experimental tests 中文意思是什麼

experimental tests 解釋
實驗檢驗
  • experimental : adj 實驗(上)的;試驗性的;經驗上的。 experimental parthenogenesis 人工單性生殖,人工孤雌生殖。 ...
  • tests : 抽查
  1. The government is accusing pfizer of conducting unauthorized tests of an experimental antibiotic on 200 children in the northern nigerian state of kano, during an outbreak of meningitis in 1996

    奈及利亞政府指控輝瑞制藥有限公司1996年在沒有得到批準的情況下,在爆發腦膜炎的奈及利亞北部卡諾省對200名兒童進行了未經批準的抗生素試驗。
  2. The author actively paticipates in the design, installation, and trial tests of this experimental system

    作者積極動手參與了整套實驗系統的設計、安裝及調試等具體工作。
  3. 2, in the experimental study, 12 joints tests are completed, including 5 uniplanar x joints loaded with axial forces, 3 uniplanar x joints loaded with in - plane bending, 4 multiplanar xx - joints loaded with axial forces, with the emphasis on the influence of and the existence of the out - of - plane braces, of which the multiplanar xx - joints tests is the first experiment project in china

    其中,對等寬方管節點( = 1 . 0 )推求了考慮薄膜效應影響的極限承載力公式。 ( 2 )試驗研究:本文共計進行了12個方管平面x型和空間xx型相貫節點試驗研究,進一步加深對方管相貫節點的感性認識,了解其實際破壞模式。
  4. Based on the result of the comparision static penetrat ion test and field vane shear test before and after the treatment of soft founda tions for a experimental section, and based on four static loading tests for two single piles and two composite foundation, behaviors of soil among piles before and after the construction of powder - spray piles and the pattern of the ch ange of the stress ratio between piles and soil are studied, a new determination met hod for bearing capacities of cement powder - spray piles and composite foundati on is proposed, and the formula for calculation of composite foundation bearing capacity are revised

    基於某試驗路段軟基處理前後靜力觸探、十字板試驗的對比測試和對兩根單樁、兩處單樁復合地基進行的4次靜載試驗,研究了樁間土性狀在施工水泥粉噴樁前後的變化和樁土應力比的變化規律,提出了根據靜載試驗確定粉噴樁及其復合地基承載力新的取值方法,並修正了復合地基承載力的計算公式。
  5. Abstract : based on the result of the comparision static penetrat ion test and field vane shear test before and after the treatment of soft founda tions for a experimental section, and based on four static loading tests for two single piles and two composite foundation, behaviors of soil among piles before and after the construction of powder - spray piles and the pattern of the ch ange of the stress ratio between piles and soil are studied, a new determination met hod for bearing capacities of cement powder - spray piles and composite foundati on is proposed, and the formula for calculation of composite foundation bearing capacity are revised

    文摘:基於某試驗路段軟基處理前後靜力觸探、十字板試驗的對比測試和對兩根單樁、兩處單樁復合地基進行的4次靜載試驗,研究了樁間土性狀在施工水泥粉噴樁前後的變化和樁土應力比的變化規律,提出了根據靜載試驗確定粉噴樁及其復合地基承載力新的取值方法,並修正了復合地基承載力的計算公式。
  6. The results of the experimental tests show that nh4cl and k2hpo4, kh2po4 are the most available nutrents to our isolates when they are degrading oils. the most suitable experinment condition is : temperature being 30 c, initial ph being 7 - 8, the shaking rate of the culture flasks is 180 r / min, the concentration of nacl is 1 %. the biodegradation results have shown that our 6 isolates have the effective degradation capability to crude oil ; within 6 days the transforing rate of oil by each single strain is more than 60 %

    本研究分離出的6株菌,初步鑒定結果為: sy1為微桿菌屬、 sy2為諾卡氏菌屬、 sy3和sy5為假單胞菌屬、 sy4和sy6為芽孢桿菌屬;實驗結果表明, 6菌株的最佳氮源為氯化銨( nh _ 4cl ) ,最佳磷源為磷酸氫二鉀和磷酸二氫鉀的混合物,最適生長條件為:溫度為30 ,初始ph值為7 8 ,搖床轉速為180r min ,鹽( nacl )濃度為1 ;通過降解實驗得出6株菌對原油都有較強的降解能力,單一菌株在5天後的原油降解率都高於60 , 6株菌對原油的生物降解反應符合一級反應動力學特徵。
  7. The experimental results is shown as followings : ( 1 ) the cyclic flow stress - strain curves in an incremental step test could be expressed as the power law relation : ( 2 ) when the strain amplitude is lower during cyclic deformation tests under constant strain control, softening firstly appears, then gradually hardens with the increasing numbers of cycle ; when the strain amplitude is higher, hardening firstly appears, then gradually softens

    試驗結果表明: ( 1 )循環流變應力與應變的相互關系曲線均符合冪律關系式: ( 2 )在室溫下進行恆應變幅循環變形過程中,當所控制的應變幅較小時,該材料首先出現循環軟化,之後隨循環周次的增加直至循環失效前該材料出現了硬化現象。當應變幅較大時,該材料開始出現硬化,然後隨循環周次的增加才出現軟化。
  8. Existing calculation methods for burning surface do n ' t well agree with the experimental data with complicated grain. in order to eliminate the error, tests data are used to correct the prefigurative result generally, and it is impossible to calculate burning surface of grain with crack. debond and wtith changing burning rate of propellant

    目前現有的固體裝藥燃面演算法,在計算復雜裝藥燃面時仍有較大誤差,為消除這種誤差往往需要用試車結果給予修正;同時在計算含缺陷裝藥燃面和處理裝藥因批次燃速變化時的燃氣加質更是束手無策。
  9. Finally, an energy approach is combined with the fem in the simulation of the crack propagation along the fiber / matrix interface in a pull out process. the simulated results are in nice conformity with experimental results. the second part of the research deals with the characterization of the failure process in the fragmentation tests, which is one of the most frequently used test methods in studying thermal mechanical properties of fiber / matrix interfaces

    在這一部分工作的最後,採用能量法與有限元法結合起來,模擬纖維抽拔試驗中裂紋的擴展:針對以往研究工作中的不足之處,在模擬中使用能量釋放率,在表徵界面破壞時,所使用的應力強度因子考慮了纖維和基體兩種材料的不同屬性,並考慮裂紋尖端的單元奇異性,來研究裂紋長度和溫度對裂紋擴展的影響。
  10. These include the single fiber pull out tests, single fiber fragmentation tests, etc. however, experimental work is time consuming and its outcomes are not always repeatable, while analytical solutions are not usually available for solving such complex problems as the characterizations of the interfacial mechanical properties of fiber reinforced composites

    目前在這一領域內常用的研究和分析方法有試驗、解析法以及數值解法。但試驗方法費時費力,結果的可重現性較差,而且對纖維增強復合材料的界面問題幾乎無法得到解析解。
  11. The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film

    試驗結果表明:所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求;聚四氟乙烯樹脂熱分解溫度超過400 ,但在ptfe中加入無機填料會使復合材料吸水率提高,熔融溫度及分解溫度降低,且伴有氧化分解反應;碳纖維表面含有c = o及c - o - c等極性基團,有利於提高其與其它組分的相容性,提高層間剪切強度;均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系,擬合曲線基本能表示各配方的摩擦系數發展趨勢;配方中不加銅粉或不加石墨,其摩擦系數均較高,說明銅粉和石墨應該配合使用;當銅粉15份、石墨60份時,銅粉30份、石墨30 - 40份時,銅粉60 、石墨15 - 30份時,摩擦系數均具有較低值;純聚四氟乙烯樹脂在空氣冷卻時結晶度最大,磨損量也是三者中最大的;同時,固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的:不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副,在金屬表面均可形成潤滑轉移膜,從而減少金屬摩擦副表面間的直接接觸,大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。
  12. The experimental tests were conducted to obtain the probabilistic statistic distribution of design variables of cfrp wound pressure vessels ( such as elastic constants, strength of lamina, winding technology parameters and the geometric sizes ). and a goodness of fit test using the kolmogorov - smirnov method was used to get the best probabilistic distribution of design random variables

    對cfrp纏繞壓力容器各重要設計變量(單向板彈性常數及其強度、壓力容器纏繞工藝參數及幾何尺寸)的隨機統計特徵進行了試驗研究,並根據kolmogorov - smirnov檢驗法,獲得各設計隨機變量的最優概率統計分佈。
  13. An active vibration control system for the piezoelectric flexible adaptive truss structure was set up for real - time computer active vibration control experimental tests

    建立了壓電柔性自適應桁架結構主動控制實驗系統,並對這類自適應結構進行了實時計算機振動主動控制實驗研究。
  14. Firstly, the stator and rotor resistances are identified on - line, and then the corresponding temperatures are calculated according to the principle that the metal resistance linearly depends on its temperature. results of numerical simulations and experimental tests show that the method is valid and effective

    根據金屬電阻與其溫度在大范圍內成嚴格線性關系這一原理,在辨識出異步電動機定、轉子電阻之後,即可計算異步電動機定、轉子溫度,進而實現定、轉子溫度在線監測。
  15. According to this, this thesis adopts three methods which includes experimental tests, numerical simulation and questionnaire inquiry and combines them together to study ufad

    基於此,本文採用實驗測試、數值模擬和問卷調查三者相結合的方法進行研究。
  16. By computer simulations and experimental tests, this control structure can reduce one and two tonal frequency noises

    通過模擬和測試表明,該控制結構能有效消除噪聲中所含的單周期噪聲和雙周期噪聲。
  17. The high pressure and high temperature experimental tests have been done to measure the breakthrough pressure of the cap rock. according to the special and routine results, the sealing capacity of the mudstone at reservoir conditions and the affecting factors were analyzed

    利用高溫、高壓模擬條件下突破壓力測定技術與方法,並結合常規及其它模擬技術對樣品進行了封蓋能力模擬,系統分析了泥質巖蓋層封蓋能力及其影響因素。
  18. In our experimental tests, we used frequency swept magnetic field as excitation signal, and then measured responses of the magnetic field sensor before and after being loaded in to the sealed pressure case

    在所構思的實驗裝置中,通過人為產生掃頻磁場,對密封和非密封條件下的磁場傳感器進行激勵。
  19. The experimental tests are made on the right - angle dissipator with square cross - section, a new internal energy dissipator. in order to obtain its hydraulic characteristic, lda is used to measure the detailed velocity. the pressure along the wall boundary is also measured

    2為深入研究直彎式消能工的水力特性,本文進行了方管的直角拐彎的試驗研究,採用二維激光流速儀測得了詳細的流場,並測量了壁面壓力分佈情況。
  20. This star has a non - zero temperature and there is heat conduction between the star and the surrounding radiation. possible experimental tests are discussed briefly

    該星體被放置在一個均勻、各向同性的宇宙微波背景輻射場中,星體與背景輻射場之間存在著熱傳導。
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