最長平均時間 的英文怎麼說

中文拼音 [zuìzhǎngpíngjūnshíjiān]
最長平均時間 英文
maximum averaging time
  • : 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
  • : 長Ⅰ形容詞1 (年紀較大) older; elder; senior 2 (排行最大) eldest; oldest Ⅱ名詞(領導人) chief;...
  • : Ⅰ形容詞1 (沒有高低凹凸 不頃斜) flat; level; even; smooth 2 (高度相同; 不相上下) on the same l...
  • : Ⅰ形容詞(均勻) equal; even Ⅱ副詞(都; 全) without exception; all
  • : 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...
  • 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...
  1. 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小處理的病毒,仍然能夠在貓源細胞fcwf細胞上生,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,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,從5分鐘到150分鐘,毒力有不同程度下降,其中, 50作用30分鐘,病毒滴度下降2個單位; 50 , 60分鐘, cpe消失;恆定1小,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、人及豚鼠的紅細胞無血凝性。
  2. It measures function and task execution times, providing minimum, maximum and average execution times for each function or task, as well as the cumulative time spent in the function or task

    測量函數和任務的執行,提供每個函數或任務的短、,以及函數或任務所花費的累積
  3. By investigation on the relationship between period, quantity, extend of ostrinia furnacalis emergence and meteorological factors in qiqihaer, this paper analyzes the factors which effect on period, quantity, extend of ostrinia furnacalis about annual wave. the beginning time of ostrinia furnacalis pupae emergence depends on average temperature in may and june, weather conditions in july decide whether ostrinia furnacalis pupae finish ahead of time ; the beginning time of eclosion is decided by average lowest temperature and precipitation in may and june, and the end time of eclosion is decided by average lowest temperature in june and july, meantime, the length of time of ostrinia furnacalis eclosion and time of grub emergence influence on the extent of ostrinia furnacalis. an important condition of a great emergence of ostrinia furnacalis is that how temperature matchs humidity, which substantially result in reduction of maize output

    本研究項目通過對齊齊哈爾市玉米螟發生期、發生量、發生程度與氣象條件關系的分析,找出玉米螟發生期、發生量、發生程度年際波動的影響因子: 5 、 6月的氣溫決定了玉米螟化蛹開始的早晚, 7月的天氣條件決定玉米螟化蛹是否提前結束; 5 、 6月的低氣溫和降水則決定羽化開始的早晚, 6 、 7月的低氣溫又決定了玉米螟羽化結束的早晚;而玉米螟羽化持續短和幼蟲發生的早晚影響了玉米螟的發生程度;溫濕條件配合適當與否是促使玉米螟大發生的重要條件,玉米螟大發生又會引起玉米的大幅度減產。
  4. Baby memory foam pad is especially designed for infant use. it bring baby 0 body ' s pressure, offset anti - momentum, provide even and powful support, keep baby ' s touching part long time 0 pressure state. it does not blog blood circulation and not easily get tired and painful. it can help to change the baby ' s pilch by moving the slide without carrying the baby up in arms. it can provide baby most comfortable feeling

    慢回彈海綿床墊能有效把人體壓力化解為零壓,抵消反動力,為您提供、真實的支撐,使身體接觸的部位處于無壓力狀態,不阻礙血液循環及不易產生疲勞和酸痛,因而減少睡眠不必要的翻身次數。
  5. This paper develops a deterministic inventory model for perishable items with a mixture of back orders and lost sales under inflation and time discounting, where the backlogged demand rate is dependent on the negative inventory level during the stock out period. the main differences from the existing related models are that the present model takes the maximum present value of profit in a repeatable order cycle as the objective function and proposes a more practical constraint of maximum customer - waiting time to ensure a proper customer service level. then the existence and the uniqueness of the solution to relevant systems are examined and a solution algorithm is shown to find the optimal replenishment policy. at last, some numerical examples are presented to illustrate the applicatioh of the model

    本文建立了一種考慮通貨膨脹與價值的變質性物品的庫存模型,在模型中允許短缺發生且拖后的需求速率與在缺貨期已經發生的缺貨量有關.和已有相關模型的主要區別在於本模型把一個可重復的訂貨周期內的利潤的凈現值作為目標函數,且增加了在缺貨期顧客等待的限制,以確保庫存系統擁有較高的服務水.然後討論了模型優解的存在性與唯一性,並提供了尋求模型整體優解的演算法.後用實例說明了此模型在實際中的應用
  6. Spatial distribution and time scales of atmospheric diffusion over beijing area are revealed by means of a random walk simulation model and practical meteorological data with a specified emission source from the city. results show a southward transport pattern for wintertime while a northwest transport of pollutants in summer. the area is the least evidently influenced by the emission source in spring, while the largest in autumn. the time spent for instantly emitted material removing from the model domain varies from winter - spring to summer - autumn. the former was shorter one of less than 20 hours ; the latter was longer one of approximately 30 hours. distribution of occurrence probability for different removal times was not symmetry. reducing slowly at the end of longer removal time, probability exists for pollutants remaining in this area a long time

    結果表明,冬季示蹤物偏南夏季偏西北的輸送明顯春季擴散影響范圍小秋季大。示蹤物從200km200km模式區域輸出的去除明顯分為冬春季和夏秋季兩組,前者較小,在20h以下,後者較大,約30h 。不同去除出現的頻率分佈是非對稱的,在去除一側,出現頻率下降緩慢,顯示污染物有在該區域內滯留的可能。
  7. This incubation adjustment of parents makes the synchrony in hatching and the hatching intervals of nestlings shorter than the laying intervals of eggs. this phenomenon was perhaps resulted from the incubating behavior difference of parents in laying time and incubating time. the research also found that the growth rate and survival rate in the latest hatched nestlings in little egret were lower than the earlier hatched ones

    卵的孵化與產卵順序呈負相關性,先產的卵比后產的卵所需孵化相對較,此現象產生是由於親鳥在產卵期和產卵后的孵化行為不一致造成的,這種孵化調節使同一窩雛鳥孵出具有相對集中的趨勢,雛鳥出殼的隔比產卵的隔短;另一方面,在白鷺雛鳥的生過程中,晚出殼的雛鳥生和成活率明顯落後于早出殼的雛鳥,而池鷺由於窩卵數和窩雛數為5的數量相對較少,雛鳥生衡。
  8. Find the law of the influence from the injection pressure to the filling time and the cavity pressure and make certain of the best filling time, injection time and injection pressure. though the analysis of the flowing velocity and pressure spread of the key position element in the injection parts in different gate position, we forecast the injection parts quality and the possibility injection flaw and its position, optimize the gate position. in this paper, though the research of analogue of the runner system of metal - powder injection molding and the process of injection molding, we get the law of how the injection parameter influence the injection process

    在相同的注射條件下,通過分析喂料在不同直徑和度流道中的流動規律,得到了喂料在流道中的速度場、壓力場和溫度場,找到了流道徑比的合理取值范圍,並得出通過改變流道設計可實現對現有設備資源充分利用的結論;給出了不同注射壓力下,型腔壓力與充模關系曲線和喂料熔體充填速度與充模關系的曲線,得到了注射壓力對充填和型腔壓力的影響規律,確定了佳的充模、注射和注射壓力;通過分析採用不同位置澆口注射注射件關鍵位置單元的流動速度和壓力分佈,預測了注射件的成形質量,或可能產生的注射缺陷及位置,優化了澆口設置。
  9. The latter pay special attention to the software implementation environments, including the technical details such as programming interface, data structures and 32 - bits visual c + + inline assembler. a sorftware packet is designed and implemented at last, which can perform the modular multiplication with equal 2048 - bits long of modulu and operands within approximately 5. 239ms and the modular exponentiation with equal 2048 - bits long of modulu, exponent and base within approximately 4290. 559ms

    經測試,在intelceleron400mhz , ram64mb的pc機上,進行一次乘數與被乘數的大位數為2048位的模乘運算所需約為5 . 239ms ,在進行一次底數和指數的大位數為2048位的模指數運算所需的約為4290 . 559ms 。
  10. The average and longest waiting time in - patients and outpatients have to wait for scanning service respectively in the past year

    在過去一年,公立醫院住院及門診病人輪候接受掃描分別為何
  11. But a switch has not occurred for 780, 000 years ? considerably longer than the average time between reversals, about 250, 000 years

    不過,在近的78萬年內都未曾發生過倒轉這比之前發生倒轉的25萬年要了許多。
  12. This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory

    本文較全面、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題,主要研究內容有: ( 1 )實驗、測定了20種常見生物質的能量(發熱量)和c 、 h 、 n元素含量,根據實驗結果分別建立了以h和c為自變量的生物質能量預測經驗公式,並通過r _ ( 0 . 05 )檢驗;為閃速熱解液化裝置能量轉化率計算和生物質能量利用率計算提供了依據和方便; ( 2 )選擇了8種生物質試樣作了等加熱速率( 10 min 、 20 min 、 40 min 、 60 min )和恆溫加熱的tg和dtg實驗,根據實驗數據和阿倫尼烏斯公式建立了生物質熱解反應動力學微分方程,並採用goast - redfem積分法和p函數對其動力學參數進行了求解,解析出各種生物質的頻率因子和活化能參數,進而建立了各種生物質的熱解動力學模型,為科學確定反應器的閃速熱解工作溫度范圍及熱解反應動力學描述,提供了理論和依據; ( 3 )為研究和確定不同尺度的生物質顆粒中心達到全熱解的,在體視顯微鏡下對不同粒度的生物質顆粒的徑比進行了實驗觀察和測定,得出生物質的徑比( l d )一般在5 . 0 6 . 0之為5 . 3的結果; ( 4 )採用復雜溫度場傳熱學理論對生物質傳熱過程及充分熱解理論進行了研究,解析推導出了不同尺寸生物質顆粒中心溫度達到充分熱解溫度的( t ) ,得出了理論推導的充分熱解大產油率的熱解相一致的結果,為閃速熱解反應器固相滯留設計和預測提供了理論依據; ( 5 )根據上述實驗結果,綜合運用工程力學、工程材料、機械設計學原理,推導、建立了轉錐式閃速熱解反應器物料滯留( )與轉速(或頻率)合理匹配理論; ( 6 )提出了轉錐式閃速熱解反應器的小錐角設計、錐壁強度設計、生產能力設計理論和功率計算方法及臨界轉速理論等。
  13. The conformal microstrip antenna with some unique character has been applied in many fields, especialy on speedy objects. in this paper, an efficient fdtd algorithm is introduced to analyse the microstrip antenna. firstly, the fdtd formula in descartes coordinate system and in cylindrical coordinate system are obtained from the time _ dependent maxwell equations using the yee algorithm in a calculating region where the dielectric parameters are independent of time and space. the choice of the space discretization units and the time discretization interval are discussed which are decided by the accuracy and stability respectively. the shape and setup of the excitation source are discussed too. the excitation source is chosen to be gaussian pulse in shape. secondly, the mur ' s first - order and second - order boundary condition are deduced in cylindrical coordinate system. the methods of transforming radiation fields from near zone to far zone in the frequency domain and in the time domain are presented when fdtd is applied to analyse the characteristics of far zone. finally, three kinds of microstrip antennas are analysed. they are a slot antenna that lies on a plane ground of a microstrip, a slot antenna that lies on a cylindrical ground of a microstrip and a microstrip line _ fed aperture coupled stacked rectangular patch antenna in cylindrical coordinate system

    本文從麥克斯韋旋度方程出發,建立了笛卡兒坐標下無源空勻無耗媒質的fdtd基本方程和圓柱坐標下無源空勻無耗媒質的fdtd基本方程,詳細討論了fdtd法計算中和空的選取原則以及激勵源的類型和設置;推導了mur一階和二階邊界條件在圓柱坐標下的差分格式;給出了在用fdtd法計算天線的遠場輻射特性必需採用的頻域和域近場遠場變換技術;後用fdtd法計算了面微帶縫隙天線、柱面共形微帶縫隙天線和柱面共形微帶層疊天線的輸入阻抗和遠區輻射場,並分析了天線的一些參數的變化對天線輸入阻抗的影響,得出了一些有用的結論。
  14. Based on the minimize trip time of passenger, optimal average distance between stations of monorail no. 2 in chongqing is 1. 016km, and is 1. 018 by the three stages method, and total length of line is 11. 2km. based on the maximum of coverage of station, twelve stations are located from linjiangmen to zoo, and the twelve stations are linjiangmen, jiaochangkou, qixingang, pipa mountain park, lianglukou, eling park, xiaojiawan, daping, yuanjiagang, xiejiawan, yangjiaping, zoo

    基於乘客出行少的輕軌2號線(起點為臨江門,終點為動物園)站距應為1 . 016km ,運用三階段規劃法驗證輕軌2號線的站距應為1 . 018km ,全線度為11 . 2km 。基於站點人口覆蓋量大,沿線布設的12個站點應為:臨江門、較場口、七星崗、枇杷山公園、兩路口、鵝嶺公園、肖家灣、大坪、袁家崗、謝家灣、楊家坪、動物園。
  15. After annealing at 600, because of formation of multi - vacancy - type defects that have long positron lifetime, positron annihilation average lifetime increased. when the average positron lifetime increased to maximum value ( 360ps ), the interstitial oxygen concentration decreased to minimum value ( 4 1017atoms / cm3 ). this result suggested that oxygen was involved in the formation of multi - vacancy - type defects

    正電子湮沒技術測試證明,快中子輻照直拉硅中在大約600退火產生的多空位缺陷具有較正電子壽命,可以使正電子壽命增加,當樣品的正電子壽命達到( 360ps ) ,其隙氧含量降到一個極小值( 4 10 ~ ( 17 ) atoms / cm ~ 3 ) ,這說明氧參與了這些缺陷的形成。
  16. In this paper, firstly, monolithic materials cosb3 and bi2te3 were prepared by sparkle plasma sintering ( sps ) respectively, and at the same time the microstructure of cosb3 and bi2te3 were studied by sem ; the seebeck coefficients and electrical conductivities of monolithic materials were measured by standard - four - probe method ( ulvac zem - 700 ) in a he atmosphere simultaneously, and their thermal conductivities were investigated by laser flash method ( tc - 7000 ) in vacuum. secondly, the junction temperature of graded bi2te3 / cosb3 thermoelectric materials was optimized based on the thermoelectric transport properties of monolithic materials, also when graded materials were used in the temperature difference ranging from 300k to 800k, the length ratio of monolithic materials cosb3 and bi2te3 were optimized in theory. thirdly, graded bi2te3 / cosb3 thermoelectric materials were prepared by two - step sps sintering, and the relationship between its average seebeck coefficients and temperature were calculated by theory mo del

    質材料cosb _ 3和bi _ 2te _ 3的電導率和seebeck系數採用標準四端子法于he氣氛下在zem - 1上同進行測量;熱導率採用激光微擾法( tc - 7000 )于真空狀態下進行測量;其次,在對質材料cosb _ 3和bi _ 2te _ 3熱電傳輸特性研究的基礎上,對結構梯度bi _ 2te _ 3 cosb _ 3熱電材料的界面溫度進行了優化;為了使結構梯度bi _ 2te _ 3 cosb _ 3熱電材料在300k至800k的溫度范圍內具有佳的熱電性能,本研究同對梯度結構熱電材料當中質材料cosb _ 3和bi _ 2te _ 3材料的度進行了優化設計;第三,通過兩步放電等離子燒結的方法制備出了結構梯度bi _ 2te _ 3 cosb _ 3熱電材料;採用理論計算的方法研究了梯度結構熱電材料seebeck系數和溫度的關系;同為了驗證設計的結果,本論文對結構梯度bi _ 2te _ 3 cosb _ 3熱電材料的開路輸出電壓和熱端溫度之的關系及梯度材料在300k至800k的溫度范圍內使用的功率輸出進行了相應的研究。
  17. The third chapter of the thesis makes a study of the equation of interest rate - amount, of circulating fund on limited occasions of sudden events, proves that the network average interest rates of different time periods are also different and change with the impulsive conditions, and makes clear the relationship between the network average interest rates of two neighboring time periods. as far as every node in the network is concerned, its instant interest rate will tend to, in the end, at the sum of the basic interest rate of every node and the growth rate of the network

    本文第三章研究了出現有限次突發事件的利率?流通量方程,證明了不同段的網路利率也不相同,並且,隨脈沖條件的變化而變化,同給出了相鄰兩個段網路利率之的關系,就網路中每個結點而言,其即利率終穩定於結點基本利率與網路增率之和。
  18. Because of this, we should put more attention on the treatment - time, if we want to use the half of the lethal salt concentration to judge the capacity of plant fastness to salt. as the salt content increased, the sodium and chloride content of plant increased also. after 36 - day treatment, the plants grew under 50 ~ 100 mmol. l - 1 salt levels had the most amount of salt ions

    Nacl環境下,植株體內鹽分離子na ~ + 、 cl ~ -含量隨著鹽分水的升高而升高;但隨著處理的延,根部na ~ + 、 cl ~ -含量表現為不斷地顯著增,而地上部則表現為先增後下降的趨勢;經過36天的鹽分處理,地上部鹽分離子的大無差異單株積累量分佈在50 100mmol ? l ~ ( - 1 )左右的鹽分環境下。
  19. According to a new research by the european interactive advertising bureau, the average european internet user spends 10 hours and 15 minutes online a week ; a 17 per cent rise on 2004 and a 56 per cent rise on 2003

    根據歐洲交互廣告局的一項新調查,歐洲網際網路用戶的在線每周10小15分鐘,比2004年增17 % ,比2003年增56 % 。
  20. 2 within three thresholds for bilirubin absorbance ( 0. 14 > 0. 2 ( k 0. 25 ), the total, upright, supine, meal and postprandial period were analyzed with the parameters as follows, the percentage time of bilirubin absorbance threshold ( 0. 14, 0. 20 0. 25 ), reflux frequency, long reflux frequency, longest reflux time, maximum, mean and median value of absorbance. 3 the simultaneous changes of gastric ph and bilirubin absorbance value were analyzed to describe the relationship between them

    2計算0 . 14 、 0 . 20和0 . 25三個界值膽紅素吸收值( bilirubinabsorbance , ba )界值的百分比的值、標準差、中位數、第25 、 75 、 95位數;總、立位、臥位、餐和餐后等各段ba界值的百分比、反流頻率、反流頻率、反流以及膽紅素吸收值的大值、值和中位值,以及ph 4的百分比,從而描述生理性dgr的發生特點。
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