試驗的限制 的英文怎麼說
中文拼音 [shìyàndexiànzhì]
試驗的限制
英文
test limitations- 試 : 名詞(古代占卜用的器具) astrolabe
- 驗 : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
- 的 : 4次方是 The fourth power of 2 is direction
- 限 : Ⅰ名詞(指定的范圍; 限度) limit; bounds Ⅱ動詞(指定范圍, 不許超過) set a limit; limit; restrict
- 制 : Ⅰ動詞1 (製造) make; manufacture 2 (擬訂; 規定) draw up; establish 3 (用強力約束; 限定; 管束...
- 試驗 : trial; experiment; test
- 限制 : place [impose] restrictions on [to]; astrict; restrict; limit; confine; shut down on [upon]: 限制...
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Because it is impossible to adjust the air bearing absolutely balance, the difference between mass center and rotation center must lead to a notable gravity disturbance torque. in the process of identification, modeling and identification of gravity disturbance torque is considered, and an extended kalman filter is educed for identifying air bearing inertia matrix and gravity disturbance torque, and then the algorithm is validated
由於氣浮臺平衡調試方法和手段的限制,實驗過程中氣浮臺質心與轉動中心有一定的位置偏差,必將導致較大的重力干擾力矩,在辨識演算法的推導過程中,重點考慮了重力干擾力矩的建模和參數辨識問題,推導了氣浮臺的轉動慣量和重力干擾力矩辨識的擴展卡爾曼濾波演算法,並對演算法進行了數學模擬和全物理模擬驗證。It was suggested that eric - pcr could substitute for rapd in research related to the genetic identification and genetic diversity in auricularia and other edible and medicinal fungi : 2 to a certain extent, genetic differences among auricularia strains tested in this study did not have necessary relativity with their geographical origins respectively ; 3 in this study, genetic diversity in a. polytricha was higher than that in a. auricula : 4 in this study, a. fuscosuccinea had a higher homology to a. auricula than to a. polytricha ; 5 morphological characteristics validated the results from eric - pcr and provided a potential explanation for the higher similarity coefficient between a. auricular and a. fuscosuccinea ; 6 southern hybridization was employed by choosing a strain from a. auricula as a probe which hybridized with a. auricula and a. fuscosuccinea except a. polytricha, further confirming the veracity of the results from eric - pcr ; 7 in this study, isozyme analysis could not cluster the 7 strains from three auricularia species to different groups efficiently ; 8 2 strains from two auricularia species revealed high conservative degree and the restriction fragment patterns by 4 kinds of restricted enzymes showed no diversity
本研究中,木耳屬2個種的2個菌株在its區域表現出較高的保守性, 4種限制型內切酶的酶切圖譜沒有顯示出多態性;增加內切酶種類及供試菌株數量,有可能獲得具有多態性的限制性內切酶酶切圖譜; 9本實驗中, its區域的真菌特異性引物與真核生物通用引物對于擴增效果無較大差異,擴增片段長度均為650bp左右; 10根據形態學實驗、 eric - pcr實驗以及southern雜交實驗的結果分析,紫木木耳屬種質資源的遺傳鑒定和遺傳多樣性評價耳極有可能是毛木耳種的一個變種; n .本研究中所用的gutc法是一種適用於木耳屬菌株基因組洲a快速提取的方法; 12 .傳統的形態學分類法和現代的分子生物學分類法,兩者的關系是相輔相成,互為驗證Abstract : based on the analysis of the main failures discovered in pavement on steel deck plate and the demanding service condition of the pavement on steel deck, high - temperature rutting test, low - temperature bending test and controlled stress flexural fatigue test are used to study the performance of asphalt mixtures modified by epoxy resin including high - temperature stability, low - temperature cracking - resistance, and fatigue cracking - resistance, which are served to evaluate the modification effect of epoxy resin of different contents. with the addition of epoxy resin, all the three performances are improved greatly. however, when the amount of epoxy resin added is over a certain value, the modification effect will be stable with no extra benefit detected. finally, in terms of the properties of the three respects, 20 ?, 30 ?, 30 ? are given separately as the proposal adding contents
文摘:在分析鋼橋面鋪裝層主要病害和特殊工作環境的前提下,分別採用高溫車轍試驗、低溫小梁彎曲試驗和控制應力小梁彎拉疲勞試驗,研究了不同環氧樹脂摻量下的環氧樹脂改性瀝青混合料的高溫穩定性、低溫抗裂性和抗疲勞性能.試驗結果表明:環氧樹脂對這3個方面都有很大的改進效果,但改性效果和樹脂的添加量並不是一個無限遞增的關系,當添加量超過一定數值以後,改性的效果將趨于平穩.最後就高溫、低溫、疲勞3個方面分別提出環氧樹脂添加量為20 ? , 30 ? , 30 ?的建議值Based on the analysis of the main failures discovered in pavement on steel deck plate and the demanding service condition of the pavement on steel deck, high - temperature rutting test, low - temperature bending test and controlled stress flexural fatigue test are used to study the performance of asphalt mixtures modified by epoxy resin including high - temperature stability, low - temperature cracking - resistance, and fatigue cracking - resistance, which are served to evaluate the modification effect of epoxy resin of different contents. with the addition of epoxy resin, all the three performances are improved greatly. however, when the amount of epoxy resin added is over a certain value, the modification effect will be stable with no extra benefit detected. finally, in terms of the properties of the three respects, 20 ?, 30 ?, 30 ? are given separately as the proposal adding contents
在分析鋼橋面鋪裝層主要病害和特殊工作環境的前提下,分別採用高溫車轍試驗、低溫小梁彎曲試驗和控制應力小梁彎拉疲勞試驗,研究了不同環氧樹脂摻量下的環氧樹脂改性瀝青混合料的高溫穩定性、低溫抗裂性和抗疲勞性能.試驗結果表明:環氧樹脂對這3個方面都有很大的改進效果,但改性效果和樹脂的添加量並不是一個無限遞增的關系,當添加量超過一定數值以後,改性的效果將趨于平穩.最後就高溫、低溫、疲勞3個方面分別提出環氧樹脂添加量為20 ? , 30 ? , 30 ?的建議值In replicated factorial experiments, censored data may be easier or less costly to collect than completed data because of some reasons, such as time and cost
在因子個數較多的有重復試驗中,由於試驗條件(時間,經費等)的限制,我們常常只能得到帶有截尾的數據。Being deficient in sonic fatigue testing and owing to the limitations of nomograph method application to the sonic fatigue life prediction, an analysis software program was designed and worked out in present thesis, based on the research achievement in prediction of sonic fatigue life, which strong function, easy use and great extensive capabilities
本文針對現階段聲疲勞試驗的不足,以及工程中常用的諾謨圖方法的局限,整理了目前比較成熟的典型蒙皮壁板聲疲勞壽命研究成果,提出設計並編制了一套功能強、易於使用,可擴展性好的聲疲勞壽命預測及分析平臺。Nowadays, the ways to detect the piles are various, and all of them are limited in some aspects. for instance, coring test do large scathe on the piles, and static load test will waste much time, money and energy, while some ways are hard to operate as the limitation of the length and the diameter of the piles, and the special condition on the spots, such as high - strain, low - strain, and so on. furthermore, the result can only be gained under the complex analysis of the collected wave, and under the validation of the coring test
目前,工程中常用的樁基檢測方法很多,但都存在著一些弊端:有的對樁破壞性嚴重,例如抽芯檢測;有的耗時、耗財、耗力,例如靜載荷試驗;還有的如低應變、高應變等檢測技術由於受到樁長、樁徑以及現場一些特殊情況的限制,操作很不方便,而且採集到的波形要經過比較復雜的處理分析方能得出結論,而這個結論卻還要輔助取芯手段加以驗證。On account of model experiments limited by the fields and equipments. it is difficult to veflect the structrral facts. so the advantage of computer emulator technoly in civil engineering application is embodied increasingly. a new method and conception breading through tradition design is coined up
在實際應用中,由於模型試驗受到場地和設備的限制,難以完全反映結構的實際情況,因此用計算機模擬技術在土木工程中的應用的優越性日益體現。Standard test method analytical procedure for determining the efficiency of a production well in a confined aquifer from a constant rate pumping test
通過一連續比率的泵試驗對限制性含水層內生產井效率測定的標準試驗方法Criminal summary procedure is a judicial procedure in contrast with the general procedure. it is a kind if simplified contentious procedure based on general procedure. there are three forms of this procedure according to different extents of simplification. the first one is simplified form for links in general procedure. the second one is omitted form for procedure of court trials. in this procedure, the course of court trial is totally omitted. the third one is plea - agreement form which refers to an agreement about the committing and sentencing between prosecutor and defense attorney or defendant. the summary procedure is regulated widely in the criminal procedure laws of such countries as britain, american, france, germany, italy, japan. the tendency of towards of the development of the summary procedure can be analyzed in three aspects
本文從刑事簡易程序的概念入手,對我國簡易程序的立法現狀加以了分析與反思,從而試圖借鑒國外簡易程序的立法經驗,以我國現有簡易程序的法律規定為基礎,構建我國「多元化」的簡易程序體系。同時,由於簡易程序中對被告人的權利作出了很大的限制,因而,本文認為從程序正義、實體正義與訴訟效率三個角度對于簡易程序的正當性基礎加以解讀是十分必要的。同時,任何一個國家的法律制度都是一個有機聯系、密切配合的整體,刑事簡易程序的良好、有效運行也離不開配套制度的支持。He finds the pitch range after calculated the three important parameters through the bladed for windows software, then presents an optimized control strategy that regulate the pitch angle in terms of the wind speed. it must control the output power because the variational output power brings the variational loads. he confirms and optimizes the control strategy that the output power is the control target, the output power is divided into three parts
將功率作為系統控制的目標,將功率分成三段進行控制,在低風速區,載荷是有限的,以功率最大化作為控制目標;在額定風速附近,由於處在升力曲線斜率的變化點,功率變化較大,應盡快調整槳距角進入失速區工作,減少載荷的波動,該額定風速區的上下工作點要通過現場試驗的手段來確定;在額定風速以上,使功率維持在額定輸出,減少功率波動,並通過bladed軟體的模擬計算對控制策略進行了驗證。Abstract : during the heating of scrap with carbon or hydrocarbon contented substances in some process, it will bring problems like explosion of carbon monoxide, fume and smell from oil volatilization, etc. , if incomplete combustion occurs. through laboratory experiments, the time related variation of gas contents and post combustion ratio of fume during the heating of oil - bearing scrap are studied. the results show that the restrictive chain of reaction procedure is the thermolysis of oil ; that temperature and ( co ) / ( co2 ) ratio influence transformation ratio and post - combustion ratio under lower temperature ; that 900 is the temperature above which the complete reaction can be ensured at all ( co ) / ( co2 ) ratios
文摘:在某些廢鋼熔煉過程中,當爐料中含碳及碳氫物質且燃燒不充分時,會帶來煙氣中一氧化碳的燃爆、油污揮發時造成的煙霧、臭味等問題.通過實驗室裝置研究含油廢鋼在加熱過程中煙氣成分隨時間的改變以及二次燃燒率的變化,試驗結果表明,反應過程的限制性環節是油分的熱分解;在較低的溫度下( co ) / ( co2 )比例影響轉化率和二次燃燒率;而在任意比例下保證充分反應的溫度為900以上Because of the limitation of experimental conditions we failed to form foam lead grid in the experiment. copper draw net is used as anode grid and it can improve to some extent the utilization of pam. due to human errors in the experiment we have not used the same discharge current density
在實驗中我們試圖通過鑄造法、電鍍法和還原法等一系列的實驗辦法製作泡沫鉛板柵,由於實驗條件的限制,沒能夠成功制得泡沫鉛,而在使用銅拉網作為正極板柵的時候,能夠使電池的正極活性物質利用率有提高,但由於實驗時候的失誤,沒能夠使用相同的放電電流密度進行放電,我們無法利用實驗數據比較出具體能提高的數字。Standard test method for restrained expansion of expansive cement mortar
膨脹性水泥灰漿的限制膨脹標準試驗方法But the investment for experiment is too large, and the experiment cycle is too long. this will restrict the research on the theory of wind effect on bridge
然而橋梁風洞試驗的設備投資大,試驗費用高,周期長,這在很大程度上限制了大跨橋梁風振機理的研究。Furthermore, the growth and the study of self - organized quantum dots structures become more and more important recently, and the application of self - organization technique become wider and wider in this thesis, we address the theory of film growth and the growth technique firstly more, the ways and characteristics of surface detection are prescribed we mainly report the growth process, results and discuss of self - organized quantum dots structures in the a12o3 substrates by s - k mode using ecr - mocvd, in the espd - u device the growth art of ain epilayer which is the preliminary foundation of self - organized gan / ain quantum dots structures, including the substrate cleaning, nitridation, the growth of buffer and the growth of gan and ain epilayer, is discussed we deliberately compare the test result of rheed xrd and afm and achieved the optimalized condition of ain at last we have successfully realized the growth of ain which is much smooth and better crystal quality moreover, we grow the self - organized gan / ain quantum dots structure in s - k mode because the limits of the heater temperature, we can not grow the atom - smooth epilayer of ain until now so we could not grow better quantum dots which have small diameter and big density but the self - organized quantum dots structures with better quality will be realized successfully if the substrate temperature is increased the thesis study belong to my tutor subject of national nature science foundation ( 69976008 )
本論文主要論述了在espd - u裝置上,採用電子迴旋共振等離子體增強mocvd ( ecr - pamocvd )方法,在藍寶石襯底上通過s - k模式自組裝生長gan aln量子點結構的生長工藝、結果及討論。而重點分析了自組裝生長量子點之前的aln外延層生長工藝,包括襯底清洗、氮化、緩沖層的生長和gan 、 aln外延層的生長;通過高能電子衍射、 x射線衍射和原子力顯微鏡測試,並且對這些測試結果進行了詳細的比較研究,得出了較優化的工藝條件,生長出了晶質較好、表面較平整的aln外延層;進而採用s - k模式自組裝生長了gan aln量子點結構。由於實驗裝置加熱爐溫度的限制,我們沒有能夠生長出原子級平滑的aln外延層表面,因而沒能夠生長出密度比較大和直徑比較小的量子點。Theoretical models were used to predict the effects of microcrack - density to effective tensile modulus of cf / ep laminates for long - term duration exposure for it difficult to get from tests. a uniaxial zero - expansion model was established based on the analysis of thermal stress and the coefficient of thermal expansion of the laminates
由於受到試驗周期的限制,對于長期暴露于空間環境中的層合板材料,其有效拉伸模量很難用試驗方法直接測量,本文採用理論模型進行分析。The grouting is the most useful method of the ground treatment, specially to deal with the rock foundation of the dam. because of the concealment, complexity and importance of the grouting project. the grouting test must be done to determine the grouting parameter, such as the grouting technology, the grouting material, etc
灌漿是基礎處理的常用方法,尤其是建立在巖石基礎上的大壩的基礎處理,由於灌漿工程的隱蔽性、復雜性和重要性,通常需要進行灌漿試驗來確定灌漿工藝、漿材等灌漿參數,而灌漿試驗由於其復雜性、試驗數量的限制等因素難以為灌漿施工提供全面有效、真實的灌漿信息。But the translation - and - torsion coupling vibration of structure is a three - dimensional problem, and the experimentation is limited to the size and quantity, so the computer simulation becomes the main means to study the torsion effect
由於結構地震反應的平-扭耦聯振動是三維空間動力反應問題,結構試驗研究受到試驗規模和數量的限制,因而主要是依靠結構動力分析手段對其進行計算機模擬分析研究。But the translation - and - torsion coupling vibration of structure is a three - dimensional problem, and the experimentation is limited to the size and quantity, so the computer simulation becomes the main method to study the torsion effect
由於結構地震反應的平-扭耦聯振動是三維空間動力反應問題,結構試驗研究受到試驗規模和數量的限制,因而主要是依靠結構動力分析手段對其進行計算機模擬分析研究。分享友人