酸堿性 的英文怎麼說

中文拼音 [suānjiǎnxìng]
酸堿性 英文
acidity and alkaline
  • 酸 : 酸構詞成分。
  • 堿 : 名詞1. （含氫氧根的化合物的統稱） alkali2. （碳酸鈉） soda
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  1. Study of surface acidity basicity of cuo - al2o3 with microcalorimetric technique

    3催化劑的表面酸堿性質
  2. Three water - soluble acrylic resins are prepa red by polymerizing esters acrylate, acrylic acid ， methylacrylic acid ， esters methylacrylate with phenyl - ethene or ethylene acetate in present of water or alcohol and initiating agent. properties of the acrylic resins are characterized. results show that the resins possess excellent character, i. e. adhibity, water - solubility, expansion after dry for water ， anti acidity or bascity and brightness in the products of same type

    以丙烯酸、丙烯酸酯、甲基丙烯酸、甲基丙烯酸酯等作為基料，在引發劑的存在下，以水或醇作溶劑進行聚合，加入苯乙烯、醋酸乙烯等改性，合成了3種不同的水溶性丙烯酸改性樹脂，並對其性能進行了測定.結果表明：這3種樹脂的粘度、水溶解性、乾燥后膜的吸脹性、抗酸堿性、光亮度等性能均優于同類產品
  3. Please keep in mind that the titanium products should be cleaned by soft fabric or a litter french chalk, not by acid and alkaline detergent. for the plastic and non - stainless steel products, should not be used in the moist floor or cleaned by the water directly. and the brass products have done by oxygenation, so that you only want to clean by soft frabic

    鈦金製品，切勿用酸、堿性清潔劑擦洗，只需用軟布或少許滑石粉擦之即光亮如新，非不銹鋼、塑料類產品不能使用在潮溫地面或直接用水沖洗；銅製品已做氧化處理，切勿使用擦銅劑，只需用軟布擦之即可。
  4. Characteristic of ammonia volatilization of percarbamide in different acidity and alkalinity soils

    過碳酰胺在不同酸堿性土壤上的氨揮發特性研究
  5. Effects of diverse environmental factors on the growth rate ( od4oo ) and nitrogenase activity ( ara ) of the strain w12 hi nitrogen - free culture were investigated in our experiments. the results implied that the strain w12 could easily adapt to different cultural conditions : it could use various carbon sources ( especially glucose, sucrose, malic acid, mannitol ), propagate quickly and fix nitrogen at a temperature range of 15 ? to 40 ? and at 25 - 35 ? for optimum, at a ph range of 4 to 8. 5, at a saline concentration range of 0. 01 % to 1. 5 % ; low nlv " concentration had little effect on its nitrogenase activity. ara could also be detected when it grow in the culture media with 5mmol / l ntv "

    W12菌株對環境因子的適應性研究：無氮培養條件下，測定溫度、碳源、酸堿度、滲透壓對w12生長及固氮能力的影響，結果表明，在15 - 40下均能生長並表達固氮酶活性，其最適生長及固氮的溫度為25 - 35 ；能利用葡萄糖、蔗糖、蘋果酸、甘露醇等多種碳源生長並固氮，當培養基中同時存在蔗糖和蘋果酸時，細菌生長和固氮活性最強；在偏酸和偏堿的條件下（ ph4 . 5 - 8 . 5 ）均能保持較強的生長勢和較高的固氮酶活性，並能通過調節自身代謝平衡並適應環境的酸、堿性變化，使培養液趨于中性：能耐受較高的滲透壓，培養液中卜、 5 naci濃度對其生長和固氮酶活性影響不大，當naci濃度升至2時，菌株的生長勢及固氮酶活性才有所下降：低濃度的鉸對其固氮酶活性影響不大，在0
  6. Series ceramic sanitary ware products on the corrosion resistance using non - radioactive zirconium a - glaze, high temperatures over 1, 200 degrees, fired, glass products are completely dense, high strength, wear resistance and corrosion resistance, good bacteria difficult to generation, dual water - saving 3 liters / 6 liters meet international standards

    採用耐酸堿的無放射性雙a鋯釉，在1200多度高溫下燒制，產品完全緻密玻化，強度高，耐磨性和耐酸堿性好，細菌不易生成，雙節水3升/ 6升，符合國際標準。
  7. Through a model compound system, acid - base theory for rtv - i silicone rubber was gave. it isbelieved consistency in acidic or basic nature is benefit for rtv - lsilicone compound system, while adverse nature in acid or base will cause unstable compound system and even cause gel. this is summarized as abn rule for matching

    本文通過對模型體系的研究，提出了單組份室溫硫化硅橡膠的酸堿理論，該理論認為rtv - 1體系各組份的酸堿性一致對體系穩定性有利，酸堿性相反將傾向于誘發硫化，總結為abn規則。
  8. Suitable for color mixing, with good acid and alkali resistance ; unsuitable for high frequency welding process because of its low conductivity property

    適合調色使用，不適合高調波使用，具低導電性，耐酸堿性佳。
  9. The unconfined compressive strength, shearing strength and permeabi lity of stabilized soils were tested in laboratory, the strength of contaminated composite soils sampled with different ph and soaped in corresponding ph were compared. the results from experiments indicate that there exists a certain relationship between the soft soil properties and the unconfined compressive of grouted soil. with the increase of water content, porosity ratio, degree of porosity, plasticity limit, liquid limit and liquid index, the compressive strength of cement - sodium silicate - stabilized soil decreases, while increases as the bulk weight and compressibility modulus

    通過對水泥?水玻璃加固土的無側限抗壓強度試驗，以及用不同酸堿性水製成與養護的固結土所進行強度對比試驗，得出軟土的物理力學性質指標與加固土的抗壓強度之間存在一定的相關關系，即隨著含水量、孔隙比、孔隙度、液塑限及液性指數的增加，水泥?水玻璃加固土的抗壓強度相應地降低；而隨著原狀土的容重、壓縮模量的增加，水泥土的抗壓強度也隨之增加。
  10. Characterization of waste - leaching behaviour tests - influence of ph on leaching with initial acid base addition ; german version cen ts 14429 : 2005

    廢棄物特性描述.過濾性能試驗. ph值對過濾酸堿性添加
  11. The ph - value and buffering capacity of rice - straw and properties of rice - straw mdf

    稻草原料酸堿性及稻草中密度纖維板的性能
  12. Characterization of waste - leaching behaviour tests - influence of ph on leaching with initial acid base addition

    廢棄物特性描述.滲出特性試驗. ph值對初始滲出酸堿性添加物的影響
  13. The previous literature on factors determining soil quality changes mainly focused on the natural processes of soil quality change, while socio - economic and policy factors tend to be neglected

    另外，土壤ph值變化趨勢值得關注。除華北地區的土壤酸堿性改善外，長江中下游和東北地區存在酸化傾向。
  14. This text is in the illumination to its rubia cordifolia l. pigment, temperature, dissolving, acid sealing, the characteristics in many aspects, such as food additive, etc. have carried on systemic research

    摘要對其茜草果實色素在光照、溫度、溶解性、酸堿性、食品添加劑等方面的特性進行了系統性的研究。
  15. The average soil fertility rose in the north china plain and mid - lower yangtze river regions, and decreased in the northeast. additionally, although the north china plain saw an improvement in soil ph - value, acidification of the soil increased in the other regions

    土壤肥力數據的分析結果表明，樣本總體而言，從80年代初到2000年，除土壤速效鉀下降和土壤酸堿性有所退化外，農業上壤的有機質、全氮和速效磷平均含量都增加了。
  16. Many buildings " service life has come into old age. companied with aging and disrepairing of structural members, and suffering high temperarure, high moisture, acidic or alkaline gas from outside, the reliability and safety of industrial mill buildings have depressed severely

    伴隨著各類結構構件的老化、破損程度不斷加劇，甚至受到外界高溫、高濕、酸堿性氣體等特殊環境的影響，這類工業廠房結構可靠性及安全性已嚴重降低。
  17. By adding various additives, properties of new pu sole such as abrasion resistance, oil resistance, electric insulation, antistatic and acid and alkali resistance have been much improved

    通過增加各種添加劑，使聚氨酯鞋底在耐磨、耐油性、電絕緣、防靜電和耐酸堿性能方面有了很大的提高。
  18. Continuous foaming process with high foaming intensity ; it has excellent chemical resistance and abrasion resistance

    發泡密度高且採用連續發泡式發泡，具有優良的耐酸堿性，耐久性。
  19. When it is used to take the place of asbestos to make cement products, the ultra short staple plays an important role in improving the quality of cement products which have stronger resistance to shock and better toughness because the staple has strong resistance to acid and alkali and also it has good dispersing ability in the cement mortar

    因其耐酸堿性強在水泥漿中分散性能好，用於替代石棉製水泥製品時，其製品抗沖擊強度高韌性好，可提高製品的檔次和質量。
  20. The water based coating has many of advantages, for example : good adhesive, water resistant, cheap, easy synthesis and construction

    該塗料粘附力強，具有優異的耐酸堿性和耐水性，生產工藝簡單、施工方便、成本低廉等特點。
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