1. 2 n m, 1. 0 n m and 0. 8 u m channel length home - made mosfet ' s by the monitor system with ate and cat technology. by using the fresh and degraded experiment data, bsim2 model parameters are extracted

    為了分析研究高場熱載流子效應對器件和電路特性可靠性的影響,採用自動與cad技術相結合的監系統,對國內溝道長度1 . 2 m 、 1 . 0 m和0 . 8 m的mosfet進行了電應力退實驗,並根據實驗結果提取了退前後器件的bsim2模型參數。
  7. Combining with the energy fluxes balance above fuel surface, the simulation and calculation of transient heat conduction of the pe fuel with liquid layer while melting and pyrolyzing are considered by use of the moving coordinates. the calculated regression rate of the pe fuel approximately tallies with the same kind of hybrid rocket motor test data from the abroad

    建立了pe燃料的熔、熱解、導熱模型,應用動坐標系,結合燃料表面熱環境,對具有液體層的pe燃料的熔、熱解和內部瞬態導熱過程進行了模擬計算,計算的pe燃料退移速率與國外同類驗的量結果符合較好。
  8. Abstract : it was verified through experiment and measurement that there was growth phenomenon taking place with nodular iron castings after graphitizing annealing at low temperature. the emergence mechanism and reason of the “ annealing growth nature ” was dicussed, and its prevention measures was proposed

    文摘:通過驗和,證實了球鐵件經低溫石墨退火后存在的生長現象,並對這種「退火生長性」產生的機理及原因進行探討,提出了防止措施。
  9. In this paper, the models of building and algorithms of estimating model ’ parameters are researched about the parameter model forecast method. the performance decline of the thermal coat materials are forecasted by the models and algorithms using the a few experiments data gained by the short simulated radiation experiment time

    本文主要是基於參數模型預方法,對模型的建立和模型參數估計演算法進行研究,目的是通過利用短時間的少量驗數據進行建模,來預航天器熱控塗層材料在未來長時間內的性能退規律。
  10. In czochralski silicon crystals ( czsi ) through fast neutron irradiation, formation and conversion of defects were investigated using fourier transform infrared spectroscopy ( ftir ), positron annihilation technology ( pat ) and scanning electron microscope ( sem ). the results showed that fast neutron irradiation induced large quantity of metastable defects which can be the capture centers of positron, positron annihilation average lifetime of samples increased with increasing of irradiation dosage. positron annihilation average lifetime of irradiation samples through dosage up to 1 1018 n. cm - 2 tended to constant

    本文對直拉硅樣品進行了不同劑量的快中子輻照,在硅中引入大量的亞穩態缺陷,研究這些亞穩態缺陷的形成,並在較寬的溫度范圍內對輻照樣品進行了退火處理,研究退火后亞穩態缺陷的轉及同硅中氧的相互作用,應用傅立葉變換紅外光譜技術( ftir ) 、正電子湮沒技術( pat )和掃描電鏡( sem )進行了
  11. The 0 - 15kev energy slow - positron beam was used to measure the dopple broadening in sio2 / sic. both the s and w parameters clearly showed that the density of defect in sio2 layer had decreased after annealing in n2

    利用0 - 15kev的慢正電子多譜勒能量展寬sio _ 2 sic的缺陷情況,發現不管是n型還是p型,氧層附近其s參數經過n _ 2退火明顯減小, w參數在這個部位增大。
  12. It is shown that substrate current is not the good indication of hot carrier effect in sde structures and using a threshold degradation criterion to characterize device degradation is not suitable for sde structures. third, the effect of the sde implant dose on the hot carrier immunity is thoroughly studied

    在此基礎上,指出採用峰值襯底電流評估sde結構器件可靠性的局限性,以及在採用i - v特性方法研究sde結構器件的熱載流子效應時,閾值電壓作為退判據所存在的問題。
  13. In order to accomplish the main targets, the following jobs were done : the annealing of ct20 alloy tube at 6 different temperatures was carried out and the specimens with different microstructure were tested at room temperature ( rt ) and 20k. the tensile fractures were analyzed by means of sem and tem. the c t20a alloy specimens with 3 kind of oxygen equivalent ( oeq ) were prepared, and the tensile properties at rt and 20k, the impact toughness at rt and 77k were tested

    為了研究顯微組織和間隙元素含量變對兩種合金低溫塑韌性的影響,研究中主要作了如下工作:對ct20合金管材進行了六種溫度的退火處理,了不同組織樣的室溫和20k拉伸性能,對拉伸樣取樣進行sem和tem分析;制備出了ct20a合金三種氧當量實驗樣品,了相應樣的室溫和20k拉伸性能以及室溫和77k沖擊性能,並取樣進行sem和tem分析;在以上工作的基礎上,對近鈦合金的低溫塑韌性機理進行了探討。
分享友人