这是由于低的有效资源，特别是低的有效水分与温度决定的。
This was determined by the low available resource, especially low available water and temperature.
随着土壤的通气性和渗透、排水率的改善，土壤有效水分增加。
With improvement of aeration, infiltration and drainage percent, the availability of moisture soil increases corresponsively.
提出在水稻生产秧苗期用浅水灌溉或无水层灌溉的有效水分管理方法。
Effective water manage measure at seedling stage was discussed in rice production.
结果表明，在年生长期中，刺槐林地水分条件严酷、土壤有效水分少。
The results show that the soil water conduction of the plantation was very poor and the available water content was very low during the growing season.
减少食品中水分含量或微生物生长所需的有效水分，就能防止微生物生长。
By decreasing the amount of water in food or its availability to microorganisms, growth of microorganisms can be prevented.
分析结果表明，排土场土壤质地差、无任何结构、渗透性差、土壤坚实、有效水分及营养元素含量低。
The results show that the soil quality is poor, with low effective moisture and nutritional elements, without no structure.
在土壤-植物-大气系统中，土壤有效水分贮存量、作物耗水量和有效降水量是农田水分平衡的主要组成因子。
In soil-plant-atmosphere system, soil available water content, crop water consumption, and effective precipitation are the main factors in water balance equation of farmland.
稀饭中含有的大量水分，还能有效地润滑肠道。
脱水唯一的有效治疗方法是补充流失的水分。
The only effective treatment for dehydration is to replace lost fluids.
粗糙的有纹路的曼妥斯促使泡泡增长，因为他们有效地中断水分子之间的极吸引力，使泡泡数量变多了。
The rough, dimply surfaces of Mentos encourage bubble growth because they efficiently disrupt the polar attractions between water molecules, creating bubble growth sites.
肥沃、透气的土壤富饶多产，并能有效锁住水分。 然而相益于环境最多的是碳汇（Carbon Sink）。
Rich, aerated soil is productive, retains water, and, highly significant in environmental terms, is a carbon sink.
把椰子油和橄榄油混合在一起，就成了简单快捷的解决办法，富含滋润营养和水分，甚至对最脆弱的分叉发梢也有效。
Combining coconut oil with olive oil is a quick and easy solution that is LOADED with moisture and hydration to combine even the most brittle split ends.
包气带可以更有效地作为一个单一的水分连续介质来看待。
The zone of aeration may be treated more efficiently as a single moisture continuum.
保留在土壤中的全部水分对植物的有效性是不一致的。
All the water retained in a soil is not equally available to plants.
土壤生态系统中水分和养分的丰度和有效性决定土壤的肥力。
The abundance and availability of water and nutrients in a soil ecosystem determine its fertility.
而且，许多面膜有营养、美白、保湿成分，可以有效地保持肌肤水分。
And, a lot of face film have nutrition, beauty white, keep wet part, retain skin moisture effectively.
研究结果为有效利用红壤区水资源、合理调控农田水分和提高作物生产力提供了科学依据和实用技术。
From the results, some scientific basis and practical techniques were provided for using water resource effectively, regulating farmland water rationally, and improving crop productivity.
结果表明，覆膜穴播可以提高土壤地温，保持土壤水分，促进土壤速效养分的充分释放和有效利用。
The results showed that, mulched hole planting could improve soil temperature, conserve soil moisture, and promote full release and efficient use of soil rapidly available nutrients.
保水剂可有效抑制土壤水分蒸发，使土壤在较长时间内维持较高的土壤含水量。
Three polymers can reduce effectively the soil water evaporation, making soil maintain much amount of water in longer period contrary to the control.
源源不断的供给肌肤营养水分，有效收紧松弛肌肤，改善粗糙肌肤。
Persistently provide skin with nutrition and moisture, effectively firm relaxed skin, improve rough skin.
该模型除能预报根系吸水的一些水分动态和水势动态外，还能预报有效根密度的时空变化。
The model can predict not only the soil water dynamic profiles and the soil water potential profiles, but the changes of the effective root density with depth and time.
随施肥量的增加可以有效缓解水分亏缺对小麦生长发育及其产量的影响。
Along with the increment of the fertilization quantity, it can alleviate effectively because of the influence of the water deficit upon the wheat, growth development and its yield.
结果何首乌提取物能有效提高皮肤角质层水分含量，降低角质细胞脂褐素含量。
Results PmTe can effectively increase the moisture of keratoderma, decrease the lipofuscin in keratinized cell.
梯田地采用集流补灌措施能提高天然降水的利用率，明显改善梯田地土壤水分状况，有效抵御旱灾。
Applying auxiliary irrigation with collected rainwater will improve rainwater use rate, ameliorate soil water content and effectively resist drought.
它隐含表明增加肥料投入也是提高农田水分利用率的有效途径。
This implies that the increases of fertilizer supply is also an effective approach to increasing water utilization rate of the farmlands.
实例计算结果表明：该方法性能良好，可望成为农业水分盈亏变化趋势预测的有效辅助手段。
The effect of application show that this method is good, and will become an efficiency assistant for forecasting the change tendency of the profit and loss of agricultural moisture.
为了能够有效地从沙层中获得水分，植物的根系的伸长的速度必须大于湿沙层下降的速度。
In order to absorb water, the speed of root elongation in plants must surpass the speed of the humid soil layer moving down.
饭前喝水会让人有饱食之感，食物中的水分同样有效。
While drinking water before a meal may fill a person up, the contents of their meal count as well.
饭前喝水会让人有饱食之感，食物中的水分同样有效。
While drinking water before a meal may fill a person up, the contents of their meal count as well.
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