重離子含量 的英文怎麼說

中文拼音 [zhònglízihánliáng]
重離子含量 英文
heavy ion content
  • 重 : 重Ⅰ名詞（重量; 分量） weight Ⅱ動詞（重視） lay [place put] stress on; place value upon; attach im...
  • 離 : Ⅰ動詞1 （離開） leave; part from; be away from; separate 2 （背離） go against 3 （缺少） dispens...
  • 子 : 子Ⅰ名詞1 （兒子） son 2 （人的通稱） person 3 （古代特指有學問的男人） ancient title of respect f...
  • 含 : 動詞1 （東西放在嘴裏 不咽下也不吐出） keep in the mouth 2 （藏在裏面; 包含） contain 3 （帶有某種...
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 離子 : [物理學] ion
  1. Testing water - determination of sulphate ions - gravimetric method

    水的測試.硫酸鹽離子含量的測定.重量法
  2. Biosorption is a process that utilizes inexpensive active / dead biomass to sequester heavy metals and is particularly useful for the removal of contaminants from industrial effluents. compared with conventional methods such as ion exchange and precipitation with lime, the biosorption process offers the advantages of low operating cost, minimization of the volume of chemical and biological sludge to be disposed of, high efficiency in detoxifying very dilute effluents

    生物吸附技術是環境領域近年來迅速發展起來的處理工業污染廢水的新技術，它以各種生物（菌類或藻類）吸附廢水中的重金屬離子，具有吸附容量大，選擇性強，效率高，消耗少，並能有效的處理含低濃度重金屬離子廢水等優點。
  3. The recombinants were constructed by transforming ppic9 a - xynb into p. pastoris gs115. the assay results revealed that the xylanase gene xynb was overexpressed and secreted effectually in p. pastoris. in 3l fermentor the expression level of xylanase xynba exceeded 1200iu / ml and the expressed xylanase had normal bioactivity. the molecule weight of xynba was determined as about 31kd which is higher than 23kd of original enzyme xynb from streptomyces olivaceoviridis a1. xynbb was gotten by deglycasylation of xynba, whose molecule weight returned to 23kd. we comparised the enzymatic properties of xynba expressed in p. pastoris, xynbb deglycasylated from xynba and xynb produced from streptomyces olivaceoviridis al : there was little difference among the three enzymes on optimal ph, the optimal ph of xynb and xynba were both 5. 2, the optimal ph of xynbb was 5. 0 ; the optimal temperature of xynb and xynba were both 60 c, while the optimal temperature of xynbb was 50 ? ; because of glycosylation the thermal stability of xynba was better than xynb and xynbb ; the specific activity of xynba and xynbb were 883. 88iu / mg and 832. 5hu / mg respectively, which were both lower than 2814. 45iu / mg of xynb ; the km values of xynb and xynba were similar to each other which were 21. 56 ( g / kg ) and 20. 87 ( g / kg ), while the km value of xynbb was 27. 10 ( g / kg ) ; the fmax of xynba and xynbb were 4568umol / mg. min and 5329umol / mg. min respectively which were lower than 27623 umol / mg. min of xynb ; additionally all of the three enzymes did not display cellulase activity. they all had well resistance to pepsion and trypsin, and were not sensitive to metal iron, surface active agent and chelating agent. the analysis of different xylans enzymatic hydrolysate revealed : by xynba, that the main constitutions of enzymatic hydrolysate of birch wood xylans were xylotriose and xyloquaiose, which account for 68. 43 % and 16. 50 % respectively, additionally there was 11. 79 % of xylobiose ; the main constitutions of enzymatic hydrolysate of corncobs xylans were xylobiose and xylotriose, which account for 81. 78 % and 11. 55 %. the result indicated that this xylanase was a kind of 1, 4 - b - d - xylanohydrolase and was fit to used in industrial procession of xylooligosacc harides

    進一步對xynba進行了脫糖基化處理得到xynbb ，其分子量恢復到23kd ，證明xynba是糖基化蛋白。通過對畢赤酵母重組表達的木聚糖酶xynba 、脫糖基化的木聚糖酶xynbb以及橄欖綠鏈黴菌a1所產原酶xynb之間酶學性質的比較發現：三種酶的最適ph差異不大， xynb和xynba均為5 . 2 ， xynbb為5 . 0 ； xynb和xynba的最適溫度均為60 ， xynbb降為50 ：在耐熱性上， xynba由於糖基化作用熱穩定性明顯高於未糖基化的xynb和xynbb ； xynba和xynbb的比活性分別為883 . 88iu mg和832 . 51iu mg ，明顯低於原酶的比活2814 . 45iu mg ； xynb和xynba的km值相當，分別為21 . 56 （ g kg ）和20 . 87 （ g kg ） ，而xynbb的km值較大為27 . 10 （ g kg ） ； xynba和xynbb的vmax相差不大，分別為4568 mol mg ? min和5329 mol mg ? min ，明顯低於xynb的27623 mol mg ? min此外三種酶均無纖維素酶活性，對胃蛋白酶和胰蛋白酶有很好的抗性，且對作用環境中的各種離子、表面活性劑、螯合劑不敏感。通過對不同木聚糖的酶解產物的糖份分析發現：以樺木木聚糖為底物時，酶解產物主要為木三糖和木四糖，含量分別為68 . 43和16 . 50 ，另外還含有11 . 79的木二糖；以玉米芯木聚糖為底物時，酶解產物主要為木二糖和木三糖，含量分別為81 . 78和11 . 55 。
  4. The results show that when the concentration of hmi ( hg2 + ) in influent water is every low, the effect of hmi removal by wbaer from dk is much better than cations exchange resins. with cations ( ca2 +, mg2 + ) at high concentration in raw water, wbaer has better selectivity to hmi in water, however the selectivity of cations exchange resins is worse. the anions in raw water such as cl - which is able to react with hmi can make cations exchange resins lose the capability of hmi removal, but it has no effect on wbaer ( d301g )

    結果表明：當進水中重金屬離子（ hg2 + ）濃度較低時，弱堿性陰離子交換樹脂對飲用水中hg2 +的去除效果要明顯優于陽離子交換樹脂；當原水中含有相對較高濃度的陽離子（ ca2 + 、 mg2 + ）時，弱堿性陰離子交換樹脂對水中的重金屬離子具有很高的選擇去除性，而陽離子交換樹脂的選擇去除性卻很差；天然原水中能與重金屬離子（ hg2 + ）發生絡合反應的陰離子（如： cl ） ，可以使陽離子交換樹脂喪失了對水中微量重金屬離子（ hg2 + ）的去除作用，而對弱堿性陰離子交換樹脂（ d301g型）去除水中微量hg2 +的影響卻很小。
  5. At the same time the study analyse the structural system of the index and it ' s weight with the ahp, and choose soil quality, soil thickness, the content of organic matter, terrain, elevation and the ration of irrigated guarantee as gradation index and choose soil quality, soil thickness, the content of organic matter, terrain, elevation, the ration of irrigated guarantee, the condition of traffic, the distance from the central city, the scatter degree of field, the neat degree of field, loss of water and erosion of soil and land contamination as classification index. at the same time the study emphasize the effect of the condition of ecological condition and environmental contamination

    採用層次分析法對該區域農用地分等定級的指標體系及其權重進行了研究，選擇表層質地、土層厚度、有機質含量、地形、海拔、灌溉保證率等6項指標參與分等評價，選取表層質地、土層厚度、有機質含量、地形、海拔、灌溉保證率、對外交通狀況、距市中心距離、田間道路狀況、田塊分散度、地面平整度、水土流失、土地污染等13個因子分指標區進行定級評價，強調了生態條件及其環境污染狀況在農用地分等定級中的作用。
  6. The chances of heavy metal into the plant cell were reduced and stress alleviated. ultrastructural observation of leaf cells of myriophyllum verticillatum linn, showed that la3 + coule alleviate the injury of cell structure produced by cr6 +

    對元素含量的測定表明，稀土元素降低了植物對重金屬的富集量，兩者表現出拮抗作用，減少重金屬離子進入植物葉片細胞的機會，從而減輕了毒害作用。
  7. The distribution characteristics of the metals from the intertidal sediments of jiaozhou bay ( 1 ) the results shown that, the available concentraion of zn is ranged 53. 88 - 143. 21 g / g ( dry weight ), cu is ranged 18. 56 - 65. 34 g / g ( dry weight ), cr is ranged 10. 82 - 105. 49 g / g ( dry weight ), pb is ranged 2. 14 - 31. 92 g / g ( dry weight ), cd is ranged 0. 04 - 0. 836 g / g ( dry weight ), hg is ranged 0. 005 - 0. 115 g / g ( dry weight ), eh is ranged - 307. 9 - 84. 4mv, ph is ranged 7. 589 - 8. 019, the sediment in jiaozhou bay is featured by reduction, so the sediment of jiaozhou bay deposied well

    用離子分析儀測得沉積物中重金屬相關參數氧化還原電位eh的范圍為307 . 9 84 . 4mv ， ph的范圍為7 . 589 8 . 019 ，說明膠州灣沉積物有較強的還原性，重金屬沉積較好。為將汞相對于濕樣的含量轉化為相對于干樣，測得沉積物含水率的范圍為23 . 2 34 . 8 。
  8. Study on the impact of a several heavy metals ion to the chlorophyll content of tissue cultured dioscorea zingiberensis

    幾種重金屬離子對組培盾葉薯蕷葉綠素含量的影響
  9. The development of cordierite based infrared radiation materials with the substitution of partial mg2 + ions by transitional metal ions has been presented, and the influences and their mechanisms of the substitution of partial mg2 ions by transitional metal ions, synthesis temperatures and particle size on the infrared radiation materials have been investigated, which aims at promoting the application of the infrared radiation materials in the inner wall coating

    本研究研製了過渡金屬離子固溶堇青石體系紅外輻射材料，著重研究了過渡金屬離子的種類與含量、合成溫度、顆粒粒度對材料紅外輻射性能的影響及其作用機制，其目的在於為堇青石固溶體系紅外輻射材料在內墻塗料中的應用打下基礎。
  10. There is a lot of chloride in ocean environment which is a main reason of the steel corrosion, so we must predict thickness of chlorine ion in order to count the beginning corrosion time of the steel under sea environment

    在海洋環境中，含有大量的氯離子，而氯離子是引起鋼筋銹蝕的一個重要因素，因此預測在混凝土中氯離子的濃度是計算海洋環境中鋼筋初始銹蝕時間的前提。
  11. The surviving time upon heat exposure and the swimming time were examined and the physiologic and biochemical changes such as body weight, potassium concentration, blood sugar, hemoglobin were compared before and after heat exposure

    並比較了高溫適應前後以及高溫處理前後小鼠的一些生理生化指標如體重、血清中鉀離子濃度、血糖含量和血紅蛋白含量。
  12. At the condition of constant salt content ( total ion content ), if the water mass fraction in the substrate is lower than 50 %, its ec is determined by both the salinity and the moisture of the substrate

    試驗結果表明：在保持基質鹽分（離子總量）水平不變的條件下，若基質質量含水率低於50 % ，則電導率值受基質內離子含量和基質水分的雙重影響。
  13. But on the later condition the trend of accumulation turned to be stable in the w3 treatment ( vseawater / v pure water = 1 ) - in root zone soil, variation of sar value accorded with total salt accumulations and sometimes decreased at the treatment where the v seawater / v pure water > 1. contents of cl - and na + which were the main ions and leached obviously in 0 - 60cm soil were greatly influenced by rainfall, but the rainfall did not affected the contents of ca2 +, mg2 + and k + whose ability of leaching is worse than that of cl - and na + in the root zone soil obviously. the vertical distribution of salt ions in the 0 - 60cm soil were mainly affected by the ratio of v seawater / v pure water in the irrigation water on the condition of not enough rainfall, but on the cont

    海水灌溉下，耕層土壤中鹽分含量受降雨量影響很大，足夠的降雨條件下，鹽分不會積累，降雨量較低時，鹽分積累明顯，但在50海水處理下趨于平衡狀態；耕層土壤sar值的變化情況和鹽分含量變化情況相一致，在灌溉水中海水濃度大於50時有所下降；土壤中主要鹽離子為cl ~ -和na ~ + ， 0 - 60cm土層內， na ~ + 、 cl ~ -明顯的向土壤底層遷移，其在土壤中的含量受降雨影響顯著，而ca ~ （ 2 + ） 、 mg ~ （ 2 + ）和k ~ +在土壤中遷移能力較低，其含量受降雨影響較小； 0 - 60cm層次土壤鹽分的縱向分佈在降雨量較低的條件下主要受灌溉水中海水濃度的影響，而在降雨充分的條件下，地面覆蓋程度成為重要的影響鹽分和水分脅迫下菊芋的生理響應及其海水灌溉研究因子之一。
  14. The structure and function of metalloproteins and metalloenzymes have been the center of the attention for many years due to their important roles in biological system. though metal ions exist in trace amount in metalloproteins and metalloenzymes, their roles in structure or catalysis are crucial

    在生物分子結構的研究中，很重要的方面是了解金屬蛋白和金屬酶。金屬蛋白和金屬酶中僅含少量的金屬離子，但它們起至關重要的作用。
  15. In two - component model of hydrogen - bonded chains, the system with nonlinear and linear coupling between proton sublattice and heavy - ion sublattice is investigated. fast - mode soliton pair and slow - mode soliton pair are obtained. as for fast - mode soliton the effective mass of the kink in the proton sublattice decreases due to the nonlinear coupling and increases due to the linear coupling. for slow - mode soliton, the thing is quite opposite to that of fast - mode soliton

    在氫鍵鏈二分量模型中，研究質子子晶格和重離子子晶格相互作用項中同時含有非線性耦合和線性耦合兩部分的系統，得到快模孤子偶和慢模孤子偶.對于慢模孤子而言，非線性耦合降低了質子子晶格中孤子的有效質量，而線性耦合增加了質子子晶格中孤子的有效質量；對于快模孤子而言，情況正好相反
  16. For example, measured with respect to the amount of xenon 132 present, the depletion of xenon 136 ( being four atomicmass units heavier ) would have been twice that of xenon 134 ( two atomic mass units heavier ) if physical sorting had operated

    例如，如果物理分離過程確實發生，相對于氙132的含量，氙136的短少量（重量多了四個原子質量單位）會是氙134短少量（重量多兩個原子質量單位）的兩倍。
  17. The results indicate that the absolute and relative contents of sodium - ion and calcium - magnesium - ion in soil are important to identify dispersive clay soils, while the content of montmorillonoid is one of key factors and the river water affects the dispersibility of clay greatly

    結果表明土樣中鈉離子和鈣鎂離子含量多寡和相對含量對粘土分散性具有重要的作用，蒙脫石的存在是粘土分散性的重要因素，河水對粘土分散性能將產生顯著影響。
  18. With the hardness tests, it is indicated the hardness of the nano alumina or nano silicon carbide coating is improved to 1. 6 - 2. 5 times as that of the plasma spraying coating. with the wearing tests, it is indicated that low laser power employed, the wearing performance of the coating without nano material increase to 1. 3 times as that of the plasma coating, at the same time, the wearing performance of the coating with nano material increase 2. 3 - 6 times as that of the plasma spraying coating, the wearing mechanism is further analyzed. with the erosion tests, it is indicated that the erosion performance of the coating with nano material increase five times as that of the plasma spra

    與相應等離子噴塗層相比，硬度測試表明，含納米al _ 2o _ 3或sic的各種復合塗層硬度提高了0 . 6 - 1 . 5倍左右；耐磨性測試表明，小功率下單純的激光重熔耐磨性提高了30 ，而納米滲入后塗層的耐磨性提高了1 . 3 - 5倍左右，對耐磨性提高的機理作了進一步的探索和分析研究；耐蝕性測試表明，經激光熔覆納米滲入后的各種塗層耐蝕性能提高了4倍以上，同時塗層厚度、表面質量對腐蝕性能有影響。
  19. Proceeding from a cardinal reason affecting wettability reversal of rocks - the absorption of asphaltenes of oil in the pore surface of rocks, the effects of injection water salinity and cation type on this absorption are separately researched ; thus the vital factors affecting wettability reversal of rocks are derived

    摘要從影響巖石潤濕性轉變的一個重要原因原油中瀝青質在巖石孔隙表面的吸附出發，分別研究了注入水中含鹽量的高低，以及注入水中陽離子的類型對原油中瀝青質在巖石孔隙表面的吸附的影響，從而得出了影響巖石潤濕性轉變的重要因素。
  20. Due to their advantages of high selectivity, fast analytical speed, simple operation and low price of instrument, biosensors have been used widely in the fields such as clinical medicine, food industry, environment control, martial medicine, etc. urease biosensors have important applications in clinical medicine and determination of heavy - metal ions in water

    由於生物傳感器具有選擇性好，分析速度快，操作簡易和儀器價格低廉等優點，在臨床醫學、食品工業、環境監測、軍事醫學等領域得到了廣泛的應用。脲酶生物傳感器在臨床醫學和對於水中重金屬離子含量的檢測方面具有重要的應用。
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