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- Land resources are dwindling because of water loss and soil erosion. 因為水資源的浪費和土壤被侵蝕，土地資源逐漸縮小。
- An on-line analysis and measurement system of percentage of water and gas cont ents in petroleum by using radiation isotope is described. 介紹了利用射線(xiàn)輻射衰減方法實(shí)現的原油含水率、含氣率在線(xiàn)分析與計量系統。
- The relationship of stability with the percentage of water added in oil (PWA), the percentage of emulphor added in oil (PEA) and the agitating degree is researched. 乳化劑量的增加和攪拌程度的增大均有利于穩定性提高。
- Per capital water resources, ratio of water resources utilization, ratio of waste water to runoff percentage of polluted reaches andEngel have profound effect on WES. 得出對北京市水環(huán)境安全影響比較大的指標主要有人均水資源量、水資源利用率、污涇比、污染河段百分比、恩格爾系數等；
- What percentage of the earth is covered by oceans? 地球上百分之多少被海水覆蓋著(zhù)？
- A Study on location observation of water loss and soil erosion in newly established economic forest. 新造經(jīng)濟林地水土流失定位觀(guān)測研究。
- We have only a small percentage of foreign books. 我們只有一少部分外文書(shū)。
- This is normally closely related to the rate of water loss by transpiration, and the potometer can be used to compare transpiration rates under different conditions. 通常與由于蒸騰作用而喪失水分的速率緊密相關(guān)，蒸騰計可被用于在不同條件下進(jìn)行蒸騰速率的比較。
- Osmotic dehydration of asparagus lettuce was studied by tracking down the rate of water loss and the rate of solid gain under different factor. 以萵筍為試驗對象,在不同的滲透脫水條件下,對物料失水率和固形物增加率進(jìn)行考察,探索萵筍的滲透脫水規律。
- What percentage of children were absent? 缺席的學(xué)童占百分之幾?
- Each of them got a percentage of the profits. 他們每個(gè)人都得到一部分利潤。
- Reducing of water loss in the process of transporting, field allotting and absorbing by plants plays key role in water-saving technologies. 減少輸水、田間配水及作物利用過(guò)程中的水分無(wú)效損失，最大限度地提高水分利用率和水分生產(chǎn)效率，是節水技術(shù)的核心。
- Whisky contains a large percentage of alcohol. 威士忌所含酒精的百分比很高。
- Rate of water loss of excised-leaves(RWL), transpiration rate of leaves (TRR) and iniftial water concentration (IWC)were studied in Lines of yield regional tests in two years. 以2年的冬小麥區域試驗參試品系為材料，測定分析了離休葉片失水速率（RWL），葉片蒸騰速率（TR）和葉片初始含水量（IWC）。
- Evapotranspiration is the combination of water loss through atmospheric evaporation, coupled with the evaporative loss of water through the life processes of plants. 土壤水分蒸發(fā)蒸騰損失總量是水通過(guò)大氣蒸發(fā)損失的總和，結合通過(guò)植物生命過(guò)程蒸發(fā)損失。
- What percentage of his income is taxable? 他的收入有多少需納所得稅?
- During the processes of water loss in wampee embryos, the ability of macromolecule's synthesis was rapidly decreased and hydrolysis of nucleic acids was obvioulsy enhanced. 脫水處理引起生理成熟期黃皮胚核酸、蛋白質(zhì)合成能力急劇下降，核酸水解酶活性增強。
- He lifted a pail of water from the ground. 他把一桶水從地上提了起來(lái)。
- The percentage of lead in our drinking water is unacceptably high. 我們的飲用水中的鉛含量高得難以接受。
- The rate of water loss through WSCF (Water Storage and Controlled-release Film) was measured in environments at different temperatures and with different moisture. 測量了膜材包裝水后在失水率隨溫度和濕度的變化；
