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calcium hydroxide 氫氧化鈣。

calcium light

The low solubility of calcium zincate produced from the chemical reaction of zinc oxide and calcium hydroxide in alkaline solution can improve the cycling life the zinc electrode , and the discharge capacity will tend to be stable . furthermore , the effects of la2o3 additives on the electrochemical performances of zinc electrodes were investigated . the results shows that the addition of la2o3 , in zinc electrode can improve the area of reduction peak and the hydrogen evolution potential which means the cathodic hydrogen evolution reaction can be hindered 氧化鋅與氫氧化鈣在堿性溶液中化學反應生成的難溶于堿的鋅酸鈣可以使鋅電極的循環壽命得到提高,放電容量也趨于平穩,此外還考察了氧化鑭對鋅酸鈣電極電化學性能的影響,結果表明:添加適量氧化鑭能明顯改善鋅電極的電化學性能,使鋅電極的還原峰電位正移,電極反應可逆性得到改善,同時也可抑制鋅電極析氫反應的發生,提高了鋅電極的陽極電流,對陽極反應有一定的活化作用;同時還可以改善鋅電極的放電特性,增加電極的放電容量。

The effects of calcium hydroxide purity , sodium hydroxide concentration , and chlorination temperature on effective chlorine content of calcium hypochlorite have been tested . the results indicate that the higher calcium hydroxide purity is , the higher effective chlorine content of calcium hypochlorite is , that when sodium hydroxide concentration is 30 % , and chlorination temperature is 20 , the effective chlorine content of calcium hypochlorite is the highest 測試了氫氧化鈣純度、燒堿濃度和氯化溫度對漂粉精有效氯含量的影響.結果表明,氫氧化鈣的純度越高,漂粉精的有效氯含量越高;燒堿濃度為30 、氯化溫度為20時,漂粉精的有效氯含量最高

Abstract : the effects of calcium hydroxide purity , sodium hydroxide concentration , and chlorination temperature on effective chlorine content of calcium hypochlorite have been tested . the results indicate that the higher calcium hydroxide purity is , the higher effective chlorine content of calcium hypochlorite is , that when sodium hydroxide concentration is 30 % , and chlorination temperature is 20 , the effective chlorine content of calcium hypochlorite is the highest 文摘:測試了氫氧化鈣純度、燒堿濃度和氯化溫度對漂粉精有效氯含量的影響.結果表明,氫氧化鈣的純度越高,漂粉精的有效氯含量越高;燒堿濃度為30 、氯化溫度為20時,漂粉精的有效氯含量最高

Mineral trioxide aggregate ( mta ) is a new pulp capping material , which allows dental pulp to recover and promotes dentin bridge to form more effectively than some other pulp capping materials , for example , calcium hydroxide or formocresol , et al 摘要三氧化物多聚體是一種新的蓋髓材料,可以用于直接蓋髓或活髓切斷術,牙髓組織對其反應良好,尤其是修復性牙本質的形成狀況優于氫氧化鈣、甲醛甲酚等蓋髓材料。

The addition of calcium hydroxide in zinc electrode can reduce the solubility of zinc oxide and improve discharge capacity , cycling life and utilization of active material 在氧化鋅中加入氫氧化鈣能顯著降低氧化鋅在堿性溶液中的溶解度,明顯改善鋅電極的放電容量、循環壽命以及活性物質的利用率。

Capsule calcium hydroxide was synthesised by that phenol - formaldehyde resin in situ encapsulated calcium hydroxide . the thermal stability and mechanical properties of pvc mixed samples was studied 摘要采用界面聚合法制備了膠囊化氫氧化鈣,并探討其在pvc中的分散性和相容性。

Conclusion : calcium hydroxide iodoform paste used in root canal disinfection can decrease times of the block therapy on chronic periapical abscess with sinuses 結論:用氫氧化鈣碘仿糊劑根管內封藥消毒能夠減少有竇型慢性根尖周膿腫根管封藥消毒的次數,有利于竇道的盡快愈合。

In order to simulate working atmosphere of additives in concrete , the influence of additives on surface tension of calcium hydroxide solution is studied in this paper too 為了更好的模擬外加劑在混凝土中的工作環境,本文同時研究了外加劑在飽和石灰水溶液的表面張力。

Aim : to study the content alteration of bacterial endotoxin in the exudant from the root canals of periapical treated with calcium hydroxide as intracanal medicament 摘要目的:檢測氫氧化鈣封藥前后尖周病患牙根管內細菌內毒素的變化。

Objective : to observe the clinical effect of calcium hydroxide iodoform paste used in root canal disinfection on periapical abscess with sinuses 摘要目的:觀察氫氧化鈣碘仿糊劑運用于有竇型慢性根尖周膿腫根管內封藥消毒的臨床效果。

Conclusion : contents of bacterial endotoxin in the infections root canals can be cut down obviously with calcium hydroxide treatment 結論:氫氧化鈣可以明顯降低感染根管中的內毒素含量。

Surface tension of the calcium hydroxide solution is higher than that of water when the concentration of additive is the same 但同濃度下,石灰水溶液的表面張力要高于水溶液的表面張力。

Water . carbon dioxide . sulphuric acid . calcium hydroxide . alpha . beta 水。二氧化碳。硫酸。氫氧化鈣。阿爾法。貝塔。

The semi - dry fdg system uses calcium hydroxide and hot water chemicals 乾式法主要系注入粉狀吸收劑與