litmus neutral test paper

Little paper can be used as an indicator of the presence of acid in a solution

石蕊试纸可用以测试溶液是否含酸

Litmus paper can be used as an indicator of the presence of acid in a solution.

石蕊试纸可用以测试溶液是否含酸.

Test: turns blue litmus paper red.

做个试验吧，能把蓝色的石蕊试纸变成红色。

We test the liquid for acidity with a strip of litmus paper.

我们用一条石蕊试纸来试验这液体是不是酸性的。

Ammonia gas is colorless which can turn wet red litmus paper to blue.

氨气是无色的，它可把湿的红色石蕊试纸变成蓝色。

Use of litmus paper and mechanical stapler in pancreaticoduodenectomy

石蕊试纸和吻合器在胰十二指肠切除术中的应用

Connect 2 oxidation sulfur Shi Rui to try juice, if do not heat, after is litmus erubescent whether change by oneself a primary colors?

将二氧化硫通入石蕊试液,若不加热,石蕊变红后能否自行变回原色?

unsized paper treated with litmus for use as an acid-base indicator.

未定尺寸经石蕊处理的纸，用作酸碱显示剂。

Hilary: Oh? Not so many young people subscribe to newspapers anymore.

希拉蕊︰？现在年轻人都不太订报纸了。

a purplish dye obtained from orchil lichens.

从石蕊地衣中提取的紫色染料。

chalk beer-wort yeast litmus milk

白垩、麦芽汁、酵母浸膏石蕊牛乳(培养基)

Watches with quartz crystal movements never have to be wound.

装有石英晶体机蕊的手錶毋需上发条。

chalk blood yeast dextrose litmus milk

白垩、血、酵母浸膏石蕊牛乳(培养基)

Study of the Application of Fibre Brucite and Wollastonite in Paper Making Industry;

纤维水镁石与硅灰石在造纸工业中的应用试验研究

Studies on the Lichen Genera Cladonia and Ramalina from Region of Mt. Taibai in Qinling;

秦岭太白山地区石蕊属和树花属地衣的研究

An anticlinal fold in which a mobile core, such as salt or gypsum, has pierced through the more brittle overlying rock.

活动的岩蕊在一背斜褶曲内活动的岩蕊（如像盐或石膏）突破了较脆的上覆岩层

The paper substrate is coated on both sides with water-impermeable resin which carries an light sensitive emulsion on one side.

纸蕊的两面涂上防水树脂，再于其中一面涂上感光乳剂而成。

Hilary: I hadn't thought of that. Newspapers really do have a lot of useful information.

希拉蕊︰没想过那些。报纸真的提供了许多有用资讯。