potassium ions 中文意思是什麼

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。

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。

The usual counter-ions are sodium, potassium and ammonium.

反離子通常是鈉，鉀和銨。

Researches on resistance to downy mildew induced by copolymer of chlorine and potassium ions in cucumber

氯鉀離子共體誘導黃瓜對霜霉病抗性的研究

It makes soils more acid since cations ( e. g. potassium and magnesium ) are replaced by hydrogen ions

它能使土壤酸化，因為陽離子（如鉀離子和鎂離子）被氫離子所代替。

Potassium ions balance anions and organic acids, and are thus important in osmoregulation, the control of stomatal opening, and leaf movements ( through their effects on the turgor of pulvini )

鉀離子平衡陰離子和有機酸，因此在滲透調節、控制氣孔的開閉以及葉運動（通過葉枕膨大的影響）中很重要。

When using the method of periodically renewing electrolyte, the average current efficiency is 47. 3 % ( ii ) the solubility of k2feo4 in the solution of naoh is higher than that of the same concentration of koh solution and both of them become low with the growth of the alkaline concentration. the solubility of k2feo4 in the mixed solution of koh and naoh was influenced by both of common ions effect and salting - out effect and the influence of common ions effect is more heavy. the rate of methanol ' s reacting with k2feo4 is proportional to the content of water in the solid k2feo4. the stability of the potassium ferrate solution is far below the solid

（ 2 ） k _ 2feo _ 4在naoh溶液中的溶解度高於同濃度koh溶液中的溶解度，且溶解度均隨著堿溶液濃度的增大而降低； k _ 2feo _ 4在koh和naoh混合堿溶液中的溶解度，受到同離子效應和鹽效應的共同影響，且同離子效應的影響更大；固態k _ 2feo _ 4被甲醇還原的速度與甲醇或固態k _ 2feo _ 4的含水量成正比； k _ 2feo _ 4溶液的穩定性遠遠低於固態k _ 2feo _ 4 ，少量水的存在，可促使k _ 2feo _ 4按溶解?分解?再溶解?再分解的過程分解。

The authour investigate the dosing conditions and effect of the pac to the huanghe water - source, which includes the following four parts : the selection of the pac ; the confirmation of dosing scheme and effect of the pac ; the research of application of potassium permanganate in combination with pac ; the research of the pac ' s modification and the modified effectiveness. the experiment is mainly carried out on the pilot system in the jieyuan water plan of tianjin. the results of the reseach include the following : l ) the pac from zunhua plant is selected as the better carbon for the source water of tianjin through the experiment ; 2 ) through the pilot experiment we conclude that the pac ' s best adding point is the mixing tank and the better dose is 10mg / l, on which the codmn of filtered water can be decreased to 40 % and the effluent have no problem of odour and color ; 3the adsorbing experiment show that pac mainly adsorb the organic matters which molecular wt., distribution between 500 and 3000, and can adsorb organic matters whose molecular wt., distribution are bigger than 6000 if the dose of it is adequent ; 4 ) pac together with potassium permanganate can remove the organic matter more effectively than each of them alone, and reduce the rising trend of turbidity of the flotation ' s effluent due to adding pac ; 5 ) the thesis made a research on the surface properties and the adsorbing capability of the modified carbon by oxidizer : the modified carbon with 20 % h2o2 can remove more organic pollutants than the untreated one by 12 % when we add a higher dose of coagulant ; 6 ) the modification of reduction and loading metal ions are also sttldied, and drow the following conclusions : the modified carbon with 5 % ammonia can enhance the organic matter ' s removal effectiveness by 10 % to the tianjin source water than the untreated one, and the modified one with loading metal ion remove the organic matters from the tianjin source water better ( 8 % ) than the untreated one due to the strong affinity betwween the humic acid and copper ion

本文的實驗主要是在天津芥園水廠的中試系統上完成的，論文的成果和結論主要包括： 1 ）通過靜態實驗選定河北遵化活性炭廠生產的煤質炭為適合天津原水的炭種； 2 ）中試實驗確定粉末活性炭的較佳投加點為混合池投加，較佳投加量為10mg l ，此時可使濾后水的cod _ （ mn ）降低40 ，且可較好地控制濾后水的嗅味和色度； 3 ）初步確定粉末活性炭對原水中有機物的吸附主要集中在分子量在500 - 3000范圍內，投量增大時可吸附部分分子量大於6000的有機物4 ）中試實驗表明：粉末活性炭與高錳酸鉀聯用可取得較兩者單獨應用時對有機物更好的去除效果，且對因投加粉末活性炭而造成的氣浮出水濁度升高有一定的改善作用； 5 ）研究並初步確定氧化改性對粉末活性炭表面性質和有機物的去除效果的影響：粉末活性炭的氧化改性會使其表面的酸性官能團大量增強，表面極性增加；經20的過氧化氫改性的活性炭在增大混凝劑投加量（ fecl _ 3投量為15mg l ）時對有機物的總體去除效果較原活性炭提高12 ， 1次氯酸鈉改性活性炭對有機物的去除效果較原活性炭提高6 ； 6 ）研究並初步確定還原改性、負載金屬離子對原水中有機物的去除效果的影響：經5氨水改性的活性炭可提高天津源水中有機物的去除率達到10 ；負載銅離子后的活性炭可提高對腐殖酸類物質的去除能力，一般可提高8左右。

A study of adsorption properties of potassium ions by the crown - type of alkyd resin

冠合型醇酸樹脂對鉀離子的富集性能研究

During soleus exposing to high - frequency stimulation, potassium ions accumulation and sodium ions exhausting are formed rapidly in t - tubule. the ion concentration alterations in t - tubule lead to a depolarization block of t - tubular action potential, then inhibit the function of l - type ca2 + channels

萎縮使sol肌纖維t管內k ~ +更易集聚， na ~ +更易耗竭，動作電位由t管向內傳導易受到阻滯，從而使l型鈣離子通道功能受抑制。

It is the movement of potassium ( and also sodium ) ions that causes the electrical impulses that nerve cells carry ? including the impulses found in slow - wave sleep

正是鉀離子（還有鈉離子）的活動引起了在神經細胞中傳導的電脈沖，包括在慢波睡眠中的脈沖。

In view of improving the efficiency of fertilizer, we paid more attention to the effect of water dynamic process and strength on nutrient availability. in this research, by model test, four kinds of agricultural soils were studied, concerning about the effect of drying - wetting alternation and temperature on potassium availability, ions " diffusion in soils under different levels of water content, and the distribution coefficient of potassium between solution and soil phases

因此，本研究通過室內模擬土壤水分的動態變化，對水分變化的過程（干濕交替不斷進行）和變化強度對養分有效性的影響，不同水勢狀態下養分離子在固、液相間的分配關系，以及不同水分條件下養分的擴散遷移規律等方面進行了探討。

It is a true solution of ions ( e. g. potassium, sodium, and chloride ), small molecules ( e. g. sugars, amino acids, and atp ), and a colloidal solution of large molecules ( e. g. proteins, lipids, and nucleic acids )

它是含離子（鉀離子，鈉離子還有氯離子） ，小分子（糖，氨基酸， atp ）還有大分子膠體（蛋白質，脂肪，核酸）的溶液。

At the same temperature ( 25 ), soil bulk density ( 1. 3g / cm3 ) and concentration of applied ions ( 0. 014g / cm ), the value of chlorine diffusion coefficient ( dei ) increased linearly with water content, and that of potassium ( dk ) increased exponentially or power - lawly

25c 、非飽和條件下，四種土壤o一、義的擴散系數均隨含水量的增加而增大，前者隨含水量呈線性增加，後者呈指數函數增加或冪函數增加。

Inthe past 2, 000 - 3, 000 years, for example, europeans have undergone changes inthe gene for a protein that moves potassium ions in and out of nerve cells andtaste buds

在過去的2000 ~ 3000年，比如，歐洲人進化出了一種蛋白質的基因，此種蛋白質可以運送鉀離子進出神經細胞和味蕾。