泥酸 的英文怎麼說
中文拼音 [nísuān]
泥酸
英文
mca-
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。The result of experiment shows that und er the conditions of proper ai r - entraining, concrete with 20 % fly ash has excellent frost - resistance. the frost - resistance of concrete with 55 % fly - ash which is admixed with united expansive agent ( uea ) has been improved greatly. the frost - resistance of sulfate aluminate cement concrete with high volume of fly - ash is dramatically lower than that of silicate cement concrete with the same volume of fly - ash
試驗結果表明：粉煤灰摻量為20的混凝土在適量引氣的條件下具有良好的抗鹽凍性能；粉煤灰摻量為55的混凝土在摻加uea膨脹劑后其抗鹽凍性能有明顯改善；大摻量粉煤灰硫鋁酸鹽水泥混凝土的抗鹽凍性大大低於同摻量的硅酸鹽水泥混凝土。Characteristics and application of aluminate cements
鋁酸鹽水泥的特性與應用Methods for chemical analysis of aluminate cement
鋁酸鹽水泥化學分析方法Determination of total sulfur content in aluminate cement eschka method
鋁酸鹽水泥中全硫的測定艾什卡法Rapid hardening sulphoaluminate cement ; rapid hardening ferri - aluminate cement
快硬硫鋁酸鹽水泥;快硬鐵鋁酸鹽水泥The lacustrine carbonate rocks in the wudaoliang group consist of boundstone ( stromatolite ), micritic limestone, grainstone and micritic dolostone which were laid down in the shallow - water to bathyal, high - salinity and enclosed to semi - enclosed lake systems
五道梁群湖相碳酸鹽巖分為生物粘結灰巖（疊層石） 、泥晶灰巖、顆粒灰巖與泥晶白雲巖四大類，反映出沉積環境為一個具有淺水半深水、高鹽度、半封閉封閉特點的綜合湖泊系統。" it could be acidic water, it could be briny water, it could carry lots of sediment or be slushy, but [ it appears that ] water is involved, " edgett added
「那可能是酸水，可能是鹽水，可能攜帶有很多沉積物，也可能是泥濘的，但看上去跟水肯定有關系。 」Strongly acid peat soils are often low in calcium.
強酸性泥炭土常呈現低鈣。Research development of calcium phosphate cement
磷酸鈣骨水泥的研究進展Progress of calcium phosphate cement as drug delivery system
磷酸鈣骨水泥藥物緩釋載體研究進展His doctoral thesis was “ study of calcium phosphate cement ”
博士學位課題是《磷酸鈣骨水泥可注射性相關研究》 。The by - product including yellow water and ending water in liquor production was used to produce esterifying liquid through the addtion of ending liquor, daqu, quality aged pit mud, fermented grains, quality edible alochol, caproic acid and esterifying enzyme and yeast for liquor use only etc
摘要以白酒生產的副產物黃水和尾水，添加酒尾、大麴、優質老窖泥、酒醅、優質食用酒精、己酸、酯化酶和酒用酵母等生產酯化液。Specially, the axial tensile strength of the interface of the new and old concrete has reached above 2. 40mpa, greatly surpassing the preconcert goal ( > 1. 0mpa ), and its flexural strength also above 5. 80mpa, having surpassed the preconcert target and the standard request ( 4. 50mpa ). ( 2 ) after hardening 4h and 8h the compressive strength of the patched concrete is bigger than 20 mpa, which can satisfy the request of fast patching. ( 3 ) the ych color material, which is mixed into rapid sulfoaluminate cement - concrete patching material, can take better effect and avoid chromatism on the appearance of new - old concrete
特別是新老混凝土界面的軸向抗拉強度已達2 . 40mpa以上，大大超過原定目標（大於1 . 0mpa ） ，其界面抗折強度也在5 . 80mpa以上，也已超過原定指標及規范要求（大於或等於4 . 50mpa ） ; （ 2 ）修補混凝土硬化后4h 、 8h抗壓強度大於20mpa ，能滿足快速修補的要求; （ 3 ）在快硬硫鋁酸鹽水泥混凝土修補材料中摻入自配的ych調色材料，能較好地起到調色作用，避免新老混凝土表面色差。It is inferred that the dissolution rate and dissolubility of gypsum are the main decisive factors of cement performance of portland - sulphoalminate composite system
推導證實，石膏的溶解速度和溶解度是決定硅酸鹽硫鋁酸鹽復合體系水泥性能的主要因素。Acid dissoluble cement
酸溶性水泥An improved method for extraction of soil humic acid was used to isolated dissociative humic acid ( ha - i ) and enwrapped humic acid ( ha - ii ) from paddy soil and pohakee peat. quantified and characterized ha - i and ha - ii with 13c nmr, py - gc - ms, optical and elemental analysis. the results indicate that two humic acids are highly different in structure, and ha - ii is more condensed
採用一種改進的腐殖酸萃取方法從珠江三角洲稻田土壤和pahokee泥炭中分離出了游離腐殖酸（ ha - ）和包裹腐殖酸（ ha - ） ，並採用元素分析、 ~ （ 13 ） cnmr 、 py - gc - ms和有機巖石學方法對ha -和ha -進行了定量和定性研究，結果表明兩種腐殖酸在性質和結構上是有區別的。Under alkaline condition, the descreasing of esterified copolymer viscosity indicate the esterified copolymer is slow releasing. the effect of the complex superplasticizers and the single one is compared in this paper
通過對水泥一水體系的ph值和酯化產物的ph對性能的影響的討論，確定酯化產物使用時的最佳酸堿度。On the base, the cheap labor resources in china, the expensive international long distance freight, the seasonal delicacy of many raw materials and its inconvenience in storage forwarded the process of the product that had been exported. and also because of the incitement of high profit of the export product, modern chinese inflexible pursuit of the industrialization and the severely patriotic spirit, pushed the convert of export process industry : from foreign merchant controlling the process industry alone to the native people investing in the expert process industry, from the raw material and elementary product to the deep finished goods, from semi - processed goods to terminal products, from light industry goods to heavy chemical industry goods, and so export substitution developed silk - spinning, silk - weaving, cotton - spinning and weaving, the bean process, the egg process, noodle industry and etc were most outstanding. and also some heavy chemical industry products such as steel cement sour alkali and etc beginned to be exported
其中有一點就是中國成了工業列強的原料品供應地，正是在此基礎上，由於中國勞力資源的便宜，國際長途運費的昂貴，以及許多原料品的時鮮性和不便於儲存，它們推動了該類產品的出口加工；也由於出口品高利潤的刺激，和近代中國人對工業化的執著追求以及強烈的愛國精神，促使出口加工業的發展由外商控制到國人投資經營轉化，由加工原料初級品向一定的深加工品轉化，由生產半成品向終端產品轉化，由輕工業品向重化工業品加工轉化，出口替代就這樣發展了起來。它以生絲、絲織、棉紡織、豆類加工、蛋製品、麵粉等加工最為突出，同時也興起一部分重化工業產品如鋼鐵、水泥、酸堿等的加工出口，呈現出一些較明顯的積極的發展趨勢。Test and theorical calculation of cement acidic solubility
水泥酸溶性的理論計算與試驗研究分享友人