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การลดน้ำแบบกะทันหัน : ดู [[suden drawdown]]
(Environmental Engineering) The amount of oxygen required to oxidize any ammonia present in a water.
(Software Engineering) the activities associated with changes to software after it has been delivered to end-users
(Software Engineering) a deliverable that describes all data, functional and behavioral requirements, all constraints, and all validation requirements for software
(english) Compressive, shear, tensile or transverse strength of a mold sand mixture when baked at a temperature above 231 B0F (111 B0C) and then cooled to room temperature.
(Software Engineering) descriptive information
(Concrete Engineering) A property of a solid that indicates its ability to withstand bending.
(english) A small grinding machine for shaping and sharpening the cutting edges of tools.
(Environmental Engineering) In wastewater treatment, the conversion of the suspended, colloidal and dissolved organics remaining after primary treatment into a microbial mass with is then removed in a second sedimentation process. Secondary treatment included both the biological process and the associated sedimentation process.
(Concrete Engineering) Air in concrete which is not purposely en-trained, Entrapped air bubbles are normally much larger and more irregular than entrained air bubbles.
(Environmental Engineering) A benzene ring named as a constituent group, C6H5-.
(Concrete Engineering) In prestress concrete, the device used to stress the tendons.