ค้นเจอ 143 รายการ

พวงหยก

หมายถึงน. ชื่อไม้เถาขนาดกลางชนิด Strongylodon macrobotrys A. Gray ในวงศ์ Leguminosae ดอกสีหยกหรือสีนํ้าทะเล ออกเป็นช่อห้อยยาว.

Agglomerating Processes

แปลว่า(english) "Fine particles of limestone (flux) and iron ore are difficult to handle and transport because of dusting and decomposition, so the powdery material usually is processed into larger pieces. The raw material's properties determine the technique that is used by mills. 1) SINTER Baked particles that stick together in roughly one-inch chunks. Normally used for iron ore dust collected from the blast furnaces. 2) PELLETS Iron ore or limestone particles are rolled into little balls in a balling drum and hardened by heat. 3) BRIQUETTES Small lumps are formed by pressing material together. Hot Iron Briquetting (HBI) is a concentrated iron ore substitute for scrap for use in electric furnaces.

Blister Steel

แปลว่า(english) High-carbon steel produced by carburizing wrought iron. The bar, originally smooth, is covered with small blisters when removed from the cementation (carburizing) furnace.

Bloom 2

แปลว่า(english) A semi-finished hot rolled product, rectangular in cross section, produced on a blooming mill. For iron and steel, the width is not more than twice the thickness, and the cross-sectional area is usually not less than 36 sq. in. Iron and steel blooms are sometimes made by forging.

A Coatings

แปลว่า(English) Coatings on hot-dipped galvanized steels processed to convert the coating completely to zinc-iron alloys; dull gray in appearance, have no spangle, and after proper preparation, are well suited for painting.

Blasting (Blast Cleaning)

แปลว่า(english) A process for cleaning or finishing metal objects by use of an air blast or centrifugal wheel that throws abrasive particles against the surface of the work pieces. Small, irregular particles of steel or iron are used as the abrasive in grit blasting, and steel or iron balls in shot blasting.

Acid Brittleness (Pickling Brittleness)

แปลว่า(english) Brittleness resulting from pickling steel in acid; hydrogen, formed by the interaction between iron and acid, is partially absorbed by the metal, causing acid brittleness.

Acid-Brittleness

แปลว่า(english) Brittleness resulting from pickling steel in acid; hydrogen, formed by the interaction between iron and acid, is partially absorbed by the metal, causing acid brittleness.

Bessemer Process

แปลว่า(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.

clamp

แปลว่าปากกาสำหรับหนีบหรือจัดวัตถุ, แม่แรงอัด, วัดได้ด้วยปากกา C-clamp (ปากกาอัดรูปตัว C ประกับรูปตัว C ) iron T-bar clamp (แม่แรงอัดพื้นไม้) steel sash clamp (แม่แรงอัดพื้นไม้)

เหล็ก

หมายถึงน. ธาตุลำดับที่ ๒๖ สัญลักษณ์ Fe เป็นโลหะลักษณะเป็นของแข็งสีขาวเป็นเงาคล้ายเงิน หลอมละลายที่ ๑๕๓๖ °ซ. ใช้ประโยชน์ได้มากมาย เช่น ทำเหล็กหล่อ เหล็กพืด เหล็กกล้า. (อ. iron). ว. แข็งแกร่ง เช่น บุรุษเหล็ก.

Breakout

แปลว่า(english) An accident caused by the failure of the walls of the hearth of the furnace resulting in liquid iron or slag (or both) flowing uncontrolled out of the blast furnace.