比率及比例 的英文怎麼說

中文拼音 []
比率及比例 英文
ratio and proportion
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  • : 率名詞(比值) rate; ratio; proportion
  • : Ⅰ動詞1 (達到) reach; come up to 2 (夠得上; 比得上) can compare with; be comparable; be up to ...
  • 比率 : ratio; proportion; rate比率計 ratio meter
  • 比例 : 1. (長度上縮小和放大的倍數) scale; scaling 2. (比率) proportion; ratio; proportionality
  1. Long - hole and geometrical proportion type of mixing unit is finally adapted in lpg supply system, and power and torque output of lpg engine are improved by increasing compression ratio, and ignition characteristic is tried to adjusted to satisfy engine performance. meantime emission performance and noise level of lpg engine at full - throttle and other various part - throttle operations are tested and compared with former gasoline engine. ( 3 ) it is verified by engine dyno tests that lpg engine has better synthesized performance at aspects of power and torque, fuel economy, as well as emission than former gasoline engine

    選擇了等長孔式混合器控制空燃;通過提高壓縮來彌補動力性的損失;以動力性為主控目標,對最大功點、最大扭矩點、中等轉速、最低轉速點所對應的發動機轉速做了點火特性的調節;通過空燃的合理控制,直接改善發動機的動力性、經濟和排放指標;作為對缸內燃燒過程的理論分析,進行了燃燒特性的實驗測試;對原汽油機和新開發的液化石油氣發動機,進行了外特性和部分負荷特性以怠速的排放噪聲對性測試。
  2. The effects of salt - coagulants embedment ratio on instant soybean curd strength, water losing rate and organoleptic evaluation were studied

    摘要研究了鹽類凝固劑的不同包埋對即食豆腐腦的凝膠強度、失水感官評定得分的影響。
  3. To observe differential two kind of methods in pull out urinous catheter had to differential injure in bladder function, 80 patients divided into two groups at random : improved method of 40 patients and normal method of 40 patients and to ananlyse and compare successful rate in urinate, resumed rate in function of forced urinous muscle, stimulative symptom of urethra, incontinence of urine and retention of urine, that were from two groups patients

    摘要為觀察兩種不同的拔尿管方法對膀胱功能損傷的差異,將80患者隨機分成兩組,分別採用改良法( 40)和常規法( 40)拔除留置尿管,分析較了兩組患者排尿順利、逼尿肌功能恢復尿道刺激癥、尿失禁、尿瀦留。
  4. It is found that the electric, field improves elongations in 2090 and 2090 + ce alloys markedly, especially in 2090 alloy, but has little effect on strengths. at the same time, the electric field lessenes percentages of intergranular delamination and increases transgranular fracture and microscopic plastic deformation. besides, the electric field makes both average particle size and its distributing range of 8 " phase smaller, and reduces the half width of pfz in aged alloys

    研究表明:固溶電場可顯著提高2090合金2090 + ce合金的延伸,尤其是對2090合金,但對強度則無明顯的影響;同時,固溶電場減少合金的沿晶分層斷裂,並增加穿晶斷裂微區塑性變形;固溶電場還使合金時效后相顆粒的平均尺寸減小、尺寸分佈范圍減小,並使pfz的寬度減小。
  5. Determination of density and open and closed porosity of uranium dioxide pellets ; boiling water and immersion method

    二氧化鈾小丸的開口孔隙和隱孔隙所佔密度
  6. Based on this kind of relations between the topological structures and the content distributions we study the web modelling, community identification and some related application problems in detail : first, after some existed characteristics of the web topology are verified, some new characteristics are discovered : the high clustering property in micro - topology ( high average gathering coefficient ), the obvious mapping relation between the topological struture and the content in micro - level 、 linear irrelevant between the degree distribution of network nodes and the relative degree distribution of contents etc. then after analysis the topology of the complex network and the network modeling, the muti - scale determinism is proposed, especially for the information network a web evolvement model ( prcp model ) that fused the node authority and the node correlation is proposed. the model deduction, evolving learning verification and large scale experiment proof indicate that the model can explain the micro - topology centralizing phenomena, can imitate the mapping relation between the network connecting distribution and network content relative distribution and also can predict the mapping relation between the topology clustering and content clustering

    本文在詳細觀察了web網路的拓撲結構特徵以拓撲結構與內容分佈相互關系的基礎上,以信息網路的物理連接拓撲結構與節點內容相關度分佈之間的相互關系為主線,從網路特徵、網路建模、社區分析相關應用方面問題進行了深入細致地探討:首先在驗證了前人提出的web網路拓撲結構特徵基礎上,進一步發現了信息網路所具有的一些新特徵: 1 )網路微觀顆粒度的拓撲結構聚團與內容聚團存在明顯的映射關系,具體包括節點之間的物理連邊概與節點之間的內容相關度成指數關系、節點形成三角形拓撲結構的概與節點內容相關緊密程度之間同樣具有一種指數關系; 2 )網路節點連接度整體分佈與節點內容相關度整體分佈是線性無關的; 3 )網路微觀拓撲結構中的存在很強的集聚性(平均聚團系數很高) 。
  7. Applying the basic theories of spatial data mining and geomorphology, taking the loess plateau of north shaanxi province, china as the research area, this dissertation explored the theories and systematic structures of geomorphologic data mining and acknowledge discovery from dems, ascertained the systematic structures of topographic factors and synthetic topographic acknowledge, as well as systemically summarized mining algorithms from dems. the author pa id more attention also to analyze the principle and algorithm of flow length, curvature, relief, the earth ' s surface incision and gully density. in this research, the elementary constitutes and mining algorithms of regional character acknowledge in the loess plateau were probed

    本研究在廣泛總結前人研究成果與研究經驗的基礎上,利用空間數據挖掘和地形地貌學的基本理論,以陜北黃土高原多地貌類型區為實驗樣區,以1 10000尺dem為樣本數據,探討了dem中地形地貌數據挖掘與知識發現的理論方法和體系結構;確定了宏觀和微觀地形因子、地形綜合特徵知識的體系結構;系統總結了dem基本地形因子的提取演算法,並重點對坡長、曲、地形的起伏度、切割深度和溝壑密度因子提取的原理與演算法作了深入的分析;提出了黃土高原地區區域特徵知識的基本構成其系統完整、科學可行的挖掘提取演算法;擴充了arcviewgis軟體平臺中dem空間分析的基本功能;實現了以delphi7 . 0為平臺的地形信息輔助挖掘系統的設計與開發;完成了對黃土高原多地貌類型區(樣區)地形信息空間分異特徵的分析。
  8. The obtained results do not support a major gene for body mass index in chinese, the discrepancies between our study and previous studies may result from ethnic difference between chinese and other populations ; the general model provides the best fit to the data, while the environmental model is the second parsimonious model, perhaps due to complex mode of body mass index inheritance ; a moderate heritability estimate is found for body mass index ( h2 = 0. 313 ), lower than that of other populations, this is presumably due to the fact that aside from the influence of genetic bases, body mass index is strongly influenced by environmental factors and that there is a low proportion of obese individuals in samples ( only 4. 1 % individuals have body mass index > 30 )

    分離分析的結果表明, ( 1 )體重指數不存在主基因分離,不同於在其他非中國人群中檢測的結果,說明存在種群差異性; ( 2 )一般模型提供了最合適模型,環境模型是次之的嚴格模型,可能由於體重指數遺傳模式的復雜性所致; ( 3 )中國人群中體重指數具有適中的遺傳( h ~ 2 = 0 . 313 ) ,低於其他人群中的結果,這是由於體重指數除了受遺傳因素影響外還受環境因素影響樣本中低的肥胖個體( 4 . 1的個體bmi 30 )的原因。
  9. The influence of such parameters as axial load index, aspect ratio and percentages of lateral reinforcement, on seismic performance of reinforced concrete frame column in hong kong and analyses the distribution relationships of flexural deformation, shear deformation and slippage of longitudinal reinforcement in joint zone

    根據試驗結果,討論了軸壓、配箍、剪跨等參數對其抗震性能的影響,分析了水平荷載作用時塑性鉸區的彎曲變形、剪切變形和縱向鋼筋粘結滑移變形所產生的位移在框架柱總水平側移中所佔的其變化規律。
  10. The cooling system for engine adopted hydraulic drive and control technology to control the speed of the fan : the chip adjust the control - current of the proportional value, which used in the engine cooling system, to control the speed of the fan. and the size of the control - current is according to the coolant temperature, coolant temperature change rate and target temperature. as for as the hydraulic cooling system we used a motor to drive and control the fan ’ s work or stop according to the temperature of the hydraulic oil

    該系統的特點其實現的功能為:電液混合驅動方式改變了工程機械冷卻裝置驅動方式單一的缺點,發動機冷卻系統採用了電液技術控制風扇轉速;單片機可以根據冷卻液溫度、冷卻液溫度變化和目標冷卻液溫度調節液壓驅動系統中電液閥的控制電流,進而控制液壓油的流量,即可以實現冷卻風扇轉速的連續調節;液壓油冷卻系統採用了電動機驅動,然後由單片機根據液壓油的溫度控制電動機的起動和停止。
  11. The study shows that the early and late seed rains of constructive tree species in evergreen broadleaved forest at chongqing simian mountain had no activity. the bigger the seeds of the species and the earlier or later the seeds of the species matured, the higher the proportion of the seed rain damaged by animals. the quantitative variation of seed rain, active seed rain and seed bank did not take place at the same time. at early time, the number of seed banks of castanopsis fargesii, lithocarpus glabra, quercus myrsinrefolia, castanopsis plasyacantha, cinamomum subavenium. which own more active seed rain increased by geomitric series. the seed banks of castanopsis orthacantha and schima argentea were small, only survived a short time, and did not sprout next year. the quantitative dynamics of seed banks and their increasing or decreasing rates were decided by the proportion damaged by animals, dying speed of seeds and their resistance to pathogens and adverse circumstances, and the state of seed germination

    對重慶四面山常綠闊葉林建群種種子雨、種子庫的研究表明,建群種早期和晚期的種子雨無活力;種子偏早或偏晚成熟大籽粒的樹種,其種子雨被取食的大;種子雨、有活力種子雨、種子庫三者的數量變化不一致;有活力種子雨量較大的栲、石櫟、小葉青岡、扁刺栲、香桂等,其種子庫密度在早期以近幾何級數的方式增長,元江栲、銀木荷種子庫小,存在時間短,翌年無一年生萌發苗;種子庫數量動態、消減動態決定於種子被取食的強度、種子衰老的速度以種子對病菌、逆境的抗性和種子萌發的整齊性
  12. The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault , researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system , a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows : this paper compared some existing methods in excitation control , fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 , indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which , discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations , made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations , which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations , there were several very important parameters of power system - - rotor angle ( ) , rotor speed ( ) , generator q axis voltage ( eq ) , transient voltage ( e ' q ) , active power ( pe ) , mechanical input power ( pm ) , valve opening ( ) , generator terminal voltage ( vt ) , based on the model , nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault , which achieved better postfault regulation compared with another two routine methods , one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either

    在介紹逆系統理論的基礎上,詳細介紹了dfl理論,通過較闡明了dfl理論其本質是逆系統方法的一類,並結合具體課題推導出的模型方程將dfl理論進行了擴展,使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程,此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功pe 、機械功pm 、汽門開度、機端電壓vt ,在此基礎上建立了實用的電力系統簡化的數學模型,並將擴展的dfl理論應用於此模型系統,結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器機端電壓最優控制器,通過模擬實驗與採用常規的按電壓偏差進行調節的式勵磁控制器+汽門控制採用常規的按電壓偏差進行調節的式勵磁調節器和基於二次型性能指標設計的最優快控汽門(考慮發電機的飽和因素)進行了對,證實了採用此種控制器可以有效地提高電力系統的暫態穩定性,並且在電力系統遭受小干擾時同樣具有良好的調節性能。
  13. It shows that the bias in the post - irradiation recovery period and the ratio of the interface state to the electron tunneling influence the recovery rate

    模擬結果表明:退火過程所加柵偏壓的大小以隧道電子效應與建立的界面態所佔的不同影響器件的恢復
  14. 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二次燃燒的變化,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 )影響轉化和二次燃燒;而在任意下保證充分反應的溫度為900以上
  15. The waste electrical and electronic equipment directive mainly requires the producers of electrical and electronic equipment imported into the member states of the european union to meet most of the costs of collecting, treating, recovering and disposing of their products put on the market after august 2005. for products put on the market before august 2005, the producers are required to share the responsibility for the collection, treatment, recovery and disposal of such products in proportion to their respective share of the market

    《廢棄的電器電子產品管理指令》主要是要求入口歐洲聯盟成員國的電器電子產品的製造商,負責大部份回收、處理、循環再造棄置其在二五年八月後推出市場的產品根據各製造商的市場佔有,按使他們負責在二五年八月前推出市場的產品的回收、處理、循環再造棄置。
  16. The research on the incentive mechanism, whose difficulty and stress focuses on the design of the compensation mechanism, includes the proportion of the salary, bonus, stock option and selection of the target of firm performance, etc. because of the flaws in the marked mechanism and corporate governance in our country, we need think more over, such as the object of the applied, stock option and the internal & external environments in the design of the soe operator ' s annual salary system

    從國外在該領域的研究成果來看,目前經營者年薪制設計的難點和重點集中在報酬結構的設計,即工資、獎金、期權收入的設計、經營者業績考核指標的選擇、激勵強度的實證分析和信息揭示效的研究等方面。我國由於在市場競爭機制、公司內部法人治理結構、法律環境完善等方面存在缺陷,使得國有企業經營者的報酬設計除了上述各方面外,還須對經營者年薪制的實施對象、期權設計、內外環境進行分析。
  17. During 2004 no ai breached the requirements of the banking ordinance relating to the capital adequacy ratio and liquidity ratio

    2004年內並無認可機構違反《銀行業條》有關資本充足流動資產的規定。
  18. The ratio of the loss of the different parts in the assistant circuit to the output power is calculated too

    計算出輔助迴路各部分的損耗,以輔助迴路中各部分的損耗占輸出功
  19. Currently, the plot ratio and site coverage restrictions on domestic use under the buildings ordinance are more stringent than those on non - domestic uses

    現時,在《建築物條》下,住宅用途之地積覆蓋的限制,非住宅用途的更為嚴謹。
  20. The effects of the gas system and proportion, different microwave power, different reaction pressure and different pretreatment methods of substrate and the position of substrate on the microstmcture of diamond films were respectively discussed in this paper

    分別考慮氣體系統、微波功、反應氣壓、基片處理方式和基片位置對低溫沉積金剛石薄膜的影響。
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