first-order test 中文意思是什麼

first-order test 解釋
一級檢驗
  • first : adj 1 最初的,最早的。2 最上等的,第一流的。3 基本的,概要的。4 高音(調)的。n 1 最初,第一;第...
  • order : n 1 次序,順序;整齊;(社會)秩序,治安;狀況,常態;健康狀態;條理;會場秩序;議事程序,日程;...
  • 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. In order to produce monoclonal antibodies, first, several v. dahliae isolates were grown in liquid czapeak medium, after rinsing mycelia and eliminating zoospores, the fungal tissue was homogenized with the pestle in liquid nitrogen and then transferred to test tubes and was centrifuged in tris - hcl buffer

    在制備抗原的過程中,首先液體振蕩培養了若干株棉花黃萎病菌,經過沖洗除孢子、液氮研磨,用tris - hcl抽提,再離心制得菌絲蛋白提取液,可作為電泳樣品。
  2. It shows that the method and the results can be used for designer, capital construction manager and researcher reference. 6 > the statistic parameters of load effect and resistance on fatigue reliability are studied in the paper. according to statistic analyzing of the real data from spot and the old test data, the fatigue reliability is calibrated on 8 details, which are provided in the code, by first order second moment ( fosm )

    6 、通過鋼結構吊車梁實測資料與以往疲勞試驗資料進行統計分析,提出了荷載與抗力的統計參數,用一次二階矩方法對鋼結構規范中規定的8類連接和構造型式的疲勞可靠性進行了校準分析,根據計算結果給出疲勞目標可大連理工大學博士學位論文一靠指標的建議值與分項系數的設計表達式。
  3. In order to test the process for its idle state, you must first bind a

    要測試進程是否進入空閑狀態,必須首先將
  4. In order to unify the market price, insure consumer benefits, it is important to find key specification and its test for digital binoculars. first, the principle and characteristics of digital binoculars is described in detail

    因此,找出評價數碼望遠鏡產品性能的關鍵指標,研製出相應的檢驗方法,對于控制數碼望遠鏡的成像質量、統一市場定價、確保消費者利益具有重要意義。
  5. Slurry erosion tests were carried out with the manufactured test apparatus in order to study the erosion properties of the polyurethane composites. the results show that the wear resistance of silicon dioxide reinforced polyurethane composites decreased with the increased amount of particles, and the wear resistance of the alunima reinforced polyurethane composites first increased but then decreased. the wear resistance of the alunima reinforced polyurethane composites processed with kh550 coupling agent were maximum at the volume content of 15 %

    試驗結果表明,聚氨酯復合材料的沖蝕磨損性能隨白碳黑體積分數的增大而降低,隨al _ 2o _ 3顆粒體積分數的增大先升高而後降低;經過偶聯劑kh550處理的al _ 2o _ 3顆粒增強復合材料耐磨性比經過kh560處理的復合材料高;經過偶聯劑kh550處理的al _ 2o _ 3顆粒增強復合材料在體積分數為15時具有最佳的沖蝕磨損性能。
  6. Abstract : the digital pid control equation in microcomputer - based control systems is introduced. the effects of the technologies of digital smooth filtering , first order recurrence filtering and dynamic compensation for improving the control features and enhancing the control accuracy are emphasized. the results of simulation test are illustrated

    文摘:介紹了微機控制系統中的數字pid控制算式,重點分析了數字平滑濾波、一階遞推濾波和動態補償技術在改善控制性能、提高控制精度中的作用,給出了模擬實驗的結果圖。
  7. In practical application, the m10 180 bolts, which are installed in the head cover of the torque divider of ts5560 special automobile, sometimes fracture all of a sudden. according to the tests of acceleration, stress and strain, and the exciting test, it is resonance vibration that leads to the compound - bending fatigue fracture of the bolts. the exciting force caused by drive system, transmitted through the torque divider, produces a 1000 - 1500hz cyclical excitation at the junction of the bolts and head cover, which causes the first order bending resonance vibration of the bolts

    通過加速度、應力應變測試實驗和激振試驗的研究,發現ts5560特種車分動器取力器氣缸端蓋m10 180螺栓斷裂問題是由於共振引起的雙向彎曲疲勞斷裂:傳動系統工作所產生的激勵,經過分動器結構的傳遞(特別是分動器一階扭轉模態的放大) ,在螺栓的連接處產生1000 1500hz的振動激勵,其導致螺栓一階彎曲共振,在螺栓一階彎曲模態的阻尼比較小的情況下,使得螺栓產生較大的共振響應,導致螺紋處的彎曲動應力較大,疲勞壽命較低。
  8. There are three difficulties and key problems in this papaer : : the first problem is what is the dominance bearing of the leakage fractures, and how the bedrock fracture water distribute, the second is how to test the complex chemical behavior in experiment way and quantify the relative parameters, the last question is how to number the transportation of the element 90sr and its pollution to solve the three problems, this paper does lots of work and come to the prospective order, the creativities in this thesis as follow : ( 1 ) the dominance bearing of the leakage fractures and the distribution feature of the fracture water are ascertained based on rich geological data, these basal researches are very important, which are the premises to build the transport model of the fracture water in hae field

    本項研究工作的難點和關鍵問題有三個: hae處置場基巖裂隙系統中,導水裂隙的優勢方位是什麼,基巖裂隙水活躍帶分佈情況如何;怎麼對核素遷移的復雜化學行為進行實驗室測試並取得有關定量化參數;怎樣數值化表現出溶質的遷移行為和污染情況本論文在解決以上三個問題上做了大量的工作,達到了預期的目的,其創新之處有以下三點: ( 1 )通過地質資料的分析,首次提出了hae預選處置場基巖裂隙導水的優勢方位和基巖裂隙水活躍帶的大致分佈特徵。它是一個很重要的基礎性研究成果,是建立hae處置場水運動模型的前提。
  9. First of all, some improvements have been carried out on the test equipment in order to void the singularities when the magnetic force is tested

    首先,為了克服電磁閥測試裝置在對電磁力進行測量時容易出現的不正常現象,對測力裝置進行了改進設計。
  10. This thesis discussed approaches of fault diagnosis based on the sensitivity analysis which is a new test method of analog circuits. main objects are described as follows : first, there exists a problem which the existence of solutions can not intuitively be predicted by choosing test frequency in the first - order sensitivity method on fault diagnosis

    在此理論基礎上,本文從以下兩個方面進行嘗試:首先,一階靈敏度故障診斷方法存在這樣一個問題,即測試頻率的選擇不能直觀地對故障診斷方程解的存在性進行預分析。
  11. To analyze financing structure of listed companies in china, first, based on the relative analysis of financing structure of listed companies in western developed countries, we review current situation in china, and describe and test the financing behavior and the financing structure of china ' s listed companies. second, i explains the factors of equity financing preference in the following three aspect : cost - financing cost, corporate interior - governance structure, and the external surroundings - financing markets. finally, in order to optimize the financing structure and enhance firm value, we put forward a lot of countermeasure

    為了揭示當前我國上市公司融資結構的形成原因,本文首先在對國內外上市公司融資結構進行對比分析的基礎上,著眼於我國現實,對當前我國上市公司總體融資行為和融資結構進行了描述與檢驗;其次,從成本? ?融資成本、公司內部? ?治理結構和外部環境? ?融資市場三個方面系統、深入地分析了造成我國上市公司融資結構扭曲的原因;最後,以企業價值最大化為目標,給出優化我國上市公司融資結構的對策措施。
  12. Based on some problems about random draft, energy conservation and ensemble efficiency of hydraulic - projects utilization, by the way of full - scale test, the application of frequency changer in agricultural water saving have been studied. it is the first time in china for the imagination that frequency changer has been used in tube - well irrigation in order to make the water pump keep constant transformation

    本項目針對目前農業節水灌溉工程中存在的隨機取水、節能問題和水利工程資源的綜合利用效率提高問題,以實地工程應用試驗為基礎,對變頻調速裝置在農業節水灌溉工程中的應用進行了研究。
  13. When the stress acted on concrete specimens exceed 60 % of ultimate compressive strength, the coefficient ( k ) will increase obviously but the largest change is still within the order of 10 - 9 cm / s. the time - dependant characteristic can be expressed by the function k = ( a + ct ) / ( l + bt ). the coefficient k decreased significantly in the first 40 ~ 60 hours of the water permeability test, and the decreasing rate became slow as the time goes on

    混凝土的滲透穩定性則表現為滲透系數會隨滲透時間增加而減小,減小的趨勢是起初的40 60小時內下降最快,其後愈來愈平緩,其規律可用公式k = ( a + ct ) ( 1 + bt )來表示。
  14. Make use of the district economics, ecosystem economics, and system dynamics principle, and provided the way for establishing the all - around theories of the big ecosystem structure in space of the small town environment. because the study of the small town land using is placed in the stage in entry - level, there are some standpoints in the article which is needed to test in practice. in order to resolve the land policy problems in small town, we should adopt some main reformational measures and countermeasures, including : the first, enhancing the land planning policy ; the second, consummating the land management policy ; the third, scooping out well the current potentials in the building land of small town ; the fourth, promoting the harm

    為了解決小城鎮的土地政策問題,認為應採取的主要改革措施和對策有:第一,強化土地利用規劃政策,優化土地利用結構,促進小城鎮用地結構的協調發展;第二,完善土地管理政策,促進小城鎮健康有序發展;第三,充分挖掘現有小城鎮建設用地潛力,協調新城區開發與舊城區改造的關系;第四,利用景觀生態原理,設計小城鎮景觀,促進小城鎮土地開發與環境的協調:第五,發揮地價杠桿的調節作用,促進土地的區位配置合理和集約利用;第六,進行農地流轉政策制度創新,逐步割斷轉移勞動力與農地的「臍帶」 ;第七,進行小城鎮土地投資政策體制創新,構建與完善多元化的投資機制推進小城鎮建設;第八,進行小城鎮建設用地政策的制度創新,有效保護和利
  15. Asks you not to be angry first, please first look this mail, you send in the test report order form number and the product model have the mistake, therefore, i cannot determine, you test the cargo is goods which our company sends, asks you to check, then gives me to reply

    請您先別生氣,請先看完這封郵件,你發過來的測試報告中的定單號與產品型號均有錯誤,所以,我不能確定,你所測試的貨物是我公司發過去的貨,請你重新清查一下,再給我回復好嗎?
  16. The auditor ' s sense of risk gets unprecedented enhancement, and the audit technology is constant innovating too, at the same time the application of the risk - oriented audit develops rapidly. under the risk - oriented audit, the auditor identity the risk that the enterprises exist at first, and then assess the risk on this basis, according to the result of assessment determine the time, range of substantive test, implement substantive test, in order to bring the auditing risk down to the acceptable level. this also improved the auditor ' s result and efficiency

    審計人員的風險意識得到空前的加強,審計技術也在不斷革新,從而使得風險導向審計的應用迅速發展起來,在風險導向審計下,審計人員從企業經營風險入手,找出風險源,首先識別出企業經營風險和控制風險;再在此基礎上進行審計風險的評估,根據評估結果決定實質性測試的時間、范圍和性質等,據此實施實質性測試以將審計風險降到審計人員的可接受水平。
  17. An fem model of rotor - bearing system was set up for a single - span - two - disc test rig to obtain such model parameters as the first and second order natural frequency and vibration mode vectors

    摘要以某單跨雙盤模型轉子實驗臺為例,建立了該轉子軸承系統有限元模型,得到轉子系統前兩階固有頻率和振型向量等模態參數。
  18. In order to study the effect of the number of vehicle and inter - vehicle distance on the aerodynamic characteristics of vehicle platoon in intelligent transportation systems ( its ), a single vehicle is simulated first and its results are compared with that of wind tunnel test

    摘要為了研究車輛前後間距和車輛數目對智能交通系統中隊列行駛車輛氣動特性的影響,首先對單輛車進行數值模擬,並將模擬結果與風洞試驗結果進行對比,然後對兩輛車在5種不同間距下以及3 ~ 7輛車在固定間距下隊列行駛的情況分別進行了數值模擬及分析。
  19. In order to improve the ability of reducing shake at high speed, we designed another reducing setting - pushing fin. by the pool test, it proved that the pushing fin was good in reducing shake in all ship speed. first, in this article experiment fin and oar " s rising force coefficients were worked out ; depended on experiment data

    首先,本文根據推力鰭減搖裝置的實驗數據,計算出實驗鰭、槳單獨作用時的升力系數,因為實際用鰭、槳的物理尺寸與實驗鰭、槳的物理尺寸是成比例的,所以根據鰭、槳的升力公式,帶入計算出的鰭、槳升力系數,可計算出實際用鰭、槳的升力,同時根據實驗數據,計算出整體推力鰭的升力。
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