Liquid hydrogen flow meter | The most expensive material for unmanned deep space | Mass flow meter

『liquid hydrogen flow meter|mass flowmeter』Related information(flow rotameter|digital flow meter|balo meter|hydraulic flow meter|volumetric meter|positive displacement meter|pitot tube flow meter|displacement meter|cfm meter|variable area flow meter|inline flow meter|differential pressure flow meter|calibrated flow meter|velocity meter|paddle wheel flow meter|oval gear flow meter|anemometer hvac|multiphase flow meter|doppler flow meter|thorpe tube flowmeter|heat flow meter)

1. Which words contain a lot of l h y

, such as the meaning of hypocotyl seed hypocotyl? In professional vocabulary, there are many words that start with hypo, and you want to find one that is too simple. In addition, there are proprietary terms starting with LHY, such as the band www.lhyros.org or more fixed nouns after abbreviations. LHY Liquid Hydrogen LHY Lines Handled per Employee/Year (supply chain/logistics productivity measure)

2. What are the classification methods for uncountable nouns in English? There are three main types of uncountable nouns in English: collective nouns representing "class", abstract nouns, and material nouns. ⑴ Collective nouns representing "class" are commonly used clothing 　　furniture 　　baggage/luggage 　　jewelry 　　traffic 　　infomation 　　machinery 　　merchandise 　　produce 　　scenery

（2） Abstract nouns mainly refer to the names of abstract concepts, which are generally uncountable, have no plural form, and cannot be preceded by articles a or an. Here are some common abstract nouns: absence access age agriculture anger 　　beauty behavior cancer capacity childhood 　　comfort concern confidence courage death 　　democracy depression design duty economy 　　education energy environment evil existence 　　experience failure faith fashion fear 　　finance freedom fun growth happiness 　　health help history independence industry 　　insurance intelligence joy justice labour 　　loneliness love luck magic marriage 　　mercy music nature patience peace 　　philosophy pleasure policy poverty power 　　pride protection purity reality relief 　　religion respect safety security silence 　　sleep strength status technology time 　　trade training transport travel trust 　　truth violence waste w (3) Material

terms: 1. Gas: air, gas, smoke, steam, oxygen, hydrogen, etc. The most commonly used unit of measurement for gases is "cubic meter" or "cubic foot". Example: 1 m3 of gas costs only 65 days in the United States. ）2. Liquids: water, oil, tea, coffee, wine, beer [bi+] (beer), milk, coke [kouk] (Coca Cola), gasoline, etc. The commonly used liquid measurement methods are as follows: cc=cm3 (cubic centimeter [cm]) liter=1000cc (liter) gallon=4 liters (gallon) or weight such as kilograms (kg.), tons (ton), etc. Example: My new car runs 45 km a gallon (of gasoline) (my new car can run 45 kilometers per gallon of gasoline). ）3. Powdered or fine-grained items: flour, salt, sugar, rice, sand, etc. The unit of measurement for powdery or fine-grained items is usually a container or weight. Example: They sell flour by the sack [s $k]. ）Note: Rice can be measured in "grains", but in daily life, such as how much rice to buy or how much rice a family of five needs for two meals a day to cook, it is obviously impossible to use "grains" to measure. This is why "rice" is classified as a material noun. But sometimes we say that a person is good at writing fine characters and can write twenty words on a grain of rice. At this point, one grain of rice is the correct expression, which means a grain of rice in English. He ate up every grain of rice. ）4. Block shaped objects (products): Common block shaped objects (products) can be further distinguished as follows: (a) Food: bread (bread), Butter, chocolate, meat, etc. (b) Daily necessities: chalk, paper, money, soap, etc. (c) Minerals: copper, gold, iron, silver, etc. (d) Raw materials/materials: brick, clay, cloth), cotton, earth, glass, stone, wood, wool, etc.

3. The most expensive mate

『SILVER Official Website SERVICE』