檢測平均時間 的英文怎麼說

中文拼音 [jiǎnpíngjūnshíjiān]
檢測平均時間 英文
mean time to detect
  • : Ⅰ動詞1 (查) check up; inspect; examine 2 (約束; 檢點) restrain oneself; be careful in one s c...
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : 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...
  • 檢測 : check; detection; test; gauging; detecting; sensing; [工業] checkout; measuring
  • 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. Heamagglutination tests were applied to detect virus in allantoic fluid of chicken embryos which were infected by b95 gathered from the vaccinated chickens " cloacal and oral cavity. the results show that the virus may be detected from 2 days to 11 days after the chicken being vaccinated. the hi antibodies were measured by heamagglutination inhibition tests. there is no significant difference between the immunized and the control chickens which were fed in one case. chickens were immunized with b95 by different immunization meathods or with different vaccines by the same meathod. lt is demonstrated that eyedrop, drinking water, spray or muscle injection all can stimulate good effects, but eyedrop and spray seem to be the best meathods. b95 immunized chicken have relatively higher hi titers and it also can last for a longer time than others

    但如果兩者相隔10天以上免疫, b95免疫不受h120的影響;如果同免疫b95和h120 ,加大b95的免疫劑量也能獲得良好的免疫效果。用棉拭子采b95免疫雞口腔、泄殖腔的分泌液,其中病毒的存在,結果免疫后2 11天雞口腔和泄殖腔中有病毒的存在,說明b95免疫雞帶毒長。研究結果表明, b95具有不受母源抗體干擾、 hi抗體產生快、水高、持續長、同居擴散性強等特點,因此b95是一株優良的、具開發前景的新的新城疫疫苗株。
  2. On the basis of theory analysis, the average transmitted light intensity ( correspond to dc value ) was determined as characteristic parameter of raw water using photoelectric method for monitoring the fluctuation of transmitted light and photometric dispersion analyzer ( pda ). the dc value was closely related to both particle concentration and surface area of sand clay simultaneously. the experimental results shows that there is an exponential function relation between dc and surface area of sand clay in unit volume water ( sp ) : dc = asbp in which a and b are empirical coefficients. then the formula of macromolecule flocculant dosage is found to be d = f ( dc ) = e ( dc ) f in which e and / are empirical coefficients and the average correlation coefficient equal to 0. 981. so the model of automatical control system of water treatment plant was established using the formula

    應用透光率脈動技術和光散射顆粒粒度分析儀( pda ) ,通過理論分析,將pda的輸出信號之一? ?透光強度(對應于dc值)作為原水的特性表徵參數, dc值可以同反映顆粒濃度和比表面積因素的影響,試驗結果證明, dc值與單位體積水中泥沙顆粒總表面積s _ p之具有很好的冪函數關系: dc = cs _ p ~ d ,式中c 、 d為經驗系數,進而得到了以dc值為參數的高分子絮凝劑投藥量公式: d = f ( dc ) = e ( dc ) ~ f ,式中: e 、 f為經驗系數,相關系數達0 . 981 ,利用所建立的公式,建立了前饋? ?后饋聯合控制的在線自動投藥模型。
  3. When analyzing the principle and performance of the lsdll, circular flowgraph is used. the expression for " penalty " time and mean and variance of the acquisition time is derived from the circular flowgraph of large step acquisition method

    在理論方面,本文利用圓形狀態圖對大步進快速捕獲法的工作原理進行研究和分析,導出由相關處理、大步進、虛警概率、概率和虛警「代價」表示的捕獲值及其方差的表達式。
  4. We choose the forest appearance tidiness, representative stands serving as standard plots, 40 stands were set up at qinling, hanzhong, huanghong in shaanxi respectively, measure every tree in the stands, measure the actual increase by the dominance tree, the time series model of individual age and diameter of quercus variabilis was established according to the actual diameter of quercus variabilis population by the fluctuant time series, the comparison of simulation and reality value of the every stand of quercus variabilis population diameter increase through the four models, the average simulation difference within 1. 5 %, the accuracy is 97. 8 % the simulation effect is better

    在陜西的秦嶺、漢中、黃龍地區選擇林相整齊、有代表性的地段作為標準地,設置樣方40個,對各樣方內的林木進行每木尺,通過優勢木解析的方法,得栓皮櫟種群胸徑的實際生長量,運用起伏型序列分析,建立了栓皮櫟種群個體年齡與胸徑生長的序列模型,四個模型所得的各個樣地栓皮櫟胸徑生長的模擬值與實際值進行比較,其模擬誤差都在1 . 5 %以內,精度達到97 . 8 % ,模擬效果較好。
  5. The key to the settlement of the question of effective detection of ground and low air targets lies in adaptive of effective clutter suppression in airborne radar

    因此,有效地抑制這種穩和空的雜波干擾是雷達系統有效完成地面目標和低空飛行目標必須解決的首要問題。
  6. Secondly, the identification algorithms of road traffic status are studied including methods of determining floating car sample sizes which are based on “ the relationship between floating car sample sizes and accuracy of traffic information detection ” and “ the relationship between floating car sample sizes and requirement of road network information detection ”. the road traffic identification algorithm grounded on the journey - time is analyzed. besides, road traffic identification algorithm based on average speed is put forward and the validity of these two methods is analyzed in the thesis

    主要工作包括:從「浮動車數量與交通流信息準確性關系」 、 「浮動車樣本數量與路網全方位信息需求關系」兩方面對浮動車數量確定方法進行研究,給出了演算法模型;同,分析了基於行程的道路交通判別演算法,提出了基於指數滑法的速度道路交通判別演算法,並對兩種演算法的有效性進行分析比較。
  7. In view of the altitude problems of inspecting the weighted average ways of obtaining altitude and the advantages and disadvantages of moving surface interpolation method are talked about through comparison, with which the writer draws a conclusion that moving surface interpolation method is suitable to be applied for the dynamic state inspection places, moreover the key technology about the dynamic slate inspection is also taken into consideration, which includes digital camera and types of camera lens, the cause of camera lens distortion and the fundamental determining principle, the gain of image coordinate and the realization of time synchronization

    針對定點高程問題,分析比較了獲取高程的加權法和移動曲而內插法的優缺點,得出移動曲面內插法適合用於動態定場的結論。特別是針對動態定的關鍵技術給予了相關研究,內容涉及:數碼相機及相機鏡頭的選型,相機畸變差產生原因及定的基本原理,像片坐標獲取以及同步實現,得出結論:利用gpsoem板的秒脈沖( 1pps )輸出特性,能夠實現兩臺數碼相機與gps接收機同步,滿足動態定指標要求。
  8. 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、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經驗公式,並通過r _ ( 0 . 05 )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長徑比進行了實驗觀察和定,得出生物質的長徑比( 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與最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最小錐角設計、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。
  9. It also investigates the technique of ddmf and compares it with other acquisition method. this technique is generally adopted to reduce to the number of multiplication and summation, and the algorithm is better to save unnecessary resource waste

    並應用matlab模擬軟體和quartusii軟體,對不同快速捕獲演算法在不同信噪比下的概率、虛警概率、捕獲、所佔用硬體資源等性能指標進行了比較和研究。
  10. Based on the basic principle of wavelet analysis, multi - resolution analysis of signal in atomic clock is made. the coefficients of wavelet transform for synthesis atomic time, which are weighed and averaged at different wavelet scales, are obtained. then according to reconstruction theorem, multi - resolution synthesis time scale can be reconstructed. since the signal of atomic clock has been analysed by multi - resolution, we can use wavelet variance at different scales to weight and average the coefficients. thus either the difference in stability of different clock or the varying characteristic of the same clock at the different scale are all considered. finaly, this method is checked by the measured data from national timing serve center of shaanxi astronomy observatory. it confirmed that this technique, which is simple and practicable, is a new method of multi - resolution. from this method, the common characteristic of different clocks can be extracted. the stability of multi - resolution synthesis atomic time scale is obviously superior to that of other methods

    本文根據小波分析的基本原理,對原子鐘信號進行多解析度分解,將分解后的小波變換系數進行加權,得到不同小波尺度綜合原子的加權小波變換系數,然後由小波變換的重構條件,反演綜合尺度.由於對原子鐘信號進行了小波分解,利用不同尺度的小波變換系數的小波方差進行加權,這樣既考慮不同原子鐘在穩定性方面的差異,又顧及同一臺原子鐘在不同小波尺度的變化特性.最後根據陜西天文臺國家授中心的實數據對這種方法進行了驗.表明這是一種全新的多解析度綜合方法,這種方法比較簡單而切實可行,它能提取各個原子鐘的共同特性,多解析度綜合尺度的穩性明顯優于其他方法
  11. When the data of logistics in current process are used for input of simulating logistics in future 100 % continuous casting process, supply of hot metal from iron - making process may not satisfy the needs of 100 % continuous casting on raw materials. because planning scheme in continuous casting process depends greatly on smelting scheme in convertor vessel, it is important for operator to balance raw materials supply, smelting and casting in order to realize the scheme of 100 % continuous casting. when some equipment are work abnormally, mixer of hot metal and lf furnace can be used for logistics buffer

    用攀鋼煉鋼生產數據對模擬軟體系統進行的試和模擬研究結果表明:模擬系統的隨機數發生演算法可以實現對作業的依分佈隨機抽取;在相似的輸入條件下,模擬結果與實際生產物流的分佈規律基本吻合,達到了模擬軟體設計的預期目標;若以攀鋼提釩煉鋼廠現工藝的鐵水輸入作為全連鑄后的輸入條件,則現工藝的物料供應能力可能難以滿足全連鑄生產的要求;連鑄機的連澆計劃對轉爐爐次計劃的編制有很高的要求,合理安排來料、煉鋼與澆鑄三者的物流衡關系將是保證全連鑄作業的重要條件;當出現設備異常情況,可以利用混鐵爐與lf爐站前等待作為物流緩沖池,通過延長系統的物流來緩解因設備修和故障等擾動所造成的影響,確保生產的順利進行。
  12. Now the common means of testing the performance of engines in real time is noload dynamometer test, which computes the engine power by measuring the average accelerate time

    目前國內外常用的發動機動力性能實系統是採用無負荷功法,即通過加速后加速的方式來計算發動機的功率值。
  13. In this paper, a image processing method has been presented, with this method mean temperature of testing object can be arrived at from infrared picture and the interior temperature gradient of the test pieces in the situation of transient heat transfer can be got. unsteady - state heat transfer mechanism of wall has also been studied in this paper. on the basis of theoretical analysis and experimental study we can get such conclusions : infrared testing of energy conservation of buildings is rapider and more accurate than heat - flow meter method which is popular at present ; heat transfer mechanism in the situation of unsteady - state heat transfer has been analyzed through experiment ; the interior layers ’ temperature of the test pieces ascent in company with

    本文在理論分析和試驗研究的基礎上得出以下結論:本文研究的紅外建築節能的方法比目前存在的熱流計法更快速、更準確;用試驗分析了墻體在非穩態傳熱情況下的傳熱機理;試件各層溫度隨著受熱面環境溫度的上升而上升,只是上升的程度不同,響應不同,這是由於試件內部有一個蓄熱過程;通過傳熱理論和建築熱工計算推導出了非穩態傳熱情況下的傳熱系數的計算公式;本文用matlab進行紅外圖片的處理,進而得到被物的溫度;用數據處理軟體擬合溫度熱流。
  14. The air pollutants measured included nitrogen dioxide, sulphur dioxide, carbon dioxide and carbon monoxide, and hong kong s one - hour air quality objectives were adopted as the standards for the tests in order to safeguard passengers health. to protect the health of the employees, the occupational exposure limit - time weighted average ( oel - twa ) and the occupational exposure limit - short - term exposure limit ( oel - stel ) were adopted as the standards for the tests

    的空氣污染物包括二氧化氮、二氧化硫、二氧化碳和一氧化碳,並且以一小香港空氣質素指標為標準,保障乘客的健康;以及以勞工處的職業?生標準之加權值( oel - twa )和短暫暴露限值( oel - stel )為標準,以確保員工的健康。
  15. Subsequently we make use of the isomorphism property between the behavior of petri nets with exponentially distributed transition rates and markov process to acquire markov chain, and compute the subsystem ' s mean time to delay and transfer probability of subsequencial state, which present the theoretical evidence for intrusion detection system ' s design

    隨后利用隨機petrinet和連續的馬爾可夫鏈同構的性質,應用所獲得的同構馬爾可夫鏈對求得穩定狀態概率的子系統的和后繼狀態轉移概率進行了詳細的計算,從而為入侵系統的設計提供理論根據。
  16. With the introduction of this new approach, the average hospital stay per patient was shortened from 7. 0 days to 5. 3 days

    引入這種方法后,每名病人的住院亦由7 . 0天縮短至5
  17. However g. 729 ' s computation complexity is a little higher for application. taking the advantage of discontinuous transmission, we embed a new algorithm of voice active detection ( vad ) into the original algorithm of g. 729 to improve its efficiency. this algorithm can also reduce the average computation complexity of g. 729

    本研究針對g . 729的特點,提出了一種新的語音激活演算法,利用該演算法對g . 729的不足之處進行改進,提高g . 729的演算法效率,降低其運算,並將該演算法用vhdl描述,兌現成硬體。
  18. Aids health project counselors tell their hiv test clients that " seroconversion is detectable in 90 % of people within three months of exposure ; the average time is 25 days.

    Aids健康顧問告訴者: 90的人會在3個月內到血清轉陽,是25天。
  19. In the aspect of detection and high precision estimation of seafloor backscattering, algorithms of fast convergence of energy center and correlation of eigen - replica were developed. also studded were processing methods of weighted mean time ( wmt ) and bearing direction indicator ( bdi ) based on fft beam forming as well as high precision detection and estimation of time of arrival ( toa ) and direction of arrival ( doa ) using split beams phase difference detection technique

    圍繞海底反向散射信號的高精度和估計技術,開發了快速能量中心收斂演算法和特徵模型相關演算法,研究了基於fft波束形成的加權與方位指示處理方法,並討論了利用分離波束相位差技術的海底反向散射信號到達( toa )和到達方向( doa )的高精度與估計方法。
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