1. The pinyin of the word alkali is jiǎn ; 2. Explanation of the word alkali: (1) (name) A collective term for compounds containing hydroxide roots. This substance has an astringent taste; can make litmus paper turn blue; can neutralize with acid and form salt. (2) (Name) Sodium carbonate containing ten molecules of water of crystallization; colorless crystals; used as a detergent; also used to neutralize the sour taste in hair pasta. (3) (verb) To be eroded by salt and alkali: this wall is all ~.
Selected part of the alkali grouping of words in sentences and words with pinyin and detailed explanations:
1, caustic soda sentence: the automatic control system of the electrolysis tank in the caustic soda plant is elaborated on the optimization of the design of the traditional means of control, and according to the production conditions, the selection of instrumentation is discussed in more detail.
Explanation: a strong alkali, the component is sodium hydroxide, white solid. Can make soap, pigments, rayon, glass, etc., and can be used to refine oil. Also known as caustic soda, caustic soda.
2, weak alkali sentence: the weak alkali ternary composite system interfacial tension, viscosity, degree of scaling and production of dynamic characteristics of the study is not much, the test process of some of the problems also plagued the normal conduct of the test work.
Explanation: A base with a weak alkaline reaction can produce only a small amount of hydroxide ions in aqueous solution, such as ammonium hydroxide.
3. niacin sentence: pellagra is also possible if the diet consists mainly of corn containing very low levels of niacin and tryptophan (which can be converted to nicotinic acid in the body) and no, or only a small amount of protein-rich foods.
Explanation: organic compounds, is contained in the tobacco alkaloids, colorless or yellowish liquid, in the air into a brown, spicy taste, *** sexual odor, highly toxic, can make the nervous system first excitation and then inhibit, agriculture used as an insecticide. Also called nicotine.
4, soda ash sentence: although soda ash customers worldwide are still pressing down inventories, U.S. producers have yet to fully utilize their pricing power to gain more international market share, Walter said.
Explanation: see〖soda〗.
5, theophylline sentence: Research has proved that theophylline contained in tea will raise the body temperature. Fever patients who drink tea is not only not conducive to lowering the body temperature, but also drink tea and make the effect of cooling drugs greatly reduced.
Explanation: Tea contains an organic compound, white crystalline powder, with a bitter flavor. It can be used for medicinal purposes.
6, alkali metal sentence: such beakers are opaque, hard, non-porous, smooth surface, almost all chemicals are resistant to beakers, but the melting of the alkali metals and fluorine is more sensitive to platinum is a good substitute.
Explanation: lithium, sodium, potassium, rubidium, cesium, francium six metal elements collectively. Hydroxides of alkali metals are the most powerful alkaline compounds.
7, strong alkali sentence: This product is a phosphorus-free laundry additive, containing strong alkali, can cooperate with and promote other laundry detergents in any water quality to play a highly effective detergent and cleaning power, while reducing the consumption of laundry detergent.
Explanation: Alkaline reaction is very strong alkali, very corrosive, in aqueous solution can produce a large number of hydroxide ions, such as caustic soda, caustic potash, etc..
8, alkaline earth metals sentence: crude oil decalcification technology makes the process of crude oil desalination from the original can only remove some of the inorganic alkali metal compounds transition to the removal of alkaline earth metals and some of the heavy metals in the crude oil, and has the value of promotion.
Explanation: a collective term for six metallic elements: beryllium, magnesium, calcium, strontium, barium, and radium. The oxides of the alkaline earth metals are all alkaline.
9. Salt and alkaline earth sentence: The air here can turn ugly shrubs and patches of salt and brown dirt into a feast for the eyes. Once you have seen these, you will understand why it is said that the holy light of heaven can make the ugliest face beautiful.
Explanation: land with more salt in the soil, which is not conducive to plant growth.
10, alkaloids sentence: atropine, belladonna alkaloids a toxic, bitter-tasting crystalline alkaloids, C17H23NO3 extracted from belladonna or other Solanaceae. It is used to dilate pupils and treat spasms.
Explanation: organic alkaloids, generally containing carbon, hydrogen, oxygen and nitrogen, widely found in living organisms, most of which are non-volatile crystals with a bitter taste and highly toxic. Most of the alkaloids can be used for medicinal purposes, such as morphine, nicotine, cocaine and so on. Also called pseudoalkaloids (yànjiǎn).
11, choline sentence: eggs and other protein-rich foods are rich in choline. Choline is an essential nutrient for the body because it is involved in the formation of cell membranes and the synthesis of the neurotransmitter acetylcholine, which can affect memory.
Explanation: organic compound, a colorless, pulpy liquid with a strong alkaline base. Contained in plants and animals, it plays an important role in fat metabolism.
12, saline soil sentence: saline soil due to the presence of excessive salts, toxic substances, alkali overload and poor physical properties of the soil, the inhibition of plant growth, resulting in regional ecological deterioration.
Explanation: a general term for saline and alkaline soils. Soils with a high content of sodium chloride, sodium sulfate, etc. are called salt soils; soils with a high content of alkaline substances such as sodium carbonate or sodium bicarbonate are called alkaline soils.
13, chlor-alkali industry sentence: With the rapid development of chlor-alkali industry and electrolytic water industry, how to reduce energy consumption, improve the economic efficiency of enterprises and technology has become an important research topic.
Explanation: The basic chemical industry to produce caustic soda, chlorine, hydrogen and other products from salt solution by electrolysis.
14, alkali salt sentence: focus on the new sweet and acid complex, new sweet and other sweeteners complex, new sweet and alkali salt complex, new sweet and metal ion complex and other methods to improve the solubility and dissolution rate of new sweet in water.
Explanation: a salt containing hydroxide, such as basic copper carbonate.
15, water alkali sentence: ordinary tap water has a variety of substances, heat is easy to scale, which is like the home kettle used for a long time, the kettle wall to form a thick layer of water alkali.
Explanation: hard water boiled after the minerals contained in the container (such as pots, kettles, etc.) attached to the gradual formation of white lumps or powdery things, the main component is calcium carbonate, magnesium carbonate, magnesium sulfate and so on. Also called water rust.
16, pan alkali sentence: the use of mineral admixture volcanic ash activity and other characteristics, the study of fly ash, slag powder, silica fume, zeolite powder inhibit the degree of concrete pan alkali;
Explanation: see 〖Return to alkali〗.
17, the alkali called sentence: some alkali and water incomplete reaction, can only produce a small amount of hydroxide ions, these bases are called weak alkali.
Explanation: shout.
List of words about alkali word formation Alkali word formation How to form alkali word formation Alkali polyphonic word formation Alkali word formation
Alkali land, alkali brine, fire alkali, sweat alkali, caustic alkali, water alkali, nicotine, alkali gas, pseudo-alkali, mouth alkali, alkali fluff, return alkali, ocean alkali, alkali salt, alkali soil, alkali, alkaline, alkali barrenness, alkaline water, weak alkali, alkali brine, caffeine, coca alkali, alkali salt, sandy alkali, soda lime, alkali metal, saline soil, saline soil, triacid dibasic, base pairing, alkaline oxides, alkaline copper carbonate, Hou's method of making alkali, acid-base indicator, soil pH