ตัวกรองผลการค้นหา
คลิกที่แต่ละคำเพื่อดูรายละเอียด
(การพิมพ์) ลวดเหล็กกล้าสำหรับเย็บสันหนังสือที่เข้าเล่ม มีขนาดที่ใช้กันอยู่ 18 by 20 ถึง 26.by 32 gaug ลวดแบน ผลิตจำหน่ายม้วนละ 5 ปอนด์ พันแกนกระดาษ
(english) A process for making steel by blowing air through molten pig iron contained in a refractory lined vessel so that the impurities are thus removed by oxidation.
(Environmental Engineering) The suspension of particles by sufficient upward velocity of the fluid. During fluidization the gravity force is overcome by a combination of buoyancy and fluid friction.
(Concrete Engineering) A fragment, usually of flaky shape, detached from a larger mass by pressure, expansion from within the larger mass, a blow, or by the action of weather.
(Environmental Engineering) The conversion of atmospheric (or dissolved) nitrogen gas into nitrate by microorganisms.
(Environmental Engineering) A bond in which electrons are shared approximately equally by two atoms.
(english) A property of an object measured by the degree that it resists acceleration.
(Concrete Engineering) The product obtained by pulverizing clinker consisting essentially of hydraulic calcium silicates.
(Environmental Engineering) Organisms which possess a nuclear membrane. This includes all known organisms except viruses and bacteria.
(english) 1) Process of cutting metal by a stream of fuel and oxygen, 2) to permanently damage a metal or alloy by heating to cause either incipient melting or intergranular oxidation.
(Concrete Engineering) The plane along which a structure under stress will tend to fracture; may exist because of the nature of the structure and its loading, by accident, or by design.
(english) A pen or ink line drawing reproduced (printed) on sensitized paper by direct exposure.