時間恆定的 的英文怎麼說
中文拼音 [shíjiānhéngdìngde]
時間恆定的
英文
time-invariant- 時 : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
- 間 : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
- 恆 : Ⅰ形容詞1 (永久; 持久) permanent; lasting 2 (平常; 經常) usual; common; constant Ⅱ名詞1 (恆心...
- 定 : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
- 的 : 4次方是 The fourth power of 2 is direction
- 時間 : time; hour; 北京時間十九點整19 hours beijing time; 上課時間school hours; 時間與空間 time and spac...
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In trpsin tolerance assay. this virus could resist to 1 % trpsis at 37 in an hour. in acid tolerance assay, this virus was resistant to ph3. 0 and ph5. 0 at 37 in 2 hours, and the average infection litre of the virus decreased little. in heat assay, at 50, the virus was processed from 5 minutes to 150 minutes and at each condition the viral virulence reduced to some certain degree. among these conditions, when at 50 in 30 minutes. the average infection litre of this virus decreased over 2 tilre. and when al 50 in an hour, cpe of ihis virus disappeared. when time was set for an hour. but with processed in different temperature as 50 60 70, 80, the virus losl the multiplication capacity complelely. in biological assay, we selected different cell lines to cultivate this virus by laking advantage of possesional cells at that time in our laboratory. then we found that fcwf cell line was the most sensitive to dxmv and mdck was the second. with f81 cell line, after passaged for 12 times continuously with low concentration of fcs. the virus could produce cpe. however, with vero cell line. the virus could not procuce any cpe after many passages. the hemagglutination and lumadsorption reaction test proved that this virus had no any reaction to erythrocyte of pig, fowl and cavy. by neutrolizaion assay, dxmv could be identified as a kind of ccv
理化學研究表明,該病毒為rna病毒,對氯仿、乙醚敏感;胰酶試驗中,經37 、 1小時處理的病毒,仍然能夠在貓源細胞fcwf細胞上生長,並且毒力基本保持不變;耐酸性試驗中,病毒分別在ph5 . 0和ph3 . 0經37作用2小時,毒力僅下降一個滴度;耐熱性試驗中,該病毒在恆定溫度50 ,設定不同時間,從5分鐘到150分鐘,毒力均有不同程度下降,其中, 50作用30分鐘,病毒平均滴度下降2個單位; 50 , 60分鐘, cpe消失;恆定時間1小時,設定不同溫度( 50 - 60 - 70 - 80 ) ,病毒在細胞上完全喪失增殖能力, cpe消失。生物學試驗,利用實驗室現有條件,選擇不同的細胞系對該病毒進行培養,發現該病毒對貓源細胞fcwf最敏感; mdck細胞次之; f81細胞經多次傳代,亦可出現cpe ;而vero細胞則不敏感。血凝試驗表明,該病毒對豬、雞、人及豚鼠的紅細胞均無血凝性。Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping
本文的主要內容如下: 1 )對翅片管蒸發器結構特點進行分析,選取適當的微元控制體,就干、濕和霜工況下對每個微元分別進行傳熱傳質分析,基於經驗關系式確定霜的有關參數,對于霜工況下的霜生長建立模型,經適當假設,運用質量守恆、能量守恆和動量守恆方程建立適合動態模擬的蒸發器數學模型,為系統模擬奠定基礎; 2 )對蒸發在大擾動下的開、停機過程,運用動態集中參數模型進行分析和計算,為更好地描述製冷系統運行的全過程奠定基礎,同時也為製冷系統實現自動控制提供一定的理論基礎; 3 )對蒸發器正常運行過程,運用動態分佈參數和參數間定量耦合的觀點來分析和計算,為更好地了解穩態工況下各點參數的變化情況及各入口參數對蒸發器動態特性的影響即蒸發器性能對各參數變化的敏感性; 4 )編寫翅片管蒸發器動態特性模擬計算程序,可以計算不同邊界條件和初始條件下的製冷劑熱力參數、空氣溫濕度和霜厚度分佈場,實現對翅片管蒸發器在干、濕和霜工況下的動態模擬。Similarly, in the eternal life of a human being, of a being not entirely a human being, of a sentient being, there are many sections for that reason also. but, in reality, it is a long and endless chain. as we go through our present life, there is also past and future
同樣,永恆的生命,不一定指人而已,任何眾生也一樣,其生命由許多部分組成,它其實是無限延伸的線條,在我們過今生時也有過去和未來,因為根本沒有什麼時間空間,我們選擇時間和空間只是為了做人,然後可以做我們現在想做的事。In adding - acid system : the resistivities of different lithotypes " cp tend towards being constant and equal when weight percentage of aniline exceeds 50 % ; because of the structure difference of different lithotypes, the polymerizing places and processes are different ; the resistivities of vituain / pan and fusain / pan reach the lowest point respectively when ( ntloisiog / an is 0. 6, 1. 0 ; the resistivities of cp decline fast and tend towards being constant along with the reduction of diameter of coal. in not adding - acid system : the resistivities of different lithotypes ' cp decline evenly ; it is found on the crossed experiment of cp, that ( nflsaog / an mole proportion is the most important factor to influence output ratio of cp and the weight percentage of aniline is the most important factor to influence resistivities of cp. according to the result of the crossed experiment of cp
在有外加酸體系中:苯胺百分含量大於50時,不同煤巖組分的電阻率趨于恆定和一致;由於不同煤巖組分結構上的差異,導致苯胺聚合場所和聚合過程的不同;當過硫酸銨/苯胺摩爾比為0 . 6 , 1 . 0時,鏡煤-聚苯胺導電材料電阻率和絲炭-聚苯胺導電材料的電阻率分別達到最低值;在無外加酸體系中:不同煤巖組分/聚苯胺導電材料的電阻率隨著聚合時間的增加而均勻下降,並在8小時左右達到恆定;在對絲炭-聚苯胺導電材料進行的正交試驗中發現:過硫酸銨/苯胺摩爾比對產率的影響最大,苯胺重量百分比對產率影響最小,而對產物電阻率影響最大的是苯胺重量百分比。1. establish a regular bedtime and rising time and stick to them
定一個規律的作息時間,持之以恆。2. rat orthotopic liver trarlsplantation was performed in the strong rejecter combination of bn ( rtl " ) to lew ( rtl l ). this al1ogenic rejection model was stable and the survival time without immunosuppression agents was less than three weeks ( the average survival time was l 6. 6 i 2. 5 days, n = 5 )
建立了大鼠bn ( rt1 ~ n ) lew ( rt1 ~ l )原位肝移植同種異體排斥模型,該模博士學位論義基因轉移hu la個ig誘導大鼠移植肝免疫耐受的實驗研究中文摘要型排斥反應時間較為恆定,在不應用免疫抑制劑的情況下,生存期3周(平均生存時問人66士2Jupiter has a sidereal period ( its movement with respect to the " fixed " stars ) of 11 years, 314 days, and 839 minutes, so in nearly 12 years it is back into conjunction with those stars from which it began its orbit
木星有一個恆星周期(它的移動與「固定的」星星相關) ,是11年零314天839分,因此從它的軌道開始,差不多12年的時間,回到了與那些星星關聯的位置上。Soakage of concrete and penetration length at different water pressure and pressure maintaining time are tested, and the results show that soakage at a water pressure is not linear relation with time. water soaking rate of concrete is reducing with time, and soaking mainly happens within original one hour and increases slowly in subsequent 6 hours
通過對水壓法下混凝土的吸水量及滲透高度與恆壓時間及水壓力的關系的研究發現:混凝土在一定水壓力下的吸水量與時間並不是線性關系,而是隨著時間的變化,吸水量的增長率減小,吸水量主要取決於前1h ,而在6h后增長極為緩慢。According to the principle of mutual transformation between potential energy and kinetic energy, the vertically falling law of power law fluid by the action of unconstant static pressure and the relation between rheological parameter and time were studied, thus providing a theoretical basis for calculating the rheological parameters of fluid in funnel viscometer
根據位能與動能的變化關系,作者研究了在非恆定靜壓作用下冪律流體垂直下落的規律及流變參數與時間的關系,從而為計算漏斗粘度計中流體的流變參數提供了理論依據。While two ( or more ) electromagnetic waves of the same frequency, same direction of vibration, same phase or constant phase difference superpose in space, the amplitude of composite wave is vector sum of the amplitude of each wave
由兩個(或兩個以上)頻率、振動方向相同、相位相同或相位差恆定的電磁波在空間疊加時,合成波振幅為各個波的振幅的矢量和。And a intelligent battery management system with full functions has been designed, which improved the management of charge and the estimation of residual capacity. the paper changed the current value of constant current charge - state, which current seems not constant during the working time, based on the three mice laws about battery charge. this change would increase the speed of charge, without harm to the battery
同時本論文還設計了一套功能齊備的蓄電池智能管理系統,針對蓄電池管理中的充電管理和剩餘時間預測進行了改進,提出:在恆流充電時,根據麥斯三大定律,改變恆流充電時的恆流值,使恆流充電「不恆流」 ,而是根據放電的不同情況進行充電,充分提高充電速度,同時又不損傷電池活性物質;不再進行剩餘容量預測,而是進行剩餘時間預測,提供更加切實可行的信息,並且提出了一種簡單易行的剩餘時間預測的方法,給出了預測實驗的結果。In this dissertation, two particular cooperative behaviors of the molecular motors in muscle isotonic contraction are introduced : ( l ) no attached cross - bridges work at the same tempo, the working process is not affected by the environment ; ( 2 ) no attached cross - bridges work at the same tempo, and the working rate is proportional to the very velocity of thin filament in the contraction
運用能量守恆定律,本文探討了分子馬達間的兩種特定的協作行為: (一) n _ 0個分子馬達同步的工作,並且其工作過程與外部的環境無關。 (二) n _ 0個分子馬達同步的工作,但其工作的時間t _ ( on )與細纖絲的速度v成反比,即t _ ( on ) = a / v ,其中a是一個單位量綱因子。For many years, the drying furnace has been adopted with sealed structure and electrical heated, dial instruments are used to control the temperature of the drying furnace and to keep it invariable. parameter setting is inputted by manual method, heating time is completely controlled by operators ’ experiences or their moods, meanwhile, its control function is singular, not only having no automatic heating time and insulating monitoring, having no drying process monitoring, but also having no function of automatic recording and report printing, the workers ’ labor intensity is bigger. thus two abnormal situations are always come forth, one is the insulating performance and intensity of works cannot be guaranteed reliably, it perhaps need to be dried repeatedly, the other is always to extend the drying time in order to ensure the drying quality
多年來乾燥爐一直採用悶罐式結構和電加熱方式,溫度控制採用指針式溫度控制儀表來實現爐溫的恆定,其參數設定由人工輸入,時間控制則完全憑操作者的經驗、情緒來掌握,其控制功能單一,沒有時間控制、絕緣自動監測功能,也沒有乾燥過程監視功能,更沒有多要素記憶、列印存檔功能,工人的勞動強度較大,所以就經常出現兩種異常結果:一是工件的絕緣性能和強度得不到可靠保證,需要反復乾燥;另一種是為保證乾燥質量,往往要延長乾燥時間。( 3 ) in the condition of invariable instantaneous speed ratio, the equations of teeth surface of all key components, such as end face gear, oscillating teeth, wave producer, et al, are deduced
( 3 )在保證瞬時傳動比恆定的條件下,由空間嚙合原理出發,重點推導了活齒端面諧波齒輪傳動裝置的主要傳動部件? ?端面齒輪、活齒以及波發生器端面凸輪的齒面方程。Under the control of a current loop, the system can make advantage of the motor ' s ability of over - current with a maximum limit, as a result, the motor can implement constant - current staring under a maximum let - through current. therefore, the motor ' s rotational speed can rise at a maximum acceleration and reach the given speed within the shortest time
在電流環的控制下,系統在起動的時候能夠最大限度的發揮電機的過流能力,使電機以最大允許的起動電流恆流起動,則電機轉速可以以最大的加速度上升,並且以最快的時間達到給定轉速。11 can be a subsurface runoff parameterization with water storage and recharge based on the boussinesq - storage equation 625 written as 11 ee sineee sine. nnnnktaxbtnnuxktbtnsknnktbtaxnnuxktbtnsknnhxtwfnxhkbwfnxhkb letting t tend to infinity, one can get the steady aquifer function hs 13 : 1 sinee. uxaxnsksnnnfnhxxhkb multiplying through by the specific yield, f, and in - tegrating with respect to x between 0 and l gives the drainable storage associated with this steady - state free surface
下面考慮整個潛水面的一種穩定狀態,也就是是對于任意一個恆定的入滲,當時間時潛水面將達到穩定的狀態不再發生變化,這個時候顯然有, 0 , . sntnt t , ssqnl也就是入滲補充量等於地下徑流量Results : its kinetic curve had an analogy with zero - order kinetics, which indicated that ruyanqing could maintain a steady drug concentration and a longer effect time in plasma
結果:動力學曲線類似零級動力學,說明乳炎清塗膜劑具有維持恆定的血藥濃度或藥理效應、延長作用時間等優點。Ultimately, the function derived here is in - tended for use with the lumped continuity equation in which the only variable describing the internal state of the aquifer is the total storage ; so suppose the storage in the aquifer is known to be s, then 0100221 dsineed11ecos esin 1e. nlsullxsaxknnnalnsnnnnnnalnnulksfhxxfnfxdxhfxkbfnflkbaaluhfk by defining 0 lshhxdxl it is easy to see that is h h greater than or equal to by and fig
因為新的入滲所造成的潛水面的變化與原來穩定狀態下的潛水面有下面的差異1 , , sin , saxnnnnsnhxthxthxfsttxekbs ? ? ? ? ? ? ? ? ? 21而這里的穩定狀態顯然是根據潛水面的逐次穩定的理論把任何一個時候的潛水面都看作是某一恆定的入滲在時間趨于無窮大時得到的一種理想狀況Many of these systems contain mature stars and so must have arisen even earlier
這類星系中有許多具有成熟的恆星,因此形成的時間一定在更早之前。Abstract : the saturation behavior of stress current is studied. the three types of precursor sites for trap generation are also introduced by fitting method based on first order rate equation. a further investigation by statistics experiments shows that there are definite relationships among time constant of trap generation, the time - to - breakdown, and stress voltage. it also means that the time constant of trap generation can be used to predict oxide lifetime. this method is faster for tddb study compared with usual breakdown experiments
文摘:基於一階速率方程,討論了恆定電壓應力下應力電流的飽和行為.通過對應力電流的擬合,發現存在三類缺陷產生的前身.更進一步的統計實驗顯示,在缺陷產生時間常數、擊穿時間以及應力電壓之間存在著明確的關系.這意味著缺陷產生時間常數能夠被用於有效預測氧化層的壽命.與常規的氧化層擊穿實驗相比,基於缺陷產生時間常數的預測更快、更有效分享友人