normal ratio 中文意思是什麼

normal ratio 解釋
正常場比值
  • normal : adj 1 正常的,平常的,普通的;平均的。2 正規的,標準的,額定的,規定的。3 智力正常的,精神健全的...
  • ratio : n. (pl. ratios)1. 比,比率,比值;比例;系數。2. 【經濟學】復本位制中金銀的法定比價。vt. 1. 用比例方式表達;求出…的比值;使…成比例。2. 將(相片)按比例放大或縮小。
  1. In this paper, the relation between differential driven ratio accuracy and the common normal length error of cylindrical bevel wheel has been found by experimental method, which provides a efficient way for cylindrical bevel wheel manufacturer to control the common normal length error of the wheel

    摘要通過實驗研究,尋找出差動傳動比的精度與斜齒圓柱齒輪的公法線長度誤差的關系,從而為斜齒圓柱齒輪的加工提供一個可以控制斜齒圓柱齒輪公發線長度誤差的有效方法。
  2. For sliding contact, the coefficient of kinetic friction uk is defined as the ratio of the frictional force to the normal force.

    滑動接觸時,動摩擦系數Uk的定義是摩擦力與法向力的比率。
  3. For sliding contact, the coefficient of kinetic friction uk is defined as the ratio of the frictional force to the normal force

    滑動接觸時,動摩擦系數uk的定義是摩擦力與法向力的比率。
  4. We introduce two thresholds of the packet loss ratio to divide the network load condition into three status : congest, normal, idle

    通過兩個門限值c 、 _ ,將網路的負載狀況分為擁塞、適中、空閑三種狀態,進一步減小發送速率的振蕩頻率。
  5. Half animals were perfused with paraformaldehyte following normal serum after test innnediatly, then removed the brain and fixed for 24 hours with paraformaldehyte, paraffin sections were prepared at 3um, histochemical staining for counting ce11 pro1iferating ratio and in situ hybridization for calculating integra1 scores of stem cell factor inrn positive signals

    結果如下: 1增殖細胞的觀察經72h的快眼動睡眠剝奪,實驗組大鼠海馬齒狀回區brdu與p皿a ( proliferatingcellneuclearantigen , pma )陽性標記細胞數顯著增加。
  6. Lots of useful data on tangency ratio of joints in several normal conditions can also be found in this paper

    通過實驗手段給出了幾種工程實際條件下的結合面的相對接觸比。
  7. The thermal visualizations of jet impingement cooling with single or double row holes inside semi - enclosed channel are measured by using infrared camera and then the impingement cooling heat transfer coefficients are deduced. the effects of flow and geometry parameters on convective heat coefficients are obtained. the results show that : for a single row normal impingement, the impingement cooling effectiveness is enhanced with the increase of impinging reynolds number or the decrease of hole space to diameter ratio, and the best effectiveness is achieved under the jet - to - surface spacing equals to 2 ; when the jet is oblique to the confined wall, the cooling effectiveness is weaken especially under the jet - to - surface spacing ratio is greater than 2 ; for double rows normal impingement cooling, the cooling effectiveness of rear row jet is weaker than the front row under lower impinging reynolds number or bigger jet - to - surface spacing

    對于單排垂直射流,沖擊冷卻效果隨射流雷諾數的增加、孔間距與直徑比的減小而得到提高,沖擊間距比為2時換熱效果最好;沖擊孔中心線向通道封閉一側傾斜后,射流沖擊冷卻的范圍變窄,當沖擊間距比大於2時駐點區的對流換熱能力明顯降低;對于雙排沖擊射流,孔排間距與直徑比的增加使沖擊冷卻范圍變大,但在兩排孔之間區域的對流換熱系數有所下降;在較小的沖擊射流雷諾數和較大的沖擊間距比下,後排射流的沖擊換熱效果要遜於前排射流。
  8. 4. m nrmaratri or wo tw bobo or or anct the mp of it ( 1pebo is the by puttin soso bo normal heptan solven, with normal hexan added as coha and 10mow solution of m usto to sawthe. ha the bo through the meto of m and dyfor laser scatw, it is w tha 10 " mow hhophg of 40 % swn degree can form good boion whe the ratio of normal heptane : normal hexanl w hom 8 : 2 to 6 : 4

    Wo型hhophg微乳液的制備及性質研究門)皂化度為40的lx10 「 mol l的hhophg在正庚烷與正己醇用量為8 : 2 6 : 4 (體積比)的范圍內均能夠形成良好的微乳液,正己醇加入過多或過少都不利於m g微乳液的形成。
  9. A separated - parameter method is proposed to calibrate the structure parameter. a vanishing line method is proposed to calibrate the normal vector of light plane and invariability of cross - ratio is proposed to calibrate the baseline length

    並提出一種參數分離的方法對傳感器進行了標定,採用消隱線法標定激光平面的法矢量,利用交比不變原理標定激光平面的基線長度。
  10. The peak of cd 137 expression on t cells from aging mouse appeared earlier compared with normal, and the appearance of the early peak was time dependently with aging. ( 2 ) the expression pattern of cd137 from subacute senile mouse was similar to that of the aging mouse. ( 3 ) the death ratio of t cells from aging mouse were higher than that of the normal level. ( 4 ) mrna of t cells from aging mouse and subacute senile mouse was decreased, and mrna from t cells of model mouse seem have a lower quantity than the aging mouse

    提取總rna ,應用rt - pcr方法檢測cd137的mrna水平變化。結果( 1 ) d -半乳糖致衰老模型小鼠和自然衰老模型的脾臟t細胞上cd137分子表達水平低於正常水平,表達高峰提前出現,隨后表達水平下降遲緩。 ( 2 )在造模過程中,亞急性衰老模型小鼠cd137分子表達水平逐漸降低,分子表達峰逐漸前移。
  11. The organization cuts into slices and examines by the in situ pcr, drip protease k 20 ( xl with loomg / ml to digest respectively in pretreatment, increase with normal position positive cell account for total ratio of cell, according to the positive standard cells > 75 %, confirm the lightest digestion time, studying the influence and relationship of different fixation time with protease digesting each other, detecting the mn genotype of the organize slices at the same time

    石蠟切片進行原位pcr檢,預處理分別滴加loom歲血的蛋白酶k20閃消化,以原位擴增顯色后陽性細胞占總細胞的比值> 75 %為標準,確定最適消化時間『 , ,研究不同固定時間與蛋白酶消化的相互影響和關系,同時檢測石蠟切片的mn基因型。
  12. This study was conducted to examine the interrelationship of 10 seed vigor traits in 12 wheat genotypes through variance, co - variance and path coefficient analysis, to determine broad - sense heritability, and to estimate genetic advance under selection. the genotypes showed significant difference for all traits, except for percentage of normal seedling. genetic correlation between conversion efficiency of seed reserve, electrical conductivity with other traits were not significant, showed that selection for any of them might be possible without hampering any other traits. however path coefficient analysis indicated that conversion efficiency of seed reserve, seed reserve utilization ratio have strong direct effect in affecting seedling weight, and that mean germination time has significantly negatively correlated in affecting gi. moderate to high estimates of broad - sense heritability, genetic coefficient of variation and expected genetic advance were obtained for electrical conductivity, germination index, mean germination time, seed dry weigh, seedling dry weigh, seed reserve depletion ratio indicating the possibility for improving these traits

    本研究利用12個普通小麥品種對10個種子活力性狀的遺傳變異和相關研究,表明除正常幼苗百分率外,其餘種子活力性狀在品種間均存在顯著的差異.種子貯藏物質轉換效率、電導率兩個性狀間及與其它性狀均無顯著的遺傳相關,因此對他們的選擇不會影響到其它性狀.通徑分析表明幼苗干重主要取決于種子貯藏物質轉換效率、種子貯藏物質利用速率;發芽指數主要由平均發芽時間決定.電導率、發芽勢、幼苗干重、種子干重、發芽指數、種子貯藏物質消耗比率6個性狀表現中到高的遺傳力、遺傳變異系數和相對遺傳進展,指明通過遺傳育種手段改良這些性狀是可能的
  13. In viewing of the characteristics of propagation of 3d converted wave, studies are performed on the processing methods of 3d converted waves, such as horizontal component rotation, calculation of 3d transition point, hyperbolic velocity analysis and nmo ( normal moveout ) correction of 3d converted wave, and non - hyperbolic velocity ratio analysis and nmo correction of 3d converted wave

    基於三維轉換波傳播特點,對三維轉換波資料處理方法進行了研究,包括水平分量旋轉,三維轉換點計算、三維轉換波雙曲速度分析與動校正、三維轉換波非雙曲速度比分析與動校正等。
  14. The ratio of light conductivity to dark conductivity of the nv - si / a - si : h photoconductor is 103, and the light conductivity of nc - si / a - si : h photoconductor in the normal is 2 - 4 times more than that in the lateral

    這種nc - si a - si : h光導膜具有柱狀結構,薄膜的光暗電導比達到10 ~ 3 ,其縱向電導率是橫向電導率的2 4倍。
  15. The results show that the drag of grid fins is little affected by width to chord ratio, the normal force of grid fins was large, and that the smaller was the ratio, the better was the characteristics of the grid fins ' s normal force in tested sizes of width to chord ratios

    結果顯示,在所選擇的格寬翼弦比范圍內,格寬翼弦比對阻力的影響不大,對法向力有明顯的影響,格寬翼弦比越小法向力特性越好。
  16. Abstract : with the aids of computer ' s hardware, executive mechanism of weld arc length automatic controller of all - position pipe welder and additional software, an automatic system for arc striking has been developed, in which touch - starting method using tiny current is introduced. utilizing this method, the ablation ratio of tungsten electrode and tungsten inclusion ratio of welded seam is far smaller than normal touch - starting method. and the successful ratio of arc striking is high

    文摘:用全位置自動焊管機弧長自動控制系統的計算機硬體和執行機構,僅增加部分程序,設計了採用小電流接觸引弧法的自動引弧系統,鎢極燒損和焊縫夾鎢遠小於普通的接觸引弧方式,引弧成功率很高。
  17. How to use local condition and ecnomical dveloping and the elementary education, normal school in different regions increases the impact and momentum of reform, rationally transform and optimizes distribution of educational resources. increases the utilisation ratio of educational resourses, enhances the strengthen of running a school. on the basis of increasing running ratio of a school, with destination and polity, it is to promote the adjusting and improving the struture of education in normal school. to 2010, completely fulfill the transition from normal school to normal college is the historical choice and the future ideal direction of the developing education of normal school

    不同區域的中師學校,如何根據當地經濟發展狀況和基礎教育現狀,在現有條件下加大改革力度,合理重組、優化配置教育資源,提高教育資源利用率,增強辦學實力;在逐步提高辦學效益的基礎上,有目的、有計劃地促進中師教育層級的提升,到2010年,基本實現三級師范向二級師范的過渡,是中師教育發展的現實選擇和未來理想路向。
  18. Look upon city is filled with ratio index to should be waited for from the point of dynamic angle, for high to income fluctuation industry, short - term inside occurrence deficit is normal phenomenon, should be filled with rate computation as city with average gain at this moment, perhaps use what did not come to anticipate gain comes to computational city to be filled with rate, such city is filled with frank ability significant

    看待市盈率指標應該從動態的角度來看待,對于收入波動性高的行業來說,短期內出現虧損為正常的現象,這時應該用平均的盈利作為市盈率計算,或者使用未來的預期盈利來計算市盈率,這樣的市盈率才有意義。
  19. Moreover, it has been pointed out that the hydrogen engine used in ? cylinder injection with high pressure can increase volumetric efficiency and compression ratio, - therefore, the performance indexes in this engine, such as output power, thermal efficiency, range of thickness of mixture with normal operation and nox emission, can be improved, and it is possible for the engine to realize rapid combustion of thin mixture, so abnormal combustion, such as backfire, pre ? ignition, can be controlled effectively

    指出了採用內部混合氣形成方式且高壓噴射的氫發動機,有利於提高充氣效率和壓縮比,從而改善發動機的動力性和經濟性;有利於擴展發動機正常工作的濃度范圍;並且有利於實現稀薄混合氣快速燃燒,從而可以有效地抑制早燃、回火及爆燃等異常燃燒和no _ x排放量。試驗指出了發動機的點火正時、噴射正時及噴氫量對發動機的性能、異常燃燒、 no _ x排放量有很大影響。
  20. Whether the monthly expenditure of the wrd is spent entirely on monitoring consultancy contracts which amount to an average monthly cost of about 20, 000, 000 ; if so, of the reasons for this 1 : 1 ratio of supervision fees which differs from the normal ratio of 1 : 5

    西鐵部每月的開支是否全部用於監督目前為數平均每月約值2 , 000萬元的顧問合約若然,這個1 : 1比例的監督費用有別于通常的1 : 5比例的原因為何及
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