A check valve (3) can prevent the natural chemical absorption water head of the water head when the manual pump or the mechanical pump stops to work.
止回阀(3)起当手压或机械泵停止工作时能阻止水位差的自然吸药。
ASTM D570 Standard Test Method for Water Absorption of Plastics scope:this test method covers the detetmination of the relative rate of absorption water by plastics when immersed.
ASTMD570塑料吸水率的标准试验方法简介：ASTM D570包括了塑料在浸水时相对吸水率的试验方法。
Water absorption is greatly reduced; consequently runoff is increased, resulting in accelerated erosion rates.
吸水性大大降低了；因此，径流增加，导致了侵蚀率的增加。
Three-dimensional fluorescence spectrum and ultraviolet absorption spectrum of Bletilla striata extraction drawn by boiling water were reported.
报道了白芨沸水浸取液的三维荧光光谱和紫外吸收光谱。
Water intake supports digestion and absorption of nutrients and keeps children hydrated.
水的摄入支持消化和营养的吸收并能让孩子保持需要的水分。
Scientists at reykjavik want to bypass the slow process of CO2 absorption into water and the risks it poses by mixing the gas with water before injecting it underground.
在雷克雅未克的科学家们希望绕过二氧化碳吸收水份的缓慢过程以及在将其注入地下之前将气与水相混合而产生的危险。
Manufactured from coated nylon treated to prevent stains and water absorption.
从涂上一层的尼龙制造，对待避免污染而且加水给吸收。
The influences of other reaction parameters were discussed. Water absorption, adhesion of bovine serum albumin and blood compatibility of of the polymer was studied.
亦讨论了其他反应参数的影响，并研究了此聚合物的吸水率，对牛血清白蛋白的粘附及血液相容悱。
Kitchen and toilet should choose some relatively low water absorption of bricks because the ground water to wash frequently.
厨房卫生间应该选择一些吸水率相对较低的砖，因为地面要经常清水洗刷。
Under this condition, synthetic resin at room temperature measuring absorption deionized water rate.
在此条件下合成的树脂于室温下测吸去离子水的倍率。
Clean once more with clean water, then clean off the floor by water absorption machine and mop.
再用清水清洁一便，然后使用吸水机和拖把将地面请干净。
During the day water loss by transpiration exceeds water absorption by the roots and leaf water potential decline.
白天蒸腾作用散失的水分超过根系吸收的水分，因而叶子的水势就下降。
Water absorption: leakage dependent on the amount of water that has been absorbed by the insulator.
水吸收：由绝缘体吸收的水分所决定的泄漏。
So air conditioning only rely on water to absorb the absorption of a part of the heat can reduce the number of temperature?
那么空调仅仅依靠水分蒸发吸收走那么一部分的热量可以降低多少温度呢？
They also show that water absorption could availably evaluate the waterproof ability and resistance to acid and alkali corrosion of concrete protective coatings.
研究还表明吸水率可以有效评价混凝土保护涂层的防水能力和抵抗酸、碱侵蚀的能力。
The risk of the colon wall rupturing , and too much water absorption are another dangers of colon cleansing worth looking into.
风险结肠壁破裂，和太多的水吸收是另一个危险的结肠清洁值得探讨。
The paper studied on influence of VA mycorrhiza on maize plant growth, photosynthesis, nutrient absorption and water utilization under water stress with soil culture experiment.
采用土培试验研究了水分胁迫条件下接种菌根对玉米生长发育、光合作用、养分吸收和水分利用的影响。
Therefore could enhance the paper physical strength and reduced permeability and water absorption.
从而使纸张的物理强度提高、纸的吸水性和透气性降低。
The effects of xylose on water absorption of small intestine and large intestine were studied by weighing the intestines.
采用肠段称重法观察木糖对小鼠小肠与大肠水分吸收的影响。
It seems that water absorption serves as one of the key parameters in microbial growth in WPC materials.
看来吸水率是木塑复合材料中微生物生长的一个关键参数。
When salinity of formation water is rather high, the volumetric photoelectric absorption index of water and that of oil (gas) are quite different.
当地层水含盐量较高时，水的体积光电吸收指数与油(气)的体积光电吸收指数相差较大。
The water absorption and desorption properties of two shale ceramisites in water and cement paste were investigated.
研究了两种吸水率不同的陶粒在水中和水泥浆中的吸水返水特性。
Teapot finished more than 2% water absorption.
紫砂壶成品的吸水率大于2%。
This paper has arrived at the compressive strength, shear strength, modulus of elasticity, poisson's ratio, moisture content, water absorption and softening factor of lime-sand brick masonry.
本文通过对灰砂砖及灰砂砖砌体的较系统的试验研究，得出了灰砂砖砌体的抗压强度、抗剪强度、弹性模量、泊桑比系数、含水率、吸水率及软化系数等。
Bedroom and the living room should be chosen higher water absorption tiles.
而客厅卧室则应选择吸水率较高的地砖。
The extinction coefficient of the water is the sum of absorption by the water itself, by particles suspended in the water, and especially by dissolved color substances.
湖水的消光系数是湖水本身和水中悬浮颗粒，特别是溶于水中的有色物质的吸收作用的总和。
In this work, we studied the absorption of water vapour and water dimer vapour in millimetre and centimetre wavelength, and its effect on microwave remote sensing of atmospheric humidity.
本文研究了厘米波段和毫米波段水汽分子和双水分子的吸收作用，并讨论了它们在微波遥感大气水汽的影响。
A high water absorption polyacrylic acid resin was obtained using inverse suspension polymerization.
采用反相悬浮聚合法合成了聚丙烯酸高吸水性树脂。
As a new type of filling materials, the aerated concrete has the features of low density, low strength, good absorption of water and great contraction.
加气混凝土作为一种新型的墙体填充材料，具有容重小、强度低、吸水率高，收缩性大等特性。
At present domestic produced lightweight aggregate of lower strength and higher absorption of water is common.
目前国内生产的轻集料普遍存在强度偏低、吸水率偏高的质量问题。
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