minimum water level 中文意思是什麼
minimum water level
解釋
最低水位-
The theoretic calculating method of the maximum and the minimum water level in the differential surge tank has been derived firstly. also the explicit method of calculating surges in the differential surge tank has been deduced firstly by use of thaler series expansion. the calculating method of section of the well and the effective impedance hole in the surge tank has been gived
根據差動式調壓室的基本微分方程，首次推導出了差動式調壓室涌浪幅值的理論計算公式；並同樣利用泰勒級數展開方法推導出了差動式調壓室水位波動的顯式計算式；導出了差動式調壓室大井面積和有效阻抗孔面積的計算方法。 -
In ported trials, wu gave the minimum tr of all plants, and its diurnal maximum tr persisted stability the most within the range of soil moisture 20. 4 % - 6. 4 %. ; nx lowered its tr and shrank its high - low lines after had experienced irregular wet - drought hardening period during culturing ; kerqin performed a plasticity as compared to field ; c. lanata also stood the most stability but on the basis of middle - high maximum tr level ; tr by caragana korshinski was high when soil water was abundant, but was lowest for lack of water ( 6. 4 % )
盆栽試驗表明，華北駝絨藜蒸騰最弱，且在土壤含水量20 . 4 6 . 4的范圍內最高蒸騰速率穩定性最強；經脅迫鍛煉寧夏駝絨藜蒸騰降低，變幅減小；科爾沁駝絨藜與大田相比蒸騰可塑性較強；土壤水分變化中，北美駝絨藜蒸騰在中高水平上維持穩定的能力最強；水分良好時檸條蒸騰很強，水分脅迫中蒸騰極大降低。 -
Information on the nearest approach together with an estimate of the minimum central pressure of each tropical cyclone during its closest approach, the maximum winds at king s park and chek lap kok and waglan island, the minimum mean sea - level pressure recorded at the hong kong observatory and the maximum storm surge ( the excess of the actual water level over that predicted in the tide tables ) recorded at various tide stations in hong kong are included
資料包括熱帶氣旋最接近香港時的位置及時間和當時估計熱帶氣旋中心附近的最低氣壓、京士柏及赤?角及橫瀾島錄得的最高風速、香港天文臺錄得的最低平均海平面氣壓以及香港各潮汐測量站錄得的最大風暴潮（即實際水位高出潮汐表中預計的部分） 。 -
Information on the nearest approach together with an estimate of the minimum central pressure of each tropical cyclone during its closest approach, the maximum winds at king s park and waglan island, the minimum mean sea - level pressure recorded at the hong kong observatory and the maximum storm surge the excess, in metres, of the actual water level over that predicted in the tide tables recorded at various tide stations in hong kong are included
資料包括熱帶氣旋最接近香港時的位置及時間和當時估計熱帶氣旋中心附近的最低氣壓京士柏及橫瀾島錄得的最高風速香港天文臺錄得的最低平均海平面氣壓以及香港各潮汐測量站錄得的最大風暴潮即實際水位高出潮汐表中預計的部分，單位為米。 -
For wet - pit installations, it is recommended that the low water level elevation be specified to meet or exceed the minimum submergence to prevent vortexing
對于濕井設備安裝，建議所確定的低水位高度應該達到或超過預防渦流的最小潛水深度。 -
Reduce spillage by keeping the water level in rinsing and washing tanks to a minimum
盡量降低沖洗及洗濯器的水位，以避免食水在操作期間溢出。 -
The rigid limit equilibrium computation and finite element computation have been performed which concluded that the integral stability coefficient of no. 2 landslide shall be the minimum value when water level is 2145m a. s. l., then the coefficient increases slightly as the reservoir water level rises up, there exists, however, a fact that the stability coefficient of local section may tend to decrease continuously along with the rise of reservoir water level
進行了剛體極限平衡計算和有限元計算，證明號滑坡的整體穩定系數在2145m水位時最低，在此水位以上，將隨庫水位升高而略增；但局部斷面穩定系數有隨庫水位升高而不斷下降的情況。 -
Regard county, district unit of one grade of administrations as unit of counting, carry on land spend multi - level space - time dynamic change study, analyze 1986 - 2001 the land utilizes the quantity change all - sidedly, the land utilizes the space change of structure. through analyze article draw following meaningful conclusion while being above - mentioned : ( l ) district this one year, hit land utilize and take place the change by a large margin, and there are obvious regional differences one year. display it in the following several points concretely : land use pattern change a heavy one field, traffic land used for and cultivated land secondly most, residential area and land used for industrial and mining, utilize ground and forest land again, and water areas rate of change minimum
以縣、區級行政單元為統計單元，進行了土地利用多層次時空動態變化研究，全面分析了1986 - 2001年間土地利用數量變化、土地利用結構空間變化、土地利用景觀結構動態變化、土地利用程度變化、土地利用變化的區域差異等動態變化過程和土地利用變化規律，並應用數理統計和綜合模糊評判方法，利用社會統計軟體spss 、數學軟體包mathcad9 . 0定量的建立了土地利用變化的驅動力模型和預測模型，運用預測模型對本區土地利用類型進行了預測，並針對各驅動因素的地區差異，進行了驅動力分區。
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