鹽化堿土 的英文怎麼說
中文拼音 [yánhuàjiǎntǔ]
鹽化堿土
英文
saline alkal soil-
A. splendens is a pioneer plant in saline - alkali soil ameliortion
摘要芨芨草是鹽堿化土地改良中的先鋒草種。Effect of improved saline alkali soil chemical character by phosphate plaster
磷石膏改良鹽堿地土壤化學性質的效果Characteristic of moisture and salt dynamic in saline - alkalized grassland of songnen plain during thawing period
松嫩平原鹽堿化草地消融期土壤水鹽運移特徵Glass in building - thermally toughened alkaline earth silicate safety glass - definition and description
建築物玻璃.熱鋼化堿土硅酸鹽安全玻璃.定義和描述Glass in building - thermally toughened alkaline earth silicate safety glass - part 1 : definition and description
建築物玻璃.熱鋼化堿土硅酸鹽安全玻璃.第1部分:定義和描述Glass in building - thermally toughened alkaline earth silicate safety glass - evaluation of conformity product standard
建築物玻璃.熱鋼化堿土硅酸鹽安全玻璃.合格評價產品標準Through the analysis on the discrepancy between the indexes of land use and landscape structure of both the periods, the change of the eco - environment caused by the causations of both the nature and the human activities is pointed out that the total area of the studying region is somewhat reduced ; the alkali - saline land therein is utilized for fishery breeding ; a part of the unused land and water area are basified ; the sorts of landscape are rich and uniform and serious fragmentations are locally occurred
通過分析兩期土地利用及景觀結構指數之間的差異性,指出由自然和人為原因引起的生態環境的變化:研究區總面積有所減少,鹽堿地改良後用于了魚蝦養殖,部分未利用地和水域鹽堿化,區域景觀類型豐富且均勻,局部破碎嚴重。In recent years, the water - saving and control irrigation technique of rice has diverted from plot experimental and demonstration to lare scale. and has got remarkable economic and social benefits. amed at the characteristics of this irrigation area, optimal selection for water - saving techniques of rice, deciding the amout of leaching water and irrigation modles, investigating the adaptability of the water - saving and control irrigation technique in saline land. studying the increase in production mechanism of the technique are important to extend the technique, to better and develop saline land as well as slick spots. according to the results of field experiments, optimization study was conducted on the water - saving irrigation technique of rice in saline land, the effects of different water - saving irrigation techniques on the physiological indexes and yield of rice were systematically analyzed. by using mutiplepurpose fuzzy optimization method, better. water - saving irrigation technique was selector out, that is. the control irrigation technique in rice. the mechanism of it was analyzed from the aspect of the physiological and ecological saving water of rice to provide the implemental process and technical point ; throgh the quantitive analysis and comparision on control irrigation and control class ( flood irrigation ), high production and quality mechanism of the technique was analyzed in terms of physiology indexes of rice, the variation of soil moisture, the pest resistance and the lodge resistance, the change of soil temperature in paddy fields. the yield constitutive factors, the quality of rice and so on. in saline land. control irrigation and intermittent leaching modles were adopted to validate the adaptability of the technique in irrigation of rice in saline land, to analyze rice ' s physiological - ecological indexes and the change of soil salt content under the conditions of control irrigation leaching of rice and and to provide control irrigation and combined modle of intermittent leaching to adapt to different conditions
本文從試驗及試驗資料入手,取得以下主要成果和結論:對鹽堿地水稻節水灌溉技術進行優化研究,系統地分析了不同節水灌溉技術對水稻生理指標及產量的影響,採用了多目標模糊優化的方法,對灌水技術進行綜合評判,優選了節水灌溉技術,論證該地區宜採用水稻控制灌溉技術;闡述控灌技術通過調節和控制水稻的需水規律,降低水稻高產情況下的無效水量消耗,從水稻生理、生態節水兩方面分析了控灌技術節水機理,針對性地總結出水稻各生育期實施節水控灌技術的步驟及技術要點;通過控灌與淹灌的定量對照比較,從根系、莖蘗、冠層葉片及綠葉動態到株高,土壤水分變化,抗病蟲害、抗倒伏能力,稻田土溫變化,產量構成因素及稻米品質等諸多方面進行動態比較,分析控灌技術高產優質機理;在鹽堿稻地採用控制灌溉+間歇淋洗模式,跟蹤測試田間水鹽變化狀況,驗證控制灌溉技術在鹽堿地區水稻灌溉中應用的適應性,通過分析水稻控制灌溉淋洗條件下水稻生理生態指標,提出優化控制灌溉+間歇淋洗組合模式,為進一步在高礦化度地區試驗水稻控灌技術奠定基礎。The investigation of a lot of parameters about treated sandstone, brick materials and earthen materials with fluorited polymers has been carried out, such as the formation of polymer, the penetration depth, porosity, capillary absorption and penetration coefficient, water uptake, compressive strength, drilling resistance, absorption isotherms of water vapor, water vapor diffusion, color changes as well as resistance to desegregation of water, frizzing - throwing cycles, worming - cooling cycles, and so on. in addition, the influence of salt crystallization, acid and base, and uv aging have also been assessed in order to better understand the protection effects and utilization possibility of two fluorinated polymers, mainly according to astm standard and the combination of international methods together with general technological
分別以國家級文物保護單位的土質、砂巖和磚材文物樣品為對象,依據astm標準及國際通用文物保護研究方法與評估準則相結合,通過膠化物形成周期、滲透深度、孔隙度、毛細吸水和滲透系數、持水量、抗壓強度、抗鉆強度、吸附水蒸氣的能力、透氣性、外觀顏色等系列參數的測定,及凍融、冷熱循環、酸堿腐蝕后抗壓強度的衰減、可溶鹽對保護效果的影響、酸堿及光照對表面保護效果的影響,對兩種含氟聚合物及其與有機硅的共混物在文物加固保護和表面防護中的可行性和保護效果給予了系統研究。The soil salification is a serious problem for agriculture and environment. especially now with the development of industry, the situation of soil salification becomes more and more serious, and the quality of water is continuous worsened. research on the mechanism of salt tolerance especially in the important crops, such as wheat, is becoming more urgent than ever before
土壤鹽漬化是影響農業生產和生態環境的嚴重問題,隨著工業污染加劇,灌溉用水的質量不斷下降和化肥使用不當等原因,次生鹽堿化土壤面積有不斷加劇的趨勢,給農業生產造成重大損失;黃矮病毒病是小麥等禾本科植物的重要病害之一,其傳毒介體蚜蟲更使植物產量損失巨大。The key products of the company are high alumina brick, fireclay brick, phosphate - bonded wearable brick, exfoliation - resistant high alumina brick, high refractoriness under load brick, corundum brick, magnesite brick, magnesite ? chrome brick, series of corundum, sic furnace chamber and pipe, ceramisite brick, corundum - mullite brick, corundum - chrome brick, sillimanite brick, magnesite alumina spinel brick, acid - resistant brick, alkali - resistant brick, zirconia - corundum brick, alumina bubble products, series thermal insulating refractory products, high alumina castable, corundum castable, corundum ramming, brown - corundunm castable, sic castable, low - cement castable, alkali ? resistant castable, light silica alumina products, stainless steel fibre reinforced castable, etc
主要產品有:高鋁質磚、粘土質磚、磷酸鹽耐磨磚、抗剝落磚、高荷軟磚、剛玉磚、碳化硅磚、鎂磚、鎂鉻磚、各種剛玉、 sic爐膛、爐管製品、陶粒磚、剛玉莫來石磚、鉻剛玉磚、硅線石磚、鎂鉻尖晶石磚、耐酸磚、耐堿磚、鋯剛玉磚、氧化鋁空心球製品及各種輕質保溫材料、高鋁質澆注料和剛玉澆注料、搗打料、棕剛玉澆注料、碳化硅澆注料,低水泥澆注料、抗堿性澆注料、輕質硅酸鋁製品、鋼纖維增強澆注料等80餘種系列耐火材料。Thermometric titrimetry has had a long association with the production of alumina from bauxite ; where it has traditionally been applied to the determination of the caustic and aluminate contents of recirculating “ bayer process ” liquors
溫度滴定測量長期以來都和從礬土中提煉生產氧化鋁有關系?傳統上被用來測定再循環"拜爾法液體中的苛性堿和鋁酸鹽的含量。The light - storing fiber was produced from fluorescent masterbatch which was composed by basic silicate or alumina with thulium
摘要蓄光纖維是通過用堿土類硅酸鹽熒光粉體或氧化鋁加稀土元素組成的發光粉體,製成一定濃度母粒切片,用母粒來紡絲。Perspective analyses on film trickle irrigation application and the present status of treating alkali soil
膜下滴灌技術應用與土壤鹽堿化治理的現狀及前景分析The formation of salt - alkaline soil included salinization and alkalinization. the increase of salinity was the character of salinization, and the increase of ph was the character of alkalinization
土壤的鹽堿化即包括土壤的鹽化又包括土壤的堿化,鹽化以上壤鹽度升高為特徵,堿化以土壤ph升高為特徵。Because of the evaporation, dissolved salt is brought to cumulate at the ground surface and the root zone when the ground water is above the critical level. then the saline soil is formed
超過臨界深度的地下水,在蒸發作用下,將鹽分帶至地表或根系分佈層累積下來,形成鹽漬化土壤或鹽土、堿土。Some soils are affected by salinity - alkalinity : about 15 % of irrigated area suffer from varying degrees of salinity and sodicity and about 10 % from water logging
一些土壤受鹽堿影響:約15 %的灌溉面積有不同程度的鹽化和蘇打堿化,約10 %的土壤受淹水之苦。( 1 ) for the first time, compositing the chemical compounds of alkaline - earth metal with the adsorption material, 13x molecular sieve, silica gel, and activated alumina to gain a series of composite adsorbents with good performance that higher adsorption capacity and lower regeneration temperature and suitable for adsorption refrigeration systems that can be driven by low - grade thermal energy
首次將堿土金屬化合物及其鹽類與傳統吸附材料13x分子篩、硅膠和活性氧化鋁等復合,制取具有較高吸附量和較低再生溫度的適合於以低溫熱能驅動的吸附製冷過程的一系列優良復合吸附劑。分別在自製的吸附製冷、除濕製冷模擬實驗裝置上,測得該系列復合吸附劑與水和乙醇組成的吸附製冷工質對的吸附製冷性能以及除濕製冷性能均優于傳統吸附劑( 13x ,硅膠和活性炭) 。The paper developed a novel method of preparation of potassium ferrate by hypochlorite oxidation, and determined the optimal parameters. the experimental results demonstrate that fe ( vi ) compounds with high purity and yield can be prepared by raw technical materials. a variety of fe ( vi ) cathode materials, synthesized by potassium ferrate and alkaline - earth metal salts, provide a high - energy electrochemical discharge
採用改進的次氯酸鹽氧化法(濕法) ,以工業級的原料,在實驗室內,從1到4倍率規模合成高純度、高收率的fe ( )化合物起始物? ?高鐵酸鉀,純度可達98 、收率在80以上;再以高鐵酸鉀為原料合成堿土金屬fe ( )化合物或其他fe ( )復合物,其中堿土金屬fe ( )化合物純度可達94以上。Based on the waste residue continuing to use the theory of pure gypsum as amendment in improving alkaline soil establish a plan that with saving resources, water and with better effect and rapid speed. reach on the effect of the same - ion effect and salt effect of nacl in course of improving the alkaline soil. then after the certain amount of gypsum for exertion is decided, compare the effect of exertion of waste residue for one time with for more than one time
首先比較煤煙脫硫廢渣與化學純石膏改良的物理化學過程的異同,在廢渣基本上可以沿用純石膏改良的理論基礎上,在一定的計劃改良深度內,定量的石膏施用方法的情況下,建立一個省石膏,省水,省工,效果好,速度快的方案;同時研究了nacl的鹽效應和na _ 2so _ 4的同離子效應在純石膏改良堿土過程中起到的作用;最後針對石膏施用量確定之後,一次施入還是分次施入更好,進行了探討;結合當地耕作條件,總結各有利的技術措施,指導田間的生產實際。分享友人