A ScrollChiller is a machine that transfers the heat of a cooled object with a lowertemperature to the environment medium to obtain cold energy. The heattransferred from a lower temperature object is traditionally called coldness.The working fluid in the Scroll Chiller that participates in the change of thethermal process (energy conversion and heat transfer) is called refrigerant.
Caffeinein pharmaceuticals is considered as a drug that acts as a stimulant for thecentral nervous system (CNS). It is one of the most widely used drug in theworld and is known for containing psychoactive substances. It is a bittersubstance containing white crystalline like purine, mostly methylxanthinealkaloid. The main usage of caffeine is to prevent the consumer from drowsinessand improve their
Asthe pace of life has gradually increased and the standard of living hasgradually improved, more and more people have no time to take care of theirfamilies in recent years, so in-room person centered technology has begun to bewidely used. In-room person centered technology refers to technology andprocedures applied in care facilities, and is involved in areas such as boardand care homes for aged
K–12 for kindergarten to 12th grade, indicates the sum of primary and secondary education. A preschool, also known as nursery school, pre-primary school, playschool or kindergarten, is an educational establishment or learning space offering early childhood education to children before they begin compulsory education at primary school. A primary school is a school in which children receive primar
The main component ofliquefied natural gas is methane, which is recognized as the cleanest fossilenergy on earth, colorless, odorless, non-toxic and non-corrosive. Themanufacturing process is to first purify the natural gas produced in the gasfield, after a series of ultra-low temperature liquefaction, and then transportit by liquefied natural gas ships. After being burned, LNG has very little air
K-12 is the abbreviation for kindergarten through twelfth grade, which refers to the two grades from kindergarten (5-6 years old) to twelfth grade (17-18 years old), which are the two grades at the beginning and end of free education in the United States, Australia and the United Kingdom and Canada, in addition to primary schools (7-12 years old), middle school (12-15 years old), and high school (
Furniturehardware is the fixings, fittings and individual pieces needed to create aworking, durable piece of furniture to enhance its functionality or appearance.Metal parts with functions such as movement, fastening, pull basket,decoration, etc., also called furniture accessories. As early as the Spring andAutumn Period and the Warring States Period, China had copper hinges forcabinets, corners f
Desktopas a service (DaaS) is a cloud computing solution that refers to virtualdesktops hosted in the cloud provided by service providers. The advantages ofcloud-hosted desktops are simpler PC management, better security, disastertolerance and business continuity capabilities, lower management and hardwarecosts, rapid deployment, better support and reliability, and usually costlylow.
RTA(ready-to-assemble) wooden furniture is also called furniture to be assembledor furniture assembled with specification parts. It is a furniture with the maincharacteristics of component production, sales and on-site assembly, whichclarifies the concept of component is product, realizes standardization andserialization, and ensures its high quality with high precision or specialequipment control
E-commerceis short for electronic commerce, which refers to trading activities andrelated service activities conducted electronically on the Internet, intranetsand value-added networks, as well as the electronic and networked aspects oftraditional business activities. Food e-commerce, on the other hand, is amarket where retailers or brand owners sell food products directly to customersvia the Inte
Inthe eyes of most people, ceramic and porcelain are of the same concept, infact, they are two different things. Thus, the tiles we usually use forbuilding or decoration are divided into ceramic tiles and porcelain tiles aswell. Ceramic tiles are made up of coarse clay and other non-metallicmaterials, by forming, sintering and other technology production of plate orblock pottery products; And porc
Network security protection is a kind of network security technology, which refers to technical means dedicated to solving problems such as how to effectively carry out intervention control and how to ensure the security of data transmission, so as to protect the hardware, software and system data in the network system, so that it can cause problems. In the event of damage, modification, or leakag
Fireprotection refers to the research and practice of mitigating the adverseeffects of potentially devastating fires. It mainly includes the personnelrescue of the fire scene, the rescue of important facilities and equipment,cultural relics, the security and rescue of important property and fireextinguishing, etc., the purpose is to reduce the damage caused by the fire,reduce casualties and proper
Sugar-free beverages refer to sugars that do not contain sucrose, that is, starch hydrolyzed, such as glucose, maltose, etc., and generally use sugar alcohols and oligosaccharides and other sweeteners that do not increase blood sugar concentration as substitutes. The sweetness of sweeteners is dozens or even hundreds of times that of sucrose, but the energy content is very low. Therefore, only a s
Alocker is a small, usually narrow storage compartment. They are commonly foundin dedicated cabinets, very often in large numbers, in various public places suchas locker rooms, workplaces, middle and high schools, transport hub and thelike. They vary in size, purpose, construction, and security.
Metalinjection molding (MIM) is a metalworking process in which finely-powderedmetal is mixed with binder material to create a "feedstock" that isthen shaped and solidified using injection molding. The molding process allowshigh volume, complex parts to be shaped in a single step. After molding, thepart undergoes conditioning operations to remove the binder and densify thepowders. Finished product
Expandedglass bead is a kind of inorganic vitreous mineral material, which is processedby multi-stage silicon carbide electric heating tube type productiontechnology. It is irregular spherical particles, internal porous cavitystructure, glass closed surface, smooth luster, Stable physical and chemicalproperties, light weight, thermal insulation, fire resistance, high and lowtemperature resistance,
Critical illness insurance refers to the occurrence of specific major diseases, such as malignant tumors, myocardial infarction, cerebral hemorrhage, etc., which are handled by insurance companies. The insurance contract stipulates the commercial insurance act of paying insurance money. Critical illness insurance came out in South Africa in 1983. It was the surgeon Mari Usbarnard who first propose
Semiconductordry strip systems helps in removing photoresist or other residues from a waferduring each step of film deposition or diffusion processing during semiconductormanufacturing process, bringing higher productivity and flexibility.
Industrial energy efficiency refers to the benefits generated by consuming energy in the industrial production process. It is an input-output ratio, which refers to the ratio between the energy cost of the input and the income obtained by the enterprise. The lower the energy cost, it should generally be lower than The industry average, the higher its energy efficiency. Industrial energy efficiency
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