calcium hardness 中文意思是什麼

calcium hardness 解釋
水的鈣硬度
  • calcium : n. 【化學】鈣。
  • 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。
  1. Removing water hardness ion, such as calcium, magnesium

    去除硬度離子如鈣鎂等離子
  2. Surface active agents - preparation of water with known calcium hardness

    表面活性劑已知鈣硬度水的制備
  3. Micro - bore calcium silicate without rock cotton is a white, hard new thermal insulation material which has the features of light unit weight, high hardness, low heat conduction coefficient, heat resisting, corrosion - proofed, cuttable and sawable, and widely used in the pipeline of electric, metallurgy, petrochemistry, architecture and shipbuilding industry, and heat resisting, fireproofed and soundproofed equipment of the house wall

    無石棉微孔硅酸鈣是一種白色、硬質的新型保溫材料，具有容重輕、強度高、導熱系數小、耐高溫、耐腐蝕、能切、能鋸等特點被廣泛應用於電力、冶金、石化、建築、船舶等領域的設備管道、墻體屋面的保溫隔熱和防火隔音。
  4. The crystal is applied to the papermaking that can raise whiteness and non - transparency, remains - proportion of the crystal is higher than the usual light calcium carbonate. as for plastics, it can improve impact strength in the plastics, its inhibiting - burning capability is advancing bigger than the common inhibiting - burning material of magnesium hydroxide. concerning the thermo tropic adhesives, the physical property of compound - packing is higher than the one of single - packing, namely remover strength, softening point, hardness, climate tolerance and the speed of consolidation are high

    晶須作為造紙填料，可使紙張的白度和不透明度提高，留著率比造紙常用填料輕質碳酸鈣高；用作塑料填料，可使塑料的沖擊強度提高，阻燃性能比常用阻燃材料氫氧化鎂有較大的提高；添加到熱熔型膠粘劑中，與輕質碳酸鈣混合使用可明顯提高熱熔膠的剝離強度、軟化點、硬度、耐侯性以及固化速度。
  5. Surface active agents. preparation of water with known calcium hardness

    表面活性劑.已知鈣質硬度的水的制備
  6. The source of hardness of water is the existence of dissolved calcium, magnesium and other metallic ions, which is harmless to humans

    水中存在溶解之鈣鎂等金屬離子物質為硬度來源，對健康無影響。
  7. One group ( the soft water group ) of fish were exposed to the cd2 + concentration of 0. 00 mg / l 0. 06 mg / l 0. 30 mg / l1. 50 mg / l, the other group ( the hard water group ) were exposed to the same cd2 + concentration but increase the hardness of water to 16 degree ( germany degree ) by add calcium chloride into the solution

    實驗中將草魚置於鎘濃度分別為0 . 06mg l 、 0 . 3mg l 、 1 . 5mg l的水溶液中，每個梯度又分成軟水組和硬水組，同時設軟水對照和硬水對照，共8個組。軟水組為自來水，硬水組為通過向水中加入cacl _ 2 ，使其硬度為16度（德國度） 。
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