降水周期 的英文怎麼說
中文拼音 [jiàngshuǐzhōuqī]
降水周期
英文
cycle in precipitation-
The cline is considered the probable result of geographic trends in precipitation, temperature, and perhaps also photoperiod.
人們認為這種梯度變異可能是降水量，溫度也許還有光周期等地理趨勢造成的結果。Also to get some new conclusion of glacial lakes burst floods, in possibility study of glacial lake burst, and in qualitified study of the safety of the glacial lakes. the first character of this paper introduce the background of this paper, set the goal, content and methodlogy of the study work in this paper. the second chapter of this paper focuses on the meterological character, runoff composition character, why not correspondency of ratio of rainfall and runoff in same period to annual value for nianchu river, lasha river, niyang river and the middle reach of yalu - zangbu river
本文第一章介紹了課題的研究背景，提出了研究目標、內容和方法；第二章重點分析了年楚河、拉薩河、尼洋河和雅魯藏布江幹流中游段的氣候特徵，徑流組成特性，同期降水、徑流占年總量比例的不對應特性和原因，徑流年內年際變化規律及徑流深分佈特性，分析了天然洪水的特點和洪水參數；第三章介紹了冰川終磧湖的特點，結合已經發生潰決的冰川終磧湖的有關調查資料和考察資料，分析提出了危險冰湖判別指標和發生潰決的氣候條件、周期性特徵，提出了冰湖潰決洪水的計算途徑。When catchment area, average channel gradient and catchment shape factor of designed culvert or bridge are known, a user can be convenient to get local parameters c, e and b from standard contour charts and easy to calculate flood flow just by a calculator. design period of flood flow is enormously shortened as well as a high precision. estimated flood flow through culvert or small bridge by new calculation model is generally less than by traditional methods, so that much cost is cut down a s reducing the span of culvert or small bridge
以75000km ~ 2的川中丘陵地區為試點研究區，繪制了該地區新模型的參數等值線圖，率定了不同設計頻率的改正系數，使設計者只需在地形圖上獲取集水面積，河道平均坡降和流域形狀系數，在參數等值線圖上查得橋涵所在地的相應參數，使用計算器即可迅速計算出設計流量，大大縮短了設計周期，且精度較高，設計的洪水流量一般低於傳統方法，從而可減小橋涵跨徑，節省投資。Abstract : adopting the serum - free and animal - source - free medium domestication express cell efficiently, setting up to express system efficiently, suspending culture cell, can raise the cell density in the scale turn the production, strengthen the cell vitality, control cell to propagate level, extension cell culture period, increase the target protein of yield, raise product quality, simplification of produces technics, reduce production cost, then raising the efficiency that the scale turns culture
提要：採用無血清無動物組分培養基馴化高效表達細胞，構建高效表達系統，懸浮培養細胞，可以在規模化生產中，提高細胞密度，增強細胞活力，控制細胞增殖水平，延長細胞培養周期，增加目標蛋白的產量，提高產品質量，簡化生產工藝，降低生產成本，進而提高規模化培養的效能。According to the regulation of degressive effusion flux of uf during the period time of alga - blooming, this paper also favors the optimum function parameter of uf. when the water temperature is 30, the optimum tmp is 0. 07mpa, the optimum hydraulic re - wash period is 40min, the optimum chemical wash period is 330min ; when the water temperature is 20, the optimum tmp is 0. 07mpa, the optimum hydraulic re - wash period is 60min, the optimum chemical wash period is 960min
並且根據高藻期超濾處理沉澱池出水通量下降的規律，提出了超濾運行的最佳工藝參數，即水溫30時初始透膜壓力，水力反沖洗周期，化學清洗周期分別取0 . 07mpa ， 40min ， 330min ;水溫20時以上數值分別為0 . 07mpa ， 60min ， 960min 。Significance of pdm application in shipbuilding industry is : improving product ( project ) quality, shortening the project execution schedule, lowering project cost, and promoting innovation of the enterprise systems, technologies and administration
船舶行業實施pdm系統將產生以下積極的意義：提高產品項目質量，縮短項目執行周期，降低項目成本，提高企業的管理水平，增強企業的競爭能力和創新能力。The precipitation and temperature both existed 5year periodic variation in the pre - flood period in the south of china
華南前汛期降水和氣溫都有5a的主周期。In the study of quantitative forecast models, composition analysis for three different time series are firstly investigated by statistic test methods. the conclusions are as follows : there is no evident tendency for above three series, and evident periodicity exist only in precipitation series
在定量預測模型研究中，先對三個不同系列進行時間系列的組成分析，結果表明：三個系列均無趨勢存在，降水量系列有明顯周期存在，但年最高潮位系列無周期。The large pressure decline in the pumping centre caused the deeped - seated confined fluids to develop periodic tectonic pumping, hydrofracturing and precipitation healing in the sodium - rich rock series
泵吸中心巨大的壓力降使深部的承壓流體在富鈉質巖系中產生周期性的構造泵吸?水力壓裂?沉澱愈合作用。Through analyzing and researching the physiognomy map of hebei plain > the fourthly epoch map of hebei plain > engineering geology map of hebei plain, hydrogeology map of hebei plain. lithology map of the fourthly epoch and ancient watercourse map of hebei plain, achieving the fixation factors that control the arising and development of the ground fissures, such as, the earth ' s crust tress, the fourthly epoch lithology, the chancing of ground water table, active faults and ancient watercourse, and also making sure the exponents of each factors ; researching random factors, such as, precipitation. and agriculture irrigation, and making sure the exponents of each factors too
找出了地裂縫發展的周期，對地裂縫的發展趨勢進行了預測；圈定了地裂縫發生敏感點。在分析河北平原第四紀地質圖、地貌圖、工程地質圖、水文地質圖、古河道圖基礎上，找出了河北平原地裂縫致災固定因子如：地殼應力、第四紀巖性、地下水位埋深降幅、活斷層和古河道，並確定劃分各因子指數；研究地裂縫隨機因子，如大氣降水和農業灌溉，並劃出各因子指數。On the other hand, the activity and function of p27 kip1 was affected by many physiological agents such as camp, il - 2, rampamycin. the expression of p27kip1 increased after - irradiationin in the fibroblastoma cells, leading to arrest in gl phase, but its expression markedly decreased after y - irradiation in the nbcc cells, and leaded to arrest in g2 / m phase. several studies have reported that p27 kip1 involved in a much wider range of cellar processes, such as differentiation, apoptosis and migration, the expression level of p27kip1 is key for its function in dna damage responses
另一方面， p27kip 』的活性水平及功能作用，因細胞類型不同而各異，又受多種因素的影響，如一些有絲分裂原camp 、雷帕黴素可以上調p27kip ，的表達，而il一2等則與p27ki 」 『的表達下降有關，受電離輻射（ ir ）照射的成纖維細胞瘤及用1 ， 25一二經基d3處理的hela細胞系在gl期均有游離的p27腳『的積累，細胞周期阻滯在gl期;而在痣癌伽bccs ）細胞中， y一射線能誘導p27吻『表達水平的顯著下調，細胞周期阻滯在g2艦期。To investigate the functions of these factors, cells were treated with anti - c - fos, anti - c - jun and anti - ras antibodies and examined microscopically for the cell cycle progression. the results indicated that c - fos - like protein, c - jun - like protein and ras - like protein played important roles in checkpoint regulation in physarum polycephalum. western blot analysis showed that the c - fos - like protein and c - jun - like protein may act in cell cycle checkpoint by changing the cyclin b1 - like protein and p53 - like protein expression ; and the ras - like protein may act by changing the cyclin bl - like protein, p53 - like protein, c - fos - like protein and c - jun - like protein expression
蛋白免疫印跡分析的結果表iv明，當s期、 gz期和前期細胞內具有功能活性的類ras蛋白的量減少時，細胞中的細胞周期調控因於類cyclinbi蛋白、類c jun蛋白、類c fos蛋白和類p53蛋白的表達水平，與未經抗體處理時相比發生了變化（或升高或下降） ；而山抗體處理引起的多頭絨泡菌細胞內具有功能活性的類c fos和類c jun蛋白的減少，使細胞內類cyclinbi蛋白和類p53蛋白的表達水平與抗體未處理時相比也發生了明顯的改變。Result shows that summer precipitation in north china has gone through four major dry - damp phases, richer periods from 1900 to 1915 and from 1946 to 1978, less periods from 1916 to 1945 and from 1979 to 2001, and has obvious inter - decadal variations, and has about 60a, 20 - 30a, 10a major periods and has twice abrupt changes in 1953 and 1979
結果表明：華北夏季降水經歷了四個主要干濕階段，即1900 1915年和1946 1978年為多雨期， 1916 1945年和1979 2001年為少雨期，具有明顯的年代際變化，主要有約60年、 20 30年和10年左右的周期，並在1953年和1979年發生了兩次氣候突變。It is very difficult for an absolutely independent industrial enterprise to accomplish this project. the aviation enterprises need to strengthen the wide cooperation with the other enterprises including metallurgy, chemical industry, electronics and information technology and establish supply - demand system in order to reduce the period of design and production, reduce the cost and investment risk so as to obtain more market shares and improve the competitiveness of enterprises. this paper studies the latest results of supplier quality assurance and manufacturing capability evaluation and control of aviation enterprises from both home and abroad
飛機製造工業是一個國家綜合國力和工業發展水平的體現，是一種資本、技術、知識密集為一體的戰略產業，是一個復雜的系統工程，一個完全獨立的工業企業是很難完成這一工程，為了縮短設計、生產製造周期，降低成本，降低投資風險，獲得更多市場，提高企業的競爭力，航空企業需要和冶金、化工、電子、信息等企業加強廣泛合作，建立供需體系。The characteristics of precipitation anomalies in summer, previous and simultaneous ssta and preceding winter accumulated snow depth anomalies corresponding to positive and negative phases of 10 - yr mode and 25 - 30 - yr mode are discussed respectively. no matter for 10 - yr mode or for 25 - 30 - yr mode, reverse characteristics corresponding to positive phases and negative phases appear in the above fields. it proves that the decadal variation of sah have a good relation to the decadal variation of other key element of climate system and we can regard sah as a strong signal of the anomalies in the climate system
（ 4 ）夏季南亞高壓東西振蕩具有明顯的年代際變化特徵，本文分別討論了對應於10年周期態的正位相年和負位相年及25 - 30年周期態的正位相年和負位相年時夏季我國降水距平、前期及同期海溫距平及前冬青藏高原積雪距平的分佈特徵，發現無論是10年周期態還是25 - 30年周期態，對于夏季南亞高壓東西振蕩的正位相年和負位相年以上各要素場呈現為很好的反位相特徵，說明夏季南亞高壓的年代際變化與氣候系統中其他要素的年代際變化具有很好的關聯性，可將南亞高壓看作氣候系統中大氣子系統異常的強信號，通過分析南亞高壓的年代際異常可以更直接地研究和預測區域氣候異常。Optimal periodic control with the lowest operational cost by limiting total substrate discharge mass was studied. through adding new state variable and using supplement functions, the problem with restriction conditions was converted into nonrestriction problem. in addition, the dynamic searching method of optimal step coefficient was developed to modify the conventional gradient method, consequently the calculation problem of the multivariable optimal periodic control was able to be resolved better. it was found that the operational costs of optimal control under various initial states are distinctly different. a new concept of optimal control under optimal initial state was presented. it is pointed out emphatically that to the treatment system without optimal control condition, the suboptimal control with extensive practical value can be realized according to the results of optima control
著重研究了在限制有機物排放總量時，使其運行費用最低的最優周期控制問題.通過增加新的狀態變量和用補償函數法，將本課題的有約束條件問題化為無約束條件問題，並提出了最優步長參數的動態搜索法來修改傳統的梯度法，從而較完善地解決了多變量最優周期控制的計算問題.研究中還發現了不同初始條件下最優控制所需要的運行費用也大不相同，進而提出了最優初始狀態下最優周期控制的新概念，這對保證出水質量的同時進一步降低污水處理成本來說具有更重要的意義.本文還強調指出：對于尚不具備實現最優控制條件的處理系統，可根據最優控制的研究結果實現具有廣泛實用價值的準最優控制Using monthly temperature and rainfall data of 160 stations in china and global sea surface temperature and heat content data, diagnostic analysis is performed by means of harmonic analysis, correlation analysis, svd and corresponding statistical significance test methods
利用全球海溫、熱含量、中國160站月平均氣溫和降水資料，通過周期分析、相關分析和奇異值分解（ svd ）以及相應的統計學顯著性檢驗方法，分析比較了全球海洋熱狀況與氣候異常的相關聯系。By adding high pressure water cleaning, hot water washing and optimization of bubble point test and filter core assemble process, the energy was saved, the consumption was reduced, the cleaning effiencency and quality was improved, the lifetime of filter was prolonged, the safety hidden danger of the process in pet production was removed
摘要闡述了通過增加一道高壓水清洗、熱水洗以及對泡點試驗和過濾芯組裝等過程的優化，達到節能降耗，提高清洗效率，延長了過濾器使用周期，消除了此工序給聚酯生產帶來的安全隱患。Its interannual variation ' s main period is about 4 ~ 5a and the 7 ~ 8a ' s period exist too ; the interdecadal variation ' s main period of the australian high is about 15a. the interannual variation of australian high ( aah ) has correct correlation with antarctic oscillation and enso, and the enso ' s 4a period has the most important influence on the aah. ( 2 ) when the ah becomes stronger, the members of the whole aamcs are stronger following it. that is to say, in the years that the ah is stronger ( compared to the weak years of ah ) and on the horizontal circulation, the members of aamcs, including the ah, the cross - equator flow ( cef ) between 100 and 160 e, the south china sea south - west monsoom ( ssm ), the south sea monsoon rough, the tropical easily flow, subtropical high ( sh ), the mei - yu front, the mid - latitude effect, become stronger, and their positions are more southward ; in the meridional - right circulation, there are five circulations including classic monsoon meridional - cirle circulation and hadley circulation that become stronger in the strong years of ah than in the weak years of ah
本文採用ncep ncar再分析月平均的全球海平面氣壓場、高度場、海表溫度場、高雲量和cmap全球降水資料，以及中國160站逐月降水資料，分析了1948 2002年期間澳大利亞高壓（以下簡稱澳高）的年際和年代際變化以及澳高年際變化對亞澳季風環流系統的影響，結果顯示： （ 1 ）澳高存在明顯的年際和年代際變化，澳高年際變化以4 5年的周期變化為主，同時兼有7 8年左右的周期，而澳高的年代際變化則以15年左右的周期變化為主：澳高年際變化同時與南極濤動和enso有正相關，並且enso的4年左右的周期變化對澳高年際變化影響最大。It can shorten the part ' s production period, lower the production cost and increase the production automation level
縮短了零件的生產周期，降低生產成本，提高了生產自動化水平。分享友人