potassium 中文意思是什麼

音標 [pə'tæsjəm]
potassium 解釋
n. 名詞 【化學】鉀。

  1. It can also restrain the decomposition of organic substances in the soil and the bind of nitrogen, and wash away the nutritious elements, such as magnesium, calcium, and potassium. the acid rain deprives the soil. it acidifies the rivers and lakes, and dissolves the heavy metal in the soil into water, therefore poisons the fish

    它可以直接使大片森林死亡,農作物枯萎;也會抑制土壤中有機物的分解和氮的固定,淋洗與土壤粒子結合的鈣、鎂、鉀等營養元素,使土壤貧瘠化;還可使湖泊、河流酸化,並溶解土壤和水體底泥中的重金屬進入水中,毒害魚類;加速建築物和文物古跡的腐蝕和風化過程;可能危及人體健康。
  2. In metabolic acidosis the reverse process occurs, and the excess hydrogen ion exchanges for sodium with retention of greater amounts of potassium

    在代謝性堿中毒中,會出現相反的過程,過多氫拿交換使得大量的鉀離子保留在體內。
  3. Catalysis - fluorescence determination of trace nitrite based on the oxidation of acridine orange by potassium bromate

    催化熒光法測定痕量亞硝酸根
  4. After analyzing purple soil sampled from neijiang, leshan ofsichuan provinec and yuanmou of yunnan province, the contrast results of microbe quantity feature between surface and subsurface purple soil were obtained as follows. the content of soil organic matter, total and available nitrogen, phosphorous and potassium of surface was higher than subsurface, not relating to the type of purple soil and soil utilization way. the quantity of microbe _ bacteria, actinomyces and mould in surface purple soil was higher than subsurface, which indicated that the organic matter and airy condition in surface soil was more suitable for microbes growing. there was the same tendency in profile change of microbe quantity in purple soil located in temperate _ humid climate of sichuan basin in contrast with dry _ hot climate of yuanmou, yunnan. the nutrient situation of purple soil in sichuan basin shown that state of surface was better than subsurface, while in yuanmou of yunnan the state was on the contrary due to the degradation of surface soil

    實驗室對四川內江、樂山和雲南元謀不同類型紫色土表層和亞表層微生物數量特性的比較分析表明:土壤有機質、氮磷鉀全量及其速效量均表現為表層高於亞表層,與紫色土類型和利用方式無關;三大類土壤微生物細菌、放線菌和黴菌數量均表現出表層高於亞表層,表明紫色土表層的有機質和通氣性優于亞表層,適宜於這三大類微生物生長;溫濕氣候條件下的四川盆地和乾熱氣候條件下的雲南元謀其紫色土微生物數量的剖面變化具有相同的趨勢,唯土壤營養狀況在四川盆地紫色土中表現為表層優于亞表層,而在雲南元謀紫色土中由於表層土壤的退化作用表現為亞表層優于表層的相反情況。
  5. Whether endogenous or iatrogenic, excesses of adrenocortical hormones have long been known to be associated with potassium deficiency.

    早已知道不論內源性或醫源性,腎上腺皮質激素過多均可引起缺鉀。
  6. Its chemi - cal composition mainly contain potassium, natrium, calci - um. 1. the potassic feldspar ; 2. the albite ; 3. the anorthite

    長石是一類礦物的總稱,化學成分是鉀鈉鈣。
  7. When undertaking alexipharmic to contaminative birdhouse, must clean with eradicator first with defecate, solution of accept of second chloric acid disinfects reoccupy, use formalin and potassium permanganate fumigation finally

    對污染的禽舍進行消毒時,必須先用去污劑清洗以除去污物,再用次氯酸納溶液消毒,最後用福爾馬林和高錳酸鉀熏蒸消毒。
  8. The experimental results showed that in the condition of this experiment four algaecides all had strong removing rate on algae, and their removing rate increased with dose increasing, and decreased with algae density increasing. according to the removing rate on algae and cost value or so, the sequence of four algaecides from good to bad were potassium permanganate, copper sulfate, hydrogen peroxide and sodium hypochlorite. in the condition of this experiment, the suitable dose of potassium permanganate was 0. 8mg / l, the algal removing rate was beyond 90 % and the cost of this algaecide was only 0. 0068 / m3. the efficiency of algae removal by four algaecides for huanghe river water was studied. the results showed that the majority of huanghe river water was bacillaroiphyta, and the dominant genera was melosira, which reached 78 % ~ 94 %

    結果表明,在實驗條件下,四種殺藻劑均具有一定的殺藻效果,藻類去除率均隨藥劑投量的增加而提高;原水藻類數量影響殺藻劑殺藻效果,四種殺藻劑的藻類去除率均隨原水藻類數量的增加而降低;通過殺藻效果、經濟性以及安全性等方面的綜合比較,對于以有毒藍藻為優勢藻屬的引灤水,四種殺藻劑的優劣程度從優到劣排序為:高錳酸鉀硫酸銅過氧化氫次氯酸鈉;在實驗條件下,高錳酸鉀適宜投加量為0 . 8mg l ,藻類去除率高於90 ,所需的藥劑費用僅為0 . 0068元m ~ 3 。
  9. A - type crystal structure potassium. it is a kind of aluminosilicate of alkali metal

    3a型分子篩是指a型晶體結構鉀型,是一種堿金屬的硅鋁酸鹽。
  10. Alkalosis and potassium depletion may be pronounced.

    可能有堿中毒和缺鉀。
  11. Thus, in alkalosis, the increased potassium ion excretion in exchange for sodium ion permits hydrogen ion conservation

    因此在堿中毒中,鈉鉀交換的增加使氫離子保留。
  12. In addition, movement of hydrogen ions into the cells as a consequence of potassium loss is partly responsible for the alkalosis

    此外,鉀丟失的引起氫離子向細胞內轉移,這也是堿中毒的其中一個原因。
  13. Hypokalemia itself may produce a metabolic alkalosis, since an increase in excretion of hydrogen ions occurs when the concentration of potassium in the tubular cells in low

    低鉀血癥可引起代謝性堿中毒,因為當在腎小管細胞中鉀離子濃度降低時氫離子的排泄就增加了。
  14. Without potassium the iron and aluminum are much more soluble.

    沒有鉀存在的話,鐵和鋁的溶解度要大得多。
  15. Theproduction an d requirement status of potassium sulfat e at home and abroad was introducedin brief. the advantage and disadvantage of mirabilite method , alunite co mprehensiveutilization method , mannheim method and associated replacement method , which are beingused i n the production of potassium aulfate in china , are introduced and analyzedemphatically. the views on t he development of potassium sulfate industry in china areput foward by the author

    簡要介紹了國內外硫酸鉀生產及需求現狀,重點介紹和分析了我國目前應用的芒硝法、明礬石礦綜合利用法、曼海姆法和締置法的優缺點,並對我國硫酸鉀工業今後的發展提出了自己的看法。
  16. The root exudation of grain amaranth and its role in release of mineral potassium

    富鉀植物籽粒莧根系分泌物及其礦物釋鉀作用的研究
  17. It is important that study gamma - ray spectrometry of field rock and soil in the earth ' s crust. its energies range between 30kev and 3000kev, where there is much information of natural radioactive nuclides, such as uranium, thorium, potassium, and information of artificial radioactive nuclides, such as cesium, americium, cobalt, and information of the results in interaction between gamma - ray and earth ' s crust

    研究表明:野外地面射線能譜測量主要研究地殼巖石土壤中產生的能量約為30kev 3000kev的射線,這裡面包含著鈾、釷、鉀等天然放射性核素信息,核工程活動產生的大量人工放射性核素信息以及射線與地殼相互作用產生的相關信息。
  18. Potassium bis trimethylsilyl amide

    雙三甲基硅酰胺鉀
  19. The usual counter-ions are sodium, potassium and ammonium.

    反離子通常是鈉,鉀和銨。
  20. Produces potassium nitrate, ammonium chloride and sodium nitrate

    -含通信娛樂以及相關便民信息等。
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