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ค้นเจอ 1,037 รายการ

Aecm, Ae1, and Ae3

(english) Equilibrium transformation temperatures in steel.

inferior figures and letter

(การพิมพ์) สัญลักษณ์ ซึ่งใช้ตัวพิมพ์เลขตัวเล็กวางต่ำกว่าอักษร เช่น C8II8OII

bell and spigot connection

รอยต่อ (ท่อ) แบบปากระฆัง

Boron (chemical symbol B)

(english) Element N. 5 of the periodic system. Atomic weight 10.82. It is gray in color, ignites at about 1112 (degrees) F. and burns with a brilliant green flame, but its melting point in a non-oxidizing atmosphere is about 4000 (degrees) F. Boron is used in steel in minute quantities for one purpose only- to increase the hardenability as in case hardening and to increase strength and hardness penetration.

Catabolism

(Environmental Engineering) The production of energy by the degradation of organic compounds.

Rock Pocket

(Concrete Engineering) Area or portion of hardened concrete which is deficient in mortar and consisting primarily of coarse aggregate and open voids; caused by insufficient consolidation or separation during placement, or both; by leakage from form.

Consolidation

(Concrete Engineering) Compaction usually accomplished by vibration of newly placed concrete to minimum practical volume, to mold it within form shapes and around embedded parts and reinforcement, and to eliminate voids other than entrained air.

Center of Gravity (CG):

(english) The location of the resultant of gravity forces on an object or objects: sometimes called center of mass.

Dispersing Agent

(Concrete Engineering) An admixture capable of increasing the fluidity of pastes, mortars, or concretes by reduction of interparticle attraction.

Equilibrium:

(english) An object is in equilibrium if the resultant of the system of forces acting on it has zero magnitude. See static equilibrium and dynamic equilibrium.

Software safety

(Software Engineering) an SQA activity that focuses on the identification and assessment of potential hazard that may have a negative impact on the operation of software

Magnetite

(Concrete Engineering) An aggregate used in heavy weight concrete, consisting primarily of ferrous metaferrite (Fe304). A black magnetic iron ore with a specific gravity of approximately 5.2 and a Mohs hardness of about 6.

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