low hardness water 中文意思是什麼

low hardness water 解釋
低硬度水
  • low : adj 1 低的；淺的，矮的。 low flight 低飛。 a low temperature 低溫。 low tide [water] 低潮。 The g...
  • hardness : n. 1. 堅固。2. 冷酷無情。3. 苛刻。4. 困難。5. 硬性；硬度。6. 飛彈基地防禦核攻擊的能力。
  • water : n 1 水；雨水；露；〈常作 pl 〉 礦泉，溫泉；藥水。2 〈常 pl 〉水體；水域；水道；海；湖；河；海域；...
  1. The public desires water which is low in hardness and total solids, noncorrosive, and non-scale-forming.

    人們希望水的硬度及固體含量都低，無腐蝕性，不生成水垢。
  2. According to these, the paper put forward some countermeasures : select low carbon steel or low metal alloy steel with lower intensity, like 20r steel ; while welding, adopt strict craft measures with lower welding heat to input ; after jointing, proceed the whole hot dissolving on time ; control each welding joint with hardness hb 185 ; add 0. 25 % water into the liquid ammonia as decay eclipse ; enhance checking in operation, repairing equipment in time through regular interior and exterior checking

    針對上述原因提出了防止氨冷器類臨氨壓力容器產生應力腐蝕裂紋的對策：選用強度稍低，但抗裂性較好的低碳鋼和低合金鋼，如用20r鋼製造；焊接時應採用嚴格的工藝措施和較低的焊接熱輸入量；焊后應及時進行整體消除應力熱處理；控制焊接接頭各區硬度hb 185 ；在液氨中添加0 . 25 %的水作為緩蝕劑；在運行中加強檢查，及時進行停車檢修時的內外部檢查和定期檢驗。
  3. Soft pu rollers were used for printing and glazing industry. hard pu rollers were used for iron and steel industry. other polyurethane elastomer such as pu slice, pu bar, pu piece were widely used in all kinds of machine for reduce attrition, acid - resistant, water resistance, insulation with higher toughness, tear strength and low hardness

    4 .耐濕性能好，可在水為介質的條件下工作，且在水油等介質的情況下，鑫發聚氨酯與物料的摩擦系數降低，更利於透篩，提高篩分效率，並可避免潮濕微粒的粘附，同時因磨擦系數降低，磨損減少，使用壽命提高。
分享友人
分享到 Line

分享到臉書