ตัวกรองผลการค้นหา
กระแสสลับ
หมายถึง[-สะหฺลับ] น. กระแสไฟฟ้าซึ่งเคลื่อนที่โดยสลับแนวทิศอยู่ตลอดเวลา. (อ. alternating current เขียนย่อว่า A.C.).
Bearing Strength
แปลว่า(english) The maximum bearing load at failure divided by the effective bearing area. In a pinned or riveted joint, the iffective area is calculated as the product of the diameter of the hole and the thickness of the bearing member.
Revibration
แปลว่า(Concrete Engineering) Delayed vibration of concrete that has already been placed and consolidated. Most effective when done at the latest time a running vibrator will sink of its own weight into the concrete and make it plastic and workable again.
Boron Steels
แปลว่า(english) The addition of boron in the range 0.0005-0.005% to certain steels increases the hardenability. A range of boron steels is now listed in the current BS 970 and are widely used for the production of cold headed fastenings.
Backwardation
แปลว่า(english) Market condition where the spot, or current price for a metal is higher than the three-month delivery price. This usually indicates immediate demand is perceived to be stronger than long-term demand. Not considered to be a "normal" market state (See Contango).
