硝屬 的英文怎麼說

中文拼音 [xiāozhǔ]
硝屬 英文
niter group
  • 硝 : Ⅰ名詞（硝石） nitre; saltpetre Ⅱ動詞（用樸硝或硭硝加黃米面處理毛皮） taw
  • 屬 : 屬名詞1 （類別） category 2 [生物學] （生物分類系統上所用的等級之一） genus 3 （家屬; 親屬） fami...
  1. The order of four soil biochemical intensity being sensitive to heavy metal pollution indicated as : nitrification > nitrogen fixation > decomposition of cellulose > ammonification. however, soil microbial biomass c : n ratio increased with the increasing of heavy metals level

    幾種生化作用強度的下降順序為硝化作用固氮作用纖維素分解強度氨化作用；但土壤微生物生物量碳氮比則隨著重金屬污染水平的升高而增加。
  2. The detection and application of nitrifying bacteria is limited by their peculiar ecophysiology such as strict autotrophic bacteria and slow growth

    由於它們嚴格自養、生長緩慢的生態生理屬性，使硝化細菌的檢測和應用等受到限制。
  3. The main study in this paper included as follows : the content and distribution of heavy metals in sediments and benthic organisms from the sewage stream in guangzhou city ; the acute toxicity and joint toxicity of mercury and selenium to swordtail fish ( xiphophorus helleri ) ; the damage of mercury to the indexes of antioxidant system in the gills and livers in swordtail ( including the measurement of the activities of total antioxidative capacity [ t ~ aoc ], superoxide dismutase [ sod ], glutathione peroxidase [ gsh - px ] and the concentration of malondiald - ehyde [ mda ] ) and the relief effects of selenium on it, as well as the physiological damage of mercury on the tissues, namely : the antagonistic effect of na + - k + ~ atpase activity on the tissues between selenite and mercury, and the ultrastructural damage under the exposure of mercury

    研究內容主要有：廣州市河涌沉積物及底棲生物體內重金屬含量及評價；汞和硒對劍尾魚的急性毒性和聯合毒性及安全濃度的評價；汞對劍尾魚鰓和肝臟中抗氧化系統的毒性，包括對總抗氧化能力、超氧化物歧化酶、谷胱甘肽過氧化物酶活力及丙二醛含量的測定及硒對其保護作用；汞對劍尾魚組織生理毒性即：汞對na ~ + - k ~ + atpase活力的影響及硒的保護作用和汞和對劍尾魚組織超微結構的損傷等。以高氯酸?硝酸消化法和火焰原子吸收分光光度法測定了廣州市河涌沉積物和底棲生物中重金屬含量。
  4. Test method for porosity in gold coatings on metal substrates by nitric acid vapor

    硝酸蒸氣測試金屬基體上金塗層孔隙率的方法
  5. Standard test method for porosity in gold coatings on metal substrates by nitric acid vapor

    用硝酸蒸汽測試金屬基體上金塗層孔隙率的標準試驗方法
  6. Chemical analysis of hydrochloric, nitric and sulphuric acids. test of heavy metals content

    鹽酸硝酸和硫酸的化學分析.重金屬含量的試驗
  7. It is based on the exothermic reaction of the corresponding metal nitrates with a reducing agent and yields extremely fine - grained ashes that readily convert into pure znfe2o4 when treated thermally

    該法是在還原條件下，以相應的金屬硝酸鹽的放熱反應為基礎從而產生了超細粉末，然後通過加熱使其轉化為純的znfe _ 2o _ 4相。
  8. Results came as follows : in this dissertation, we found that it was the smallness of the positive electrode capacitance that limits the performance of carbon based supercapacitors in alkaline electrolytes, and the performance could be meliorated if the active material loaded on positive electrode increased. activated carbon electrode was proved to have good capacitor performances in neutral electrolyte such as ammonium sulfate solution and ammonium nitrate solution, but a correlated problem is the corrosion of the metal current collector

    本文通過考察活性炭電極在堿性電解液中的電極行為，指出活性炭電極在堿性溶液中正極性能較差是影響碳基超級電容器性能的重要因素，增大正極活性物質的載量能夠使電容性能得到一定程度的改善，同時發現活性炭電極在硫酸銨和硝酸銨等中性電解液中具有優越的電極性能，但存在金屬集流體的腐蝕問題。
  9. Zhejiang is a strong province in agriculture. with the planting area of great profit crop becoming large and the worth ascending, contaminated food, food poisoning and export of farm product meeting with a check by superscales of pesticide, heavy metals and nitrates get a extensive attention

    浙江是一個農業大省，隨著經濟農作物種植面積的擴大和產值的上升，農藥、重金屬和硝酸鹽超標引起的食物污染、食物中毒和農產品出口受阻已受到人們的廣泛關注。
  10. The flesh of this biota was tested for their cadmium, lead, chromium, nickel, copper, and zinc concentrations ( based on wet weight ) using the method of hnq3 - hc104 digestion and flame atomic absorption spectrophotometry

    以高氯酸?硝酸消化法和火焰原子吸收分光光度計測定了廣州石牌市場食用魚類和雙殼貝類的cd 、 pb 、 cr 、 ni 、 cu和zn等重金屬的含量。
  11. ( 8 ) the most limited factor to the sustainable land use is the water resource, due to the increase of the crop yield and the crop sowing area, so it is important for sustainable land use to decreasing irrig

    門）士地利用變化及其效應的可持續評價表明，曲周縣存在的最主要的不可持續因素是耗水作物的大面積種植造成的水資源壓力，局部地下水硝態氮和重金屬含量超標，對區域的種植結構調整。
  12. The paper analyzed the soil pollution in the farmland affected by chemical fertilizer, which included increasing the quantity of heavy metal and poisonous elements, causing the accumulation of the nitrates in the soil, destroying the soil structure, promoting the soil acid, reducing the soil microorganisms and the movement of them

    摘要分析了化肥對土壤環境產生的不良影響；增加土壤重金屬與有毒元素；導致土壤硝酸鹽積累；破壞土壤結構，促進土壤酸化：降低土壤微生物活動。
  13. When exciting at 1064nm, the fluorescence of the crystal violet ( cv ) in the cv - au sol system will be quenched rapidly and meanwhile its raman signals will also be enhanced at least 105. after addition of some drops hno3 ( 1 + 10 - 2m ), due to the chemical interaction between some cv molecules and hno3, some hcv derivatives will be formed. compared with cv, hcv can be adsorbed on metal surface more easily and tightly so there is some extra enhancement in this condition

    結果表明，結晶紫分子?金膠體系中結晶紫分子在1064nm近紅外光激發條件下，其熒光得以大大淬滅，同時拉曼得到了至少不低於10 ~ 5倍的增強；當進一步加入硝酸使得其處于酸性氣氛下時，由於部分結晶紫分子與硝酸發生了化學作用形成了結晶紫分子的單替代衍生物（ hcv ） ，而hcv與結晶紫分子相比，更容易吸附在金屬表面，因此結晶紫分子nir - sers還將有很大的增強。
  14. Some additives such as graphite, ptfe and csno3 can improve obscuring effect of smoke screening in infrared waves. furthermore, some formulas entered nano ferric oxide can largely improve the effect of infrared extinction

    指出金屬鎂粉優于其它金屬粉；三氧化二鐵和二氧化鈦是較好的氧化劑選擇；石墨、聚四氟乙烯和硝酸銫的添加有利於提高發煙劑紅外遮蔽能力。
  15. The components of green phosphatizing without heavy metal and nitrite at room temperature and its corresponding technological parameters were defined by orthogonal test and comprehensive assessment, and the appearance, film wight and corrosion resistance of phosphating film were examined and analyzed

    摘要通過正交試驗和綜合評定法，確定了一種不含重金屬鹽和亞硝酸鹽和環保型常溫磷化液的介質組成及相應的工藝參數，檢測分析了磷化膜的外觀、膜重和耐蝕性能。
  16. Removing impurity, nitrate, metal ion, soluble inorganic, organic compound, trihalogenmethane, pesticides, dioxin, color and odor

    蒸餾水製造機去除硝酸鹽金屬離子農藥有機化合物溶解性固體及陰陽離子殺菌
  17. Both of them were - proteobacteria. 3 ipb strains closely matched to bacillus megaterium, terrabacter tumescen and janthinobacteriwn lividum. respectively, and 6 opb strains were azospirillum sp.,

    2個硝酸鹽還原菌菌株分別為氣單胞菌屬和檸檬酸桿菌屬的菌株，它們也都歸于-變形菌亞門。
  18. Metallic coatings - determination of porosity on gold coatings on metallic substrates - nitric acid vapour test

    金屬塗層.金屬基質金塗層孔隙率的測定.硝酸蒸發試驗
  19. In this work, layered lini1 - xalxo2 ( 0 < x 1 / 2 ) solid solution materials were successfully synthesized by current co - precipitation method in the air, and their preparation and properties were deeply and systematically explored. influences of different factors on the structure and properities of samples were studied, including li resources, different performs, li / m ( oh ) 2 molar ratio, calcining heat condition, the best synthesis technics were concluded : sintered for 16h at 700 from li source ( lithium nitrate ) : m ( oh ) 2 = 1. 05 : 1, ultrasonic vibration for dispersing and catalysing are best. lini0. 8al0. 2o2 exhibited a discharge capacity of 130. 7 mah ? g - 1 in the voltage range of 2. 8 ~ 4. 40v and at a specific current of 0. 2 c. a new co - precipitation method was proposed, it included ultrasonic for dispersing and catalysing, by dropping lioh to the aqueous solution of metal nitrates, hydroxides of metals were precipitated and the resulting solution was evaporated as received

    採用傳統共沉澱工藝在空氣氣氛中成功地合成出了二元lini1 - xalxo2 （ 0 < x 1 / 2 ）層狀固溶體系列，綜合考察了不同鋰源、預處理方式、鋰的配比量、焙燒溫度等條件對合成產物的結構和性能的影響，確定出了最佳合成工藝:以硝酸鋰為鋰源，超聲波作為分散動力源，鋰源與鎳鋁金屬鹽摩爾比為1 . 05 : 1 ， 700下焙燒16h的lini0 . 8al0 . 2o2樣品電化學性能最佳，在2 . 8 ~ 4 . 40v之間， 0 . 2c的倍率放電可逆容量達130 . 7mah ? g - 1 。
  20. Experimental research on the reduction of nitrogen oxide by iron in petroleum - coke - fired fluidized beds

    石油焦流化床燃燒過程鐵金屬脫硝的實驗研究
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