In the form of a water solution or as litmus paper, it is the oldest and most-used indicator of whether a substance is an acid or a Base.
它的水溶液，或者做成石蕊纸后，是最古老和最常用的指示剂，可以指示一种物质是酸还是碱。
Firstly, a solvus of L-lysine was ploted and the conditions by which a crystal was grown out of a water solution and an ethanol solvent were investigated.
首先制出赖氨酸溶解度曲线，探索以水溶液和乙醇溶剂中结晶的条件；
Mix a 50/50 solution of isopropyl alcohol and water into a small spray bottle if you've got one—if not, just dab your cloth into the solution.
将 50/50的异丙醇和水混合到一个小喷雾瓶中，如果你有的话——如果没有，就把你的布轻拍入溶液中。
On land, the supportive buoyancy of water is missing, the plant is no longer bathed in a nutrient solution, and air tends to dry things out.
在陆地上，水的浮力支持消失了，植物不再浸泡在营养液中，空气会使植物变干。
Each of the membrane technologies is essentially a filtration process in which contaminant ions are filtered from solution using a membrane with very small water passages.
这些膜技术本质上都是一个过滤程序，就是用一个有非常细小水通道的膜片把污染物离子从溶液里过滤掉。
Containers for water should be rinsed with a bleach solution before using and reusing.
装水的容器在使用和再使用之前，应该用漂白剂溶液清洗。
The water and solution naturally create a concentration of semiconducting material in the pattern as the water evaporates.
水和自然的解决方案创建一个模式中的半导体材料作为水的蒸发浓度。
South Africa's Working for Water program has come up with a solution to the spiraling funeral costs - use wood from invasive trees to produce coffins.
为应对暴涨的丧葬费用，南非“致力于保护水资源”项目制定了一个解决方案-用外来入侵树种制造棺材。
Turkey, the host of the World Water Forum, is offering a solution that could help ease those tensions.
本届世界水论坛会议的东道国土耳其提供了一个能够帮助缓解紧张局面的解决方案。
This is the tendency for water to pass through a membrane separating a weak solution from a strong one.
渗透是一种水通过膜的运动趋势，膜的两面分别是浓溶液和稀溶液。
Key to the product's versatility is the fact it can be sold in a solution of either alcohol or water, depending on what surface needs to be coated.
这种产品的通用性关键是，事实上可以根据需要涂抹的表面类型，以酒精或水溶液的形式销售这种产品。
But plant cultivation in either a water-based nutrient solution, shown here, or a nutrient-rich mist enables water to be almost completely conserved.
但这些植物，如图示，栽培在营养溶液中，或者在富含营养的水雾中，这样可以确保水几乎不流失。
The resulting solution is directed into tubes containing a catalyst that is activated by UV light and causes the dissolved CO2 to react with water (H2O) to form methanol (CH3OH).
由此产生的进一步方案是将这样的溶液导入内容催化剂的试管中，其催化剂在紫外线的作用下使溶于水的二氧化碳（CO2）与水（H2O）反应，生成甲醇（CH3OH）。
The highly effective and successful treatment for cholera is rehydration therapy using a simple water solution called oral rehydration solution (ORS).
高效的和成功的治疗霍乱补液疗法使用一个简单的水叫做口服补液溶液来。
The system runs on a green hydrogen peroxide propellant that leaves behind only water and oxygen, a solution not too far from the hydrogen peroxide in the common medicine cabinet.
系统使用只会产生水和氧气的过氧化氢环保推进剂，类似家庭常备医药箱里的过氧化氢溶液。
If you have an article of clothing with set-in coffee or tea stains, don't despair. Just soak it in a solution of 1 unit vinegar to 2 units water and then hang the item to dry in the sun.
不要对衣服上的咖啡渍或茶渍感到绝望，把衣服泡在醋和水1：2混合的溶液里，然后放在阳光下晾干就好了。
So now we're going to assume that we have that solution inside, in a situation like this where there's pure water outside that can go in.
我们假定，内部是溶液，就像这里画的情况一样，水是可以进去的。
Diarrhoeal disease is treatable with a solution of clean water, sugar and salt, and with zinc tablets.
可用加糖和加盐的洁净水以及锌片治疗腹泻病。
So when I have a pure water solution, the total pressure is going to be the same as the vapor pressure of water at a particular temperature Let's take temperature fixed at some value.
当溶液是纯水时，总压强应该等于纯水，在特定温度下的蒸汽压，我们让温度固定。
Dip the scrubber in a solution of 1 teaspoon dishwashing liquid to two gallons of water. Squeeze excess water from the scrubber.
将洗涤器浸入1汤勺配2加仑水的溶液中，然后将多余的水挤去。
The result is relatively pure water or the permeate generated on one side of the membrane, while on the feed water side a concentrated brine or reject solution is generated.
相应的结果就是在膜的一侧产生了纯水或者渗透物，另一侧，即给水的那一侧，产生了浓缩盐和被隔阻的溶液。
This movement of charged ions, when the eel is in a conductive solution like water, creates an electric current.
当鳗鱼在像水一样的导电溶液中，这种带电的离子便会产生电流。
Acids are chemicalcompounds that, in water solution, have a sharp taste, a corrosiveaction on metals, and the ability to turn certain blue vegetable dyesred.
酸是一种化合物，它在溶于水时具有强烈的气味和对金属的腐蚀性，并且能够使某些蓝色植物染料变红。
Soil erosion will not be a problem because the food will be grown hydroponically-in other words, in a solution of minerals dissolved in water.
土壤退化也不再是一个问题，可以使用水栽法栽种粮食作物——换句话说，就是使用一种含有矿物质的溶解液。
The typical solution is for a city to build larger pipes and a giant underground tank to hold the excess water until sewers can handle the flow.
典型的解决方法是建造更大直径的排水管和巨大的地下水箱来容纳过量的来水，直至下水管网能够自行处理水流。
Metal Polish - Mix several crushed onion slices with some water. Apply the solution to a dull metal object using a piece of cloth.
擦亮金属——将一些压碎的洋葱片和水混合，用块布蘸取溶液，擦拭暗淡的金属物品。
The transparent effect is caused when micron-sized water droplets are sprayed across a thin layer of the buckyball-plastic solution.
透明效果，这引起微米大小的水滴跨越了布基球，喷一层薄薄的塑料解决方案。
One is "water cremation" or alkaline hydrolysis, where a corpse is placed into a heated solution of water and potassium hydroxide.
其中一项技术叫做“水葬”或者碱性水解，就是将尸体放在加热的氢氧化钾水溶液中。
For large stains, you may want to soak the garment overnight in a solution of 3 parts vinegar to 1 part cold water before washing.
对于大面积的污渍，你需要将衣服放在由3份醋1份冷水混合成的溶剂中浸泡一整晚，然后再清洗掉。
For large stains, you may want to soak the garment overnight in a solution of 3 parts vinegar to 1 part cold water before washing.
对于大面积的污渍，你需要将衣服放在由3份醋1份冷水混合成的溶剂中浸泡一整晚，然后再清洗掉。
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