日用水量 的英文怎麼說
中文拼音 [rìyòngshuǐliáng]
日用水量
英文
daily water consumption- 日 : Ⅰ名詞1 (太陽) sun 2 (白天) daytime; day 3 (一晝夜; 天) day 4 (泛指某一段時間) time 5 (日...
- 用 : Ⅰ動詞1 (使用) use; employ; apply 2 (多用於否定: 需要) need 3 (敬辭: 吃; 喝) eat; drink Ⅱ名...
- 水 : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 日用 : 1 (日常生活費用) daily expenses2 (日常生活應用的) of everyday use日用必需品 daily necessities...
- 水量 : water yield; the yield of water水量計[表] watermeter; 水量平衡 water balance; 水量收支 water budget
-
Different from mammals, the early embryos of fish can not be preserved for the long period at the very low temperature ( - 196 ). therefore, three methods were usually applied to cryogenic preservation of the fine and rare species of fish : 1 ) perserving fish spermatozoon in cryogenic condition. researchers have had systematically studied on this technique for many years, and this technique has been utilized in application and made a lot of effects ; 2 ) combining with the techniques of cell engineering ( nuclear transplantation and electric fusion etc. ), and through the process of culturing histiocyte of fish, cryopreservation and re - culture after thawing, carrying out somatic cell breeding of fish. the past studies showed that the nucleolus of somatic cells of fish have totipotency
多年來,國內外學者對各種魚類精液的冷凍保存進行了大量的系統研究,目前這項技術已達到實用水平,並日益發揮作用;二是對魚類培養的組織細胞冷凍保存,通過魚類細胞的培養、超低溫凍存、解凍后再培養過程,結合細胞工程技術(如核移植、電融合等)進行體細胞育種;大量的研究結果表明魚類體細胞核具有發育的全能性,隨著細胞培養技術、細胞工程技術日益發展成熟,完全具備實現魚類物種種質長期保存的理論基礎和技術條件。There is a period of soil contents range from ten to twenty five days over the humid discussed area in summer, and the period is not obvious at the discussed zone of close oasis desert area in summer and winter. ( 2 ) soil temperature exits several periodic variations of different depths ranging from six to twenty four days in heihe region, and nine to thirty days in gaize and shiquanhe region. it also shows that gradient of soil temperature affects on the soil content movement more greatly in summer. ( 3 ) the land surface temperature of yangtze river lower region is retrieved from noaa - ahvrr data
( 2 )根據土壤溫濕資料,採用功率譜分析、 pca分析等方法,分析了兩種典型下墊面土壤溫度的時空分佈特徵及其對土壤水分運動的影響,發現研究區土壤溫度除日和年變化周期外還存在6 30天的不同周期;下墊面的非均勻性及其季節變化及溫度梯度變化對土壤水分運動有很大影響,冬季溫度梯度變化對土壤含水量影響大於夏季溫度梯度對上壤含水量變化的影響,且溫度梯度與水分運動方向相反。The initial field of the model is the in situ observational data. combining the observational data by the doppler weather radar, the distribution and evolution of macro - physical as well as micro - physical variations such as wind field structure, radar echo structure, overhang echo, bound weak echo region, strong echo wall, water content, etc. in the storm were analyzed
利用中國科學院大氣物理研究所建立的完全彈性三維雹雲數值模式,模擬了1996年6月29日發生在北京東北部京冀交界地區的一次強單體雹暴過程,並結合多普勒雷達探測資料,分析了風暴的流場結構,雷達回波結構特徵,含水量場等宏微觀物理量的分佈及其演變。By surveying the sample plot, the relations between the stabil ity of the mountai n slope of soil preparation for planting by using explosion and other factors s uch as precipitation, terrain , were studied. by using the method of quantitative t heory i, the interrelation between the damaged degrees of soil preparation progra ms by using explosion in low mountain area with abundant precipitation and terrain factors was systematically analysed, and the mathematical models relate d were developed. the results show that the precipitation in early days and the m aximum precipitation per day are the primary factors causing the soil prepara tion program damaged. the main terrain factors of the mountain slope that affect the program stability are according to their importance, slope, position and dir ection. the suitable mountain slope for soil preparation by using explosion is th e slope of less than 25
通過典型標準樣地調查資料,探討了造林爆破整地工程的坡地穩定性與降水、地形等因子的相互關系,應用數量化理論,對在有充分降水條件下的低山丘陵區的爆破整地工程損失程度與地形因子之間的關系進行了系統分析,並建立了相應的數學模型,研究指出,充分的前期降水和日最大降雨量是引起爆破整地工程損失的激發因素;影響爆破整地工程穩定性的主要地形因子是地面坡度,其次為坡位、坡向,實施爆破整地工程的地面坡度以不超過25為宜。The plover cove reservoir opened in 1968. during the period from 1968 - 1969, an average daily supply of 39, 000, 000 gallons was provided for public use. by 1970, the supply had increased to 200, 000, 000 gallons per day
水塘於1968年年底開始使用, 1968 1969年間平均每日供水量約3 , 900萬加侖, 1970年代增至2億加侖。The sub - model for design of population density was developed according to the principle of determining boll number from target yield, fruit node from boll number, fruit branch from fruit node and population density from fruit branch by integrating the effects of sowing date, cutout date, effective temperature accumulation above 12, variety type, and fertilizer and water management levels. sowing rate was then decided by integrating the effects of different soil water and salt contents, ph, temperature and sowing style on seedling emergence rate with relative weight method
基於「以產定鈴、以鈴定節、以節定枝、以枝定苗」的原理,同時考慮播種日期、打頂日期、 12的有效積溫、品種株型特性、肥水管理水平差異等因素來確定適宜的種植密度;在此基礎上,應用相對權重法計算土壤含水量、含鹽量以及整地質量和播種方式等多個生態環境因子對出苗率的綜合影響,進而確定播種量。The pearson distribution and the logarithmic normal distribution are used respectively to fit the asymptotic distributions of yearly maximum of the daily precipitation in chengdu during the period between 1951 and 1999
摘要利用1951 ~ 1999年成都日降水量年極大值的記錄,通過統計推斷,找出了成都日降水量年極大值遵循的漸近分佈。The paper in the context of the statistic - dynamic analyses the heterogeneity of spatial distribution of the precipitation. the generality of the spatial probability distribution model of the precipitation was explored
本文從陸面過程的物理機制出發,利用統計? ?動力學方法,闡述了中國區域的月降水量和日降水量的空間分佈非均勻性,並尋求適宜的空間分佈概率密度函數進行描述。Only the flux being decided properly, the design will match the fact well, which met the demand of user and saved the material. this paper analyzed the formulas of calculation of design flow per second and maximum flow per hour used in water supply
而是介於最大日瞬時用水量和最大時平均秒流量之間,只有合理的確定給水流量的大小,才能使得設計與實際情況能比較好的符合,既滿足了小區用戶的實際需求,又節省了管材、設備等的造價。The paper explored the pdf of the spatial distribution of the day precipitation. the result shows that the weibull distribution is good on describing the heterogeneous of the spatial distribution of the day precipitation in china. the exponential distribution is n ' t ideally suited to the day precipitation
利用負指數分佈和weibull分佈擬合全國范圍內的逐日降水水平空間概率分佈模式,發現負指數分佈模式並不能很好的擬合大范圍區域逐日降水量場空間分佈型,而weibull分佈的擬合效果很好,表明用weibull分佈描述中國區域逐日降水量空間分佈非均勻性的分佈律是非常適宜的。Nonparametric multivariate regression model of urban daily water demand
城市日用水量預測的非參數模型For the practice of the water supply system of three gorges project construction, this study set up a microcosmic hydraulic model. at the same time, it set up the forecast model by the analysis of time series in water consumption both by day and by hour. and finally, the study states an optimal decision mathematics model, which aims at making the least power consumption during the water supply
針對三峽工程施工供水系統的實際,本文建立了供水系統的微觀水力分析模型;同時,採用時間序列分析方法建立了日用水量和時用水量預測模型;最後,建立了以總耗電量為最優目標的優化決策數學模型,並採用動態規劃方法進行模型的尋優計算。The wide area network ( wan ) water management system monitors and controls nine waterworks, 900 groundwater wells, seven pumping stations and some 7, 700 kilometers of pipeline in three different pressure zones ? a vast system that supplies the city ' s 3. 4 million population with some 550, 000 cubic meters of water a day
廣域網( wan )水管理系統監視和控制著三個不同地壓地區的9個自來水廠, 900個地下水井, 7個泵站以及7700公里的水管? ?這個巨大的滿足著這個三百四十萬人口城市的的五十五萬立方米的日用水量的系統。According to the scales of small residential communities, the number of people, water supply of small residential communities have its characteristics with regulations, namely the flux formula differs from flow per second and maximum flow per hour used in water supply, but between them
住宅小區供水因受其供水范圍和人口數量的影響,其用水規律有其特點,即其設計流量應不同於按最大日瞬時用水量所確定的建築內部的設計秒流量,又不同於按城市給水最大時流量計算所得到的平均秒流量。It was substantiated that the complementary relationship of evapotranspiration on the yellow river valley exists by using ground observed data from weather stations, hydrological and solar radiation observer. actual evapotranspiration was reckoned by model and results were verified by explored the secular annual mean basin actual evapotranspiration which was calculated from water model
本文利用黃河流域氣象、水文及日射站的水平面觀測資料,證實了流域尺度上存在蒸散互補相關關系,進而採用蒸散互補模型對流域年實際蒸散發量進行估算;用水量平衡法計算的流域多年平均實際蒸散發量對估算結果進行檢驗。On the basis of analyzing historical water consumption in shenzhen, hourly water demand, daily water demand and annual water demand are studied using non - linear regression model, time series model, artificial neural network, gray model and compounding model, etc. by anglicizing merits and demerits of every model in different forecasts, time series model is appropriate to hourly water demand forecast ; compound forecasting model of time series and regress analysis is appropriate to daily water demand forecast ; gray model and regress analysis model is appropriate to annual water demand forecast
本文通過分析深圳特區用水量的變化規律,採用非線性回歸分析、時間序列、人工神經網路、灰色模型和組合預測模型分別對時需水量、日需水量、年需水量進行了研究。通過比較分析各種模型在不同預測類型中的優缺點,時需水量預測較適合採用時間序列模型;日需水量預測較適合採用時序?回歸分析組合預測模型;年需水量預測較適合灰色模型、回歸分析模型;提出了指導選擇城市需水量預測模型的方法。The officials in this area impose a strict daily ration of three kilos of water for each person, and residents have to rely on long - distance transport of water by the locally stationed army unit
這個地區嚴格限定每人每天飲用及日常的各種用水量不能超過三公斤,所有的用水均得依靠駐軍從非常遙遠的地方運到。With its application in daily water demand forecast, daily water demand forecast is separated into domestic water consumption, industrial water consumption, commercial water consumption and common water consumption. it proved that the forecasting precision has been more accurate in a certain extent
並通過對日需水量按照生活、工業、商業和公共用水分別進行預測,結果證明分類預測能使預測精度在一定程度上得到改善。Abstract : in this paper, we present a math model of washing procedure which gains definite effect at the expense of the least water. at first, we define an elementary model for automatic washing machine, which proves to be effective. in this paper, we also test the model with the data provided by panasonic, hitachi and sanyo, and gain a satisfying result. at last, we analyze the stability of the model. the model can be applied to any circumstance with little modification
文摘:基於數學規劃原理建立了個洗衣機的數學模型,使得在滿足一定洗滌效果的條件下,總用水量最小.本文中給出了全自動洗衣機的基本模型,還對照目前常用的松下、日立、三洋等3種洗衣機的運行情況進行測試,並對本模型的穩定性作了分析.實驗結果表明,本模型比較完滿地解決了節約用水的問題,而且只需經過簡單修改,就可以適用於任何日常生產生活中洗滌方面的節約用水問題95 % of water - used by agriculture come from groundwater, and it occupied 80 % of total water consumption ( 2001 ). water shortage is becoming the major obstacle of sustainable agricultural development and the key is raise efficiency of wateruse. the results of wofost model simulation showed that the yield of winter wheat was 2323 kg / hm2 under the rainfeed conditions, 5946kg / hm2 with irrigation, while the potential yield is 8485kg / hm2 with the abundance supply of light, temperature, water and fertilizer
( 2 )順義區農業用水的95來自地下水,農業用水占總用水量的80左右( 2001年) ,水資源緊缺成為限制農業生產的主要瓶頸,在日趨緊缺的水資源壓力下,提高水分使用效率成為土地可持續利用的關鍵。採用wofost模型對順義區冬小麥的生產潛力及雨養條件下水分限制產量進行了模擬,結果表明:在光、溫、水、肥條件均滿足時生產潛力為8485kg hm ~ 2 ,雨養條件下水分限制產量只有2323kg hm ~ 2 。分享友人