最低通過高度 的英文怎麼說

中文拼音 [zuìtōngguògāo]
最低通過高度 英文
mca
  • : 副詞(表示某種屬性超過所有同類的人或事物) most; best; worst; first; very; least; above all; -est
  • : 通量詞(用於動作)
  • : 過Ⅰ動詞[口語] (超越) go beyond the limit; undue; excessiveⅡ名詞(姓氏) a surname
  • : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 通過 : 1 (從一端到另一端) pass through; get past; traverse 2 (同意議案) adopt; pass; carry 3 (以人...
  • 高度 : altitudeheightelevation
  1. Finally, with caparisons of that three parapets properties cantilevered parapets has been adopt to the steel structure of light - weight buildings with gabled frames, numerical simulations have been carried out with that buildings, results of simulations show that device can also significantly reduce the area - averaged coefficient of wind pressure and high negative suction peaks on zones susceptible to wind pressure. formula has been proposed about the height of that parapet

    三種女兒墻的性能比較確定對門式剛架設置懸挑女兒墻進行數值模擬,結果同樣表明懸挑女兒墻能明顯地降門式剛架屋面風荷載敏感區的負壓峰值及屋面風荷載體型系數,並給出了女兒墻限值公式。
  2. By the large quantity of indoor and field soil mechanics test, this paper investigated physics and mechanics property of xigeda stratum and xigeda compounding filling, profoundly and systematically studied on shearing strength, cbr ( including indoor cbr and field cbr ) and intensity feature of xigeda compounding filling. the new achievement and cognition as follows : ( 1 ) cbr value is decided by moisture content and mudstone content of xigeda compounding filling. the filling material can satisfy minimum intensity standard of express highway when mudstone content is less than some fixed value, ( 2 ) this paper established field cbr standard value which can synthetically evaluate the filling material nature and field compaction degree. ( 3 ) the optimal compacting mean of xigeda compounding filling is hard oscillation first and weak oscillation later, not traditional way which is weak oscillation first and hard oscillation later. ( 4 ) this paper put forward the conception of optimum moisture content in construction different from optimum moisture content of indoor impaction

    本文以昔格達填料強特徵為研究對象,大量的室內及現場試驗,從昔格達地層巖組的物理力學性質、昔格達填料的物理性質入手,對昔格達填料的抗剪強、室內承載比及現場承載比特徵進行了較系統地研究,獲得了如下認識及進展:昔格達混合填料承載比值受填料含水量及其中泥巖含量的影響,當泥巖含量小於一定值時,昔格達混合填料具有較的承載比值,能夠滿足速公路對填料的要求;建立了綜合評判昔格達填料性能及現場壓實效果的現場承載比( cbr )標準;對于昔格達填料而言,佳的碾壓方式為先強振后弱振而不是傳統的先弱振后強振;提出了與室內擊實優含水量相區別的施工佳含水量的概念。
  3. For the 30. 2mm shaft, there are still larger over measure to load. the strength is increased by optimization. for ? 17. 4mm shaft, the strength is increased by enlarge the inner dimension of the spline ; for 30. 2mm shaft, the strength is increased by adjust the structure at the boundary between the key groove and the ring groove, the highest stress of the shaft is at bottom and terminal of the spline after optimization

    其中對17 . 4mm泵軸的優化,增大花鍵內徑,提了花鍵齒底的強,降了應力集中點附近的應力;對30 . 2mm電機軸的優化,在軸承鍵的環槽端增加倒角,有效降了該位置的應力集中,使軸的大應力點從軸承鍵與環槽的交界處轉變到花鍵根部與收尾的交界處,提了電機軸整體結構強的合理性。
  4. As a result, in the paper, considering the altitudinal effect ( topography factor ) and the influence on the temperature lapse rate by topography and latitude and longitude and moisture transfer, the study on the daily surface air mean, max and min temperature in the reaches of yangtze rive is attempted by five models, which include the gaussian weighted model, the gaussian weighted model associated with the error - modification, the gradient plus inverse distance squared model and the modified gaussian weighted model a and b that take topography - factor into account

    本文考慮海拔和溫直減率受地形和經、緯及水汽等因素的影響,利用斯權重法、結合逐步訂正的斯權重法、梯距離權重反比法和加入地形影響項(地形因子)的兩種改進斯權重法的方案a 、 b ,對長江流域的地面日平均、氣溫場進行了空間化插值研究。
  5. The basic of bringing the money rate in the market into play is that the action of the commercial banks has to reflect the scale and composition of the currency supply in the market through high or low rate of deposit - loan

    商業銀行是資金運行的中心,市場利率發揮作用的基礎是商業銀行的行為必須存貸款利率反映出市場資金供求的規模和結構。沒有商業銀行制的根本改革,市場利率的運行就沒有重要的主體。
  6. Experiments show the optimum content of pyrophyllite and dolomite is 30 % ; in contrast to original bond, the refractory point of bond is reduced by 55, the average coefficient of thermal expansion is reduced by 30 % and flexural strength and shock strength of grinding tool are increased by 27 % and 22 % respectively

    實驗發現:葉蠟石和白雲石佳含量為30 % ,與原結合劑相比,結合劑耐火了55 ,平均熱膨脹系數降了30 % ,磨具抗折強了27 % ,磨具抗沖擊強了22 % 。
  7. The results from x - ray diffraction demonstrated that pp / mmtome was a fully intercalated nanocomposite, pp / mmtom and pp / ommt were partly intercalated nanocomposites, but the intercalation effect of pp / mmtom nanocomposite was better ; the crystallization characteristics of pure pp and pp / mmt nanocomposites were investigated by dsc, waxd and pom. the result of these testing showed that mmt nano - layers acted as nucleating agents for the crystallization of pp, the addition of mmt had effect on the crystallization process, leading the increasing of crystallization temperature crystallization rate and crystallinity, but also the dimension of spherulite reduced. but the formation of pp crystal did n ' t change, the formation of pp crystal in three pp / mmt nanocomposites and pure pp were a - form on the whole ; influences of three sorts of mmt on mechanical properties of pp / mmt nanocomposites were studied, as a result, the addition of mmt comprehensively improved mechanical properties of pp : notched impact strength, tensile strength and flexural properties were all increasing, but the extent of increasing were n ' t large

    xrd分析比較這三種pp mmt納米復合材料微觀結構得到, pp mmt _ ( ome )屬于完全插層, pp mmt _ ( om )與pp ommt的插層程相近,但是pp mmt _ ( om )相對較好;對純pp和三種pp mmt納米復合材料的結晶性能研究發現,蒙脫土納米片層對pp結晶產生明顯的異相成核作用,結晶能力增強,使pp的結晶溫和結晶速率提,結晶增加,球晶晶粒細化,但是沒有改變pp的結晶形態,三種pp mmt納米復合材料的結晶形態都屬于晶;對pp mmt納米復合材料的力學性能測試得知,蒙脫土的加入全面提了pp的力學性能,缺口沖擊強、拉伸強和彎曲性能都有一定程的提,浙江{ _業大學碩十學位論文摘要但是提都不是很大,不ommt 、 mmtom和mmtc ) me三種蒙脫土對pp力學性能有著不同的改性作用,其中pp / mmtom好, pp月邊mto崛次之, pp / ommt,這種情況主要是由蒙脫土對pp結晶性能的影響和蒙脫土的納米改性作用造成的。
  8. Optimal design with three variables is then done to the elbow - bar mechanism of the mp1040b moulding machine by utilizing the method of punishing function for constraint problems and variational scale for unconstraint problems. the optimal target function is the maxium of gradient in one work travel for the moulding plank of the elbow - bar mechanism. the result shows that the maximal gradient of moulding plank in one motion period declines by 25. 7 after optimization, and the angular acceleration of the bottom moulding plank decreases greatly

    動力學分析中,各構件的質量和轉動慣量是pro / engineer軟體,先建立各個構件幾何模型而求得;然後,利用解決約束問題的罰函數法和處理無約束問題的變尺法對mp1040b型模切機肘桿機構進行三個設計變量的優化設計,優化目標函數為肘桿機構的下模切板在一個工作行程中達到的大傾斜程優化設計,模切機肘桿機構的下模切板在一個工作行程中的大傾斜程了25 . 7 ,其角加速明顯減小,提了模切機動力學性能。
  9. Effects of diverse environmental factors on the growth rate ( od4oo ) and nitrogenase activity ( ara ) of the strain w12 hi nitrogen - free culture were investigated in our experiments. the results implied that the strain w12 could easily adapt to different cultural conditions : it could use various carbon sources ( especially glucose, sucrose, malic acid, mannitol ), propagate quickly and fix nitrogen at a temperature range of 15 ? to 40 ? and at 25 - 35 ? for optimum, at a ph range of 4 to 8. 5, at a saline concentration range of 0. 01 % to 1. 5 % ; low nlv " concentration had little effect on its nitrogenase activity. ara could also be detected when it grow in the culture media with 5mmol / l ntv "

    W12菌株對環境因子的適應性研究:無氮培養條件下,測定溫、碳源、酸堿、滲透壓對w12生長及固氮能力的影響,結果表明,在15 - 40下均能生長並表達固氮酶活性,其適生長及固氮的溫為25 - 35 ;能利用葡萄糖、蔗糖、蘋果酸、甘露醇等多種碳源生長並固氮,當培養基中同時存在蔗糖和蘋果酸時,細菌生長和固氮活性強;在偏酸和偏堿的條件下( ph4 . 5 - 8 . 5 )均能保持較強的生長勢和較的固氮酶活性,並能調節自身代謝平衡並適應環境的酸、堿性變化,使培養液趨于中性:能耐受較的滲透壓,培養液中卜、 5 naci濃對其生長和固氮酶活性影響不大,當naci濃升至2時,菌株的生長勢及固氮酶活性才有所下降:的鉸對其固氮酶活性影響不大,在0
  10. The recombinants were constructed by transforming ppic9 a - xynb into p. pastoris gs115. the assay results revealed that the xylanase gene xynb was overexpressed and secreted effectually in p. pastoris. in 3l fermentor the expression level of xylanase xynba exceeded 1200iu / ml and the expressed xylanase had normal bioactivity. the molecule weight of xynba was determined as about 31kd which is higher than 23kd of original enzyme xynb from streptomyces olivaceoviridis a1. xynbb was gotten by deglycasylation of xynba, whose molecule weight returned to 23kd. we comparised the enzymatic properties of xynba expressed in p. pastoris, xynbb deglycasylated from xynba and xynb produced from streptomyces olivaceoviridis al : there was little difference among the three enzymes on optimal ph, the optimal ph of xynb and xynba were both 5. 2, the optimal ph of xynbb was 5. 0 ; the optimal temperature of xynb and xynba were both 60 c, while the optimal temperature of xynbb was 50 ? ; because of glycosylation the thermal stability of xynba was better than xynb and xynbb ; the specific activity of xynba and xynbb were 883. 88iu / mg and 832. 5hu / mg respectively, which were both lower than 2814. 45iu / mg of xynb ; the km values of xynb and xynba were similar to each other which were 21. 56 ( g / kg ) and 20. 87 ( g / kg ), while the km value of xynbb was 27. 10 ( g / kg ) ; the fmax of xynba and xynbb were 4568umol / mg. min and 5329umol / mg. min respectively which were lower than 27623 umol / mg. min of xynb ; additionally all of the three enzymes did not display cellulase activity. they all had well resistance to pepsion and trypsin, and were not sensitive to metal iron, surface active agent and chelating agent. the analysis of different xylans enzymatic hydrolysate revealed : by xynba, that the main constitutions of enzymatic hydrolysate of birch wood xylans were xylotriose and xyloquaiose, which account for 68. 43 % and 16. 50 % respectively, additionally there was 11. 79 % of xylobiose ; the main constitutions of enzymatic hydrolysate of corncobs xylans were xylobiose and xylotriose, which account for 81. 78 % and 11. 55 %. the result indicated that this xylanase was a kind of 1, 4 - b - d - xylanohydrolase and was fit to used in industrial procession of xylooligosacc harides

    進一步對xynba進行了脫糖基化處理得到xynbb ,其分子量恢復到23kd ,證明xynba是糖基化蛋白。對畢赤酵母重組表達的木聚糖酶xynba 、脫糖基化的木聚糖酶xynbb以及橄欖綠鏈黴菌a1所產原酶xynb之間酶學性質的比較發現:三種酶的適ph差異不大, xynb和xynba均為5 . 2 , xynbb為5 . 0 ; xynb和xynba的適溫均為60 , xynbb降為50 :在耐熱性上, xynba由於糖基化作用熱穩定性明顯於未糖基化的xynb和xynbb ; xynba和xynbb的比活性分別為883 . 88iu mg和832 . 51iu mg ,明顯於原酶的比活2814 . 45iu mg ; xynb和xynba的km值相當,分別為21 . 56 ( g kg )和20 . 87 ( g kg ) ,而xynbb的km值較大為27 . 10 ( g kg ) ; xynba和xynbb的vmax相差不大,分別為4568 mol mg ? min和5329 mol mg ? min ,明顯於xynb的27623 mol mg ? min此外三種酶均無纖維素酶活性,對胃蛋白酶和胰蛋白酶有很好的抗性,且對作用環境中的各種離子、表面活性劑、螯合劑不敏感。對不同木聚糖的酶解產物的糖份分析發現:以樺木木聚糖為底物時,酶解產物主要為木三糖和木四糖,含量分別為68 . 43和16 . 50 ,另外還含有11 . 79的木二糖;以玉米芯木聚糖為底物時,酶解產物主要為木二糖和木三糖,含量分別為81 . 78和11 . 55 。
  11. Due to the short distance among the planes which fly in a group, the conventional low resolution radar can not distinguish them in both distance and azimuth ? if we use the technology of isar to resolve the difference among doppler frequency of the targets and obtain a fine resolution cross - cross image, we may separate them, but a long time of coherent processing is needed <, for the formation targets, it can be approximately divided to rigid body and nonrigid body, so for the formation targets, that can be regarded as rigid which has a relative position and an identical movement, can be approximately considered as a large target, and be compensated by translational phase with the rule of minimum entropy, but for the most those cannot accord with the approximation of rigid, being the doppler - frequency of the aim is linear changed, by the relax method with short data, increases the resolving performance of multiple target to the aim in the frequency domain, since cross - range resolution is based on the accumulative time, so it is greatly improve the resolution to formation targets by the instant cross - range image which produced by radon - wigner transformation

    分辨isan成像及干涉技術應用研究一因此直接無法分辨編隊目標的架數,我們借鑒isar的技術,較長時間的相干積累,在多普勒頻域上對目標進行分辨。而對于編隊目標,可分為近似剛性的多目標和非剛性的多目標,所以對于可以近似為剛體的編隊目標相對位置固定,運動方式一致,可以近似看作一個大目標,採用小墑準則對平動相位的進行補償,但是大多數並不滿足剛體近似的編隊目標,由於目標在相干積累時間的多普勒頻率近似呈線性變化,對較短數據利用relax的時頻分析方法,提了頻率域上目標分辨的性能。由於橫向解析取塊于橫向積累時間,所以利用radnwigner變換得到瞬時的一維橫向距離像大大提了對編隊目標的分辨,對模擬和實測數據的大量分析結果表明此方法的有效性和可行。
  12. ( c ) propose the scheme to implementing the coder and deoder of optical time - spreading / frequency - hopping, by assigning two orthogonal codes for one user and using these two codes to encoding 1 and 0 respectively, differential detection can be adopted. not only improves system performances in ber, but also resists the interference such as mai, and does n ' t need any control devices to evaluate the optimum decisive threshold

    給每個用戶指定互相關為0的兩個地址碼分別發送1和0信號以及在接收端採用差分檢測技術,避免了ook (開關鍵控)光信系統中0不發送光脈沖和ook常規檢測方式下佳判決門限必須根椐用戶數等外界環境而改變,從而提了系統性能和降了系統的復雜
  13. The essence of edid is to set up a normal behavior fuzzy sub collection a on the basis of watching the normal system transfer of the privilege process, and set up a fuzzy sub collection b with real time transfer array, then detect with the principle of minimum distance in fuzzy discern method the innovation point of this paper is : put forward the method of edid, can not only reduce efficiently false positive rate and false negative rate, also make real time intrusion detection to become possibility ; have independent and complete character database, according to the classification of monitoring program, design normal behavior and anomaly behavior etc., have raised the strongness of ids ; use tree type structure to preservation the character database, have saved greatly stock space ; in detection invade, carry out frequency prior principle, prior analysis and handling the behavior feature of high frequency in information table, have raised efficiency and the speed of detection, make real time intrusion detection to become possibility ; have at the same time realized anomaly intrusion detection and misuse intrusion detection, have remedied deficiency of unitary detection method

    這種方法的實質是在監控特權進程的正常系統調用基礎上建立正常行為模糊子集a ,用檢測到的實時調用序列建立模糊子集b ,然後用模糊識別方法中的小距離原則進行檢測。本文的創新點是:對特權進程的系統調用及參數序列的研究,提出了基於euclidean距離的入侵檢測方法edid ,不僅能有效降漏報率和誤報率,而且使實時入侵檢測成為可能;設計有獨立而完整的特徵數據庫,根據被監控程序的類別,分別設計正常行為、異常行為等,提了檢測系統的強健性和可伸縮性;特徵數據庫按樹型結構存儲,大大節省了存儲空間;在檢測入侵時,實行頻優先原則,優先分析和處理信息表中的行為特徵,提檢測的速和效率,使實時入侵檢測成為可能;同時實現了異常入侵檢測和誤用入侵檢測,彌補了單一檢測方法的不足。
  14. The tests were conducted in the hypersonic low density wind tunnel at nominal test conditions of mach 16, stagnation temperature 923k, stagnation pressure 1. 40mpa and 7. 30mpa. heat - transfer data were obtained on a hemisphere model, a sharp cone and a big blunt cone respectively by means of infrared thermal mapping techniques, that of a 0. 5mm thickness blunt cone by virtues of thermocouples. furth ermore, heat - transfer on all those models was calculated with the theoretical method

    後在名義m _ = 16 、 t _ 0 = 923k 、 p _ 0 = 1 . 40mpa及7 . 30mpa的超聲速風洞中,利用紅外熱圖技術獲得了半球圓柱、尖錐、大鈍頭三個模型表面熱流分佈,利用薄壁法技術得到了一壁厚為0 . 5mm的鈍錐模型表面的熱流分佈,並工程理論方法計算了模型表面的氣動熱,把理論計算結果與上述試驗結果比較,幾者符合得較好。
  15. By using inverted microscope, it was observed that dunaliella salina of different growth stages after the high osmotic shocks can live in the medium with nacl concentration between 0. 1m and 5. 0m, but its growth status and period showed differently. the optimal concentration for the growth of dunaliella salina was 0. 5 - 1. 5m, and this organism could stand a variety range of osmotic shock. enolase gene, the anti - adversity gene of d. salina, was cloned by modified degenerate pcr technique

    倒置顯微鏡觀察生長在不同鹽濃,不同生長時期,以及經不同滲透壓震動的鹽藻,四川大學博士學位論文發現其在o . im一5 . omnaci培養基中均能正常生長,但其生活狀態及生長周期有所不同,其適生長naci濃為0 . 5一1 . 5m ,還能適應各種滲及滲震動。
  16. Abstract : by using the correlation analysis of cotton climatic output and temperature elements of different temperature types and different length periods of time in akesu cotton region, the results obtained indicate ( 1 ) using daily temperature elements of different length periods of time correlated with cotton climatic output is more useful, more reasonable and more easily in founding out optimum temperature elements with biological significance than using ten - days temperature elements ; ( 2 ) in three temperature elements of mean temperature, maximum temperature and minimum temperature, the effect of maximum temperature on cotton climatic output is the greatest, mean temperature is greater, and minimum temperature is the least ; ( 3 ) the low temperature in later spring and summer have some limiting effects on forming cotton climatic output in akesu cotton region

    文摘:對阿克蘇棉區棉花氣候產量與不同長時段、不同類型溫要素的相關分析,結果表明: ( 1 )採用不同長時段的日溫要素與棉花氣候產量進行相關分析,比採用旬溫要素的工作更細致,更合理,更易找出對棉花氣候產量影響較大的有生物學意義的較佳時段和溫要素; ( 2 )在平均溫3個溫要素中,以對棉花氣候產量的影響大,其次是平均溫小; ( 3 )春末及夏季的溫對阿克蘇棉區的棉花氣候產量形成具有一定的制約作用。
  17. It is proposed that the higher dose condition creates more hot carriers but the lower sensitivity to hot carrier effect. therefore, the optimum dose for reliability is determined from the trade - off between the above two aspects. finally, a simple model is proposed and discussed

    本文還深入研究了sde區摻雜濃對器件熱載流子可靠性的影響,指出濃的提雖然會產生更多的熱載流子,但由於其對熱載流子損傷的敏感,因此將存在一種折衷,一個簡單的寄生電阻模型,對摻雜濃后,器件對熱載流子損傷敏感的現象做出了很好的解釋。
  18. The influence of preparing conditions on aluminum titanate composing was inquired. by analyzing element content of alumina and titania source, arranging a stoichiometric dosage, and keeping the chemical homogeneity from sol to mixed ti - al oxide precursor, a high activity powder was prepared. after calcining the precursor powder at 1250 for 2h, aluminum titanate phase is formed

    本試驗準確測定起始物的ti 、 al含量,嚴格化學配比,採取適當措施將微尺上的組成均勻性從溶膠一直保持到混合鋁鈦氧化物前驅體的生成,使該粉體具有活性,將其在1250煅燒2h ,已合成出以鈦酸鋁為主晶相的產物,比文獻報道的鈦酸鋁相的生成溫了50 。
  19. In view of at present on the solid bridge the high - damping rubber dampers use the press capability of high damping rubber, the material utilization ratio is low, in this paper, the high damping rubber shearing damper has been put forward. by way of shearing capability trial of the high damping rubber damper test objects, the effects of laws concerning frequencies, temperatures and layer ' s thickness on the behavior of the damper are obtained ; and one kind of simple and convenient design method of high damping rubber shearing damper has put forward. finally high - damping rubber shearing damper is in simple comparison with viscous shearing damper

    鑒于目前實橋上阻尼橡膠圈是利用的阻尼橡膠的擠壓性能,材料利用率,本文提出了剪切型的阻尼橡膠減振器,阻尼橡膠減振器試件剪切性能試驗,獲得了頻率、應變幅值,厚等各種參數對阻尼橡膠減振器試件的影響規律,並提出了一種簡便的阻尼橡膠剪切型拉索減振器的設計方法,後並與粘性剪切型阻尼器做了簡單比較。
  20. The method reduces the data to search via decomposing the image to several effectual subimages by the wavelet, then reduces the searching space through multi - resolution analysis, and refine the solution using an iterative refinement algorithm finally

    該方法利用小波變換將圖像分成若干層次,引入有效子圖的概念來降待搜索的數據量,應用小波理論的多分辨分析思想來縮小搜索空間,迭代求精演算法實現了圖像的快速、配準。
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