alkaline earth metal 中文意思是什麼

alkaline earth metal 解釋
堿土金屬
  • alkaline : adj. 堿的,含堿的,堿性的;強堿的。n. 堿性。
  • earth : n 1 〈常E 〉 地球。2 大地,陸地,地面,地上。3 土壤,土。4 【化學】土類;泥。5 世界人類;人的軀體...
  • metal : n 1 金屬;金屬製品;金屬合金。2 【化學】金屬元素;(opp alloy);金屬性。3 【徽章】金色;銀色。4 ...
  1. Exploration and research of miniaturization of property experiment of alkaline - earth metal compunds

    堿土金屬化合物性質實驗的微型化研究
  2. From the aspects of agricultural economic and environmental ecological effects, were the effects and mechanism of rare - earth micro - fertilizer to improve the growth, development, quality and yield of the crops ; the adjustment of crops growth by influencing the number of microbial population in soil district and the function of the soil dehydrase, alkaline phosphatase, urease and sucrase ; the ecophysiological effects of alleviating the injure of acid rain, ultraviolet radiation, heavy metal on crops were illustrated ; the sureness of bee ' s use in agricultural was provided, according to the rule of the distribution and enrichment of be in crops

    摘要從農業經濟效應和環境生態效應二方面,論述了稀土肥料促進作物生長、發育,提高作物產量,改善作物品質的效應與機理;影響土壤區系中微生物種群數量和土壤脫氫酶、堿性磷酸酶、脲酶及蔗糖酶的功能,繼而反饋調節作物生長;緩解酸雨、紫外輻射和重金屬傷害作物的生態生理學效應;並以稀土在作物體內分佈與富集規律為參考,探討了稀土農用的安全性。
  3. Study on the relationship between the melting point the hardness of the alkaline earth metal oxide and the electron structure

    堿土金屬氧化物熔點和硬度變化規律與電子結構的關系
  4. ( 1 ) for the first time, compositing the chemical compounds of alkaline - earth metal with the adsorption material, 13x molecular sieve, silica gel, and activated alumina to gain a series of composite adsorbents with good performance that higher adsorption capacity and lower regeneration temperature and suitable for adsorption refrigeration systems that can be driven by low - grade thermal energy

    首次將堿土金屬化合物及其鹽類與傳統吸附材料13x分子篩、硅膠和活性氧化鋁等復合,制取具有較高吸附量和較低再生溫度的適合於以低溫熱能驅動的吸附製冷過程的一系列優良復合吸附劑。分別在自製的吸附製冷、除濕製冷模擬實驗裝置上,測得該系列復合吸附劑與水和乙醇組成的吸附製冷工質對的吸附製冷性能以及除濕製冷性能均優于傳統吸附劑( 13x ,硅膠和活性炭) 。
  5. The paper developed a novel method of preparation of potassium ferrate by hypochlorite oxidation, and determined the optimal parameters. the experimental results demonstrate that fe ( vi ) compounds with high purity and yield can be prepared by raw technical materials. a variety of fe ( vi ) cathode materials, synthesized by potassium ferrate and alkaline - earth metal salts, provide a high - energy electrochemical discharge

    採用改進的次氯酸鹽氧化法(濕法) ,以工業級的原料,在實驗室內,從1到4倍率規模合成高純度、高收率的fe ( )化合物起始物? ?高鐵酸鉀,純度可達98 、收率在80以上;再以高鐵酸鉀為原料合成堿土金屬fe ( )化合物或其他fe ( )復合物,其中堿土金屬fe ( )化合物純度可達94以上。
  6. By means of static and dynamic experiments, lots of research on the effect of micro - quantity heavy metal ions ( hmi ) removal by weakly basic anion exchange resins ( wbaer ) from drinking water ( dk ) with alkali metals, alkaline - earth metals and anions at high concentration, has been done

    本文採用靜態和動態兩種試驗方法,對弱堿性陰離子交換樹脂在堿金屬、堿土金屬離子以及陰離子相對較高濃度的背景下去除飲用水中微量重金屬離子(以hg2 +為研究處理對象)的效果進行了大量試驗研究。
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