預計到場時間 的英文怎麼說

中文拼音 [dàochǎngshíjiān]
預計到場時間 英文
eta = estimated time of arrival
  • : Ⅰ副詞(預先; 事先) in advance; beforehand Ⅱ動詞(參與) take part in
  • : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  • : 場Ⅰ名詞1 (平坦的空地 多用來翻曬糧食 碾軋穀物) a level open space; threshing ground 2 [方言] (...
  • : 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...
  • 預計 : estimate; calculate in advance; expect
  • 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. The wrf ( v1. 2 ) system is used to simulate the landing process of winnie in 1997, and results show that the track, landing time, and landing position of winnie calculated using the common land model ( clm ) and the initial field of 0800 bst on 18th august 1997 are closer to the reality ( fig. 4. 3 ) than those in the other 7 experiments, indicating the better forecast and simulation capability of the wrf model than the others

    應用wrfv1 . 2版系統對1997年登陸臺風winnie進行了數值報模擬研究,結果表明,用通用陸面模式( clm )對8月18日08初始算得的winnie移動路徑、登陸及地點(見圖4 . 3 )比其它七個試驗的算結果更接近實際情況。表明wrf模式有較強的報模擬能力。
  2. 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長度流道中的流動規律,得了喂料在流道中的速度、壓力和溫度,找了流道長徑比的合理取值范圍,並得出通過改變流道設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平均充填速度與充模關系的曲線,得了注射壓力對充填和型腔壓力的影響規律,確定了最佳的充模、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,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。
  3. Third, mensurated the front axle ' s load - time history when truck was running on general tar - paved roads, mountainous roads and the proving ground enhancement roads, second sampled and pretreated to the load - time history with rpc software of mts corporation, acquired the relationship of the frequence of the mean and amplitude load, obtained the zero mean equivalent loads using goodman experiential fatigue equation, acquired the weibull distributing functions of equivalent loads of respective roads

    第三,測定了汽車前橋在一般瀝青公路、山區公路和試驗強化試驗路面的載荷歷程。對載荷歷程進行了二次采樣和數據處理。採用雨流數法得了各路面的載荷均、幅值的頻次關系,並根據goodman經驗疲勞公式,得了零均值的等效載荷及相應的頻次。
  4. Through having done field surveys in the campus of chongqing university, this paper tested classroom indoor and outdoor climate parameters in june, july and september of 2005, it used questionnaire to acquire subjects ’ thermal sense, draft sense and humidity sense in classroom each month, and programmed composition to compute predicted mean vote and compared pmv with the field testing results of mean thermal sensation vote. it is discovered that pmv is overvalued the college student ’ thermal sensation in chongqing. it finds that people in chongqing adapt to the typical summer hot and winter cold sweltering weather

    對重慶地區高校教室的現調查,測試了重慶大學2005年六月、七月和九月教室室內外熱環境參數,通過採用問卷主要掌握了受測對象教室里的冷熱感、氣流感和潮濕感,通過編製程序求得測平均熱感覺評價pmv的值,比較pmv和問卷調查得的平均熱感覺mtsv ,發現pmv測值高估了重慶地區高校學生的熱感覺,這里的人群對重慶這種夏熱冬冷地區比較典型的悶熱氣候具有一定的熱適應性,對現問卷調查的結果進行分析,得出了室內空氣溫度、氣流速度、相對濕度與人體主觀感覺之的回歸曲線,發現重慶地區高校學生熱中性的空氣溫度為25 . 5 , fanger根據歐美人群調查得的公式算出的測熱感覺為中性的空氣溫度為25 . 0 ,兩者相差0 . 5 。
  5. 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算和生物質能量利用率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測定,得出生物質的長徑比( l d )一般在5 . 0 6 . 0之,平均為5 . 3的結果; ( 4 )採用復雜溫度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、錐壁強度設、生產能力設理論和功率算方法及臨界轉速理論等。
  6. Aiming at the concrete need in srttep construction and embodying the managing theory of the combination of the prearranging programming and comprehensive control, the article proposes the cpm - based schedule operating program of srttep on the basis of the relationship among schedule program, cost and quality which thus realizes the close combination of schedule program and project control ; based on the comparative analysis of experience estimation method, factor estimation method, wbs estimation method and comparison estimation method, the cost controlling strategy is worked out that attaches importance to the srttep cost budget and market economy situation. meanwhile, comprehensive quality management theory is introduced in the project " s schedule program. aiming at subsidiary project bidding, equipment purchase, essential quality inspection, detailed quality insurance system and rules are worked out so as to achieve the goal of high - quality construction of srttep

    ( 3 )針對川塔項目施工建設具體需要,在充分體現項目事前規劃與全面控制相結合管理思想和所進行的項目wbs結構分解基礎上,基於項目進度? ?費用成本? ?質量三者之的關系,提出了基於cpm關鍵路線法的川塔項目進度劃制定方案,實現了進度規劃與控制的緊密結合;在對比分析經驗估演算法、因素估演算法、 wbs估演算法、類比估算等方法和技術基礎上,制定了側重於算的川塔項目成本基本規劃方法,以及結合市經濟情況的成本控制策略;同將全面質量管理思想,引入了項目施工方案中,針對子項目招標、設備采購、重點質量監控點等設立了詳細的質量保障機制和細則,以確保達工程優質建設的目標。
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