堿化層 的英文怎麼說

中文拼音 [jiǎnhuàcéng]
堿化層 英文
natric horizon
  • : 名詞1. (含氫氧根的化合物的統稱) alkali2. (碳酸鈉) soda
  • : i 量詞1 (用於重疊、積累的東西 如樓層、階層、地層) storey; tier; stratum 2 (用於可以分項分步的...
  1. They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem

    本研究以重慶市的南川金佛山(自然保護區) 、黔江武陵山(國家重點退耕還林示範縣,森林覆蓋率50以上)和北碚中梁山(遭人為破壞嚴重)典型巖溶區為對象,選擇了幾種重要的利用方式,包括林地、果園、耕地、棄耕地和灌草坡,採用野外巖溶生態調查和室內試驗測量分析相結合的方法,以不同土地利用方式巖溶土壤肥力為重點,對不同土地利用方式土壤肥力特徵進行量分析,找出巖溶土壤肥力差異的主要方面及其根本原因,論文主要從土壤剖面物理退指標(有效土厚度、有機質厚度、質地、團聚體、水分含量等) ,學肥力退指標(有機質、全n 、全p 、全k 、解n 、速效p和速效k等) ,樣地土壤微生物指標(細菌、真菌、放線菌數量及總量)以及樣地土壤種子庫植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究,為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。
  2. So these karst series problems are lowness ability of making soils, distributing odds of surface water and groundwater, leakiness of fountain, alkalescence of circumstance, lowness of bio - diversity, rapidness converse succession of vegetation and fragility of soil character and entironment. and karst region produces many problems, e. g. rock desert, soil erosion and degeneration because of artificial influence and destruction

    巖溶空間介質具有地上地下雙結構,可溶巖造壤能力低,巖溶水空間分佈不均、地表地下水關系密切、水源易漏失,偏性環境、生物資源集聚程度低,植被逆向演替快、順向演替難,巖溶地質與生態環境十分脆弱,受到人為因素的影響和破壞,極易產生石漠、土壤侵蝕與退等一系列問題。
  3. Effect of heat treatment on induced apatite deposition and bonding strength of the alkali treated titanium oxide layer for carbon carbon composite

    碳復合材料上液處理氧鈦鍍誘導沉積磷灰石和結合強度的影響
  4. 5. detection : the samples were extracted with ethyl ether. the lidocaine in the sample was qualitated by rf and a tlc scanning spectrometry, quantitated by a tlc scanning chromatography and a two points external standard method or a standard curve method

    5 、利多卡因檢測方法:樣品處理后,乙醚提取,薄掃描檢測,根據利多卡因的rf值結合光譜掃描圖定性,外標兩點法或標準曲線法定量。
  5. It is shown that the effect of pac removing fluoride is closely related to ph value and the optimum range of ph value is between 6. 1 ? 7. 1. under this condition, further studies are made on the optimum coagulant dosage, mixing time, artificial turbidity, filtration rate and filter bed ' s depth and the optimum range of these parameters have been determined

    式氯鋁的除氟能力與原水的ph值有密切的關系,除氟最佳ph值范圍為6 . 1 ? 7 . 1 。在此條件下,進一步對最佳投藥量、混合時間、反應時間、人工輔助投加濁度、濾速及濾厚度進行了研究,確定了其最優的取值。
  6. 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:對鹽地水稻節水灌溉技術進行優研究,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、冠葉片及綠葉動態到株高,土壤水分變,抗病蟲害、抗倒伏能力,稻田土溫變,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;在鹽稻地採用控制灌溉+間歇淋洗模式,跟蹤測試田間水鹽變狀況,驗證控制灌溉技術在鹽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,提出優控制灌溉+間歇淋洗組合模式,為進一步在高礦度地區試驗水稻控灌技術奠定基礎。
  7. Part 1 : the culture and identification of es - d3 cells and the study of the efficiency of eb formation from es cells when grown on mef feeder layer in es culture medium or cultured in es culture medium supplemented with lif 1000u / ml, es - d3 cells being used in our experiments formed normal clones, expressed akp and kept their normal karyotype over many passages. the in vitro and in vivo differentiation experiments showed that es - d3 cells could differentiate into variety of cell types derived from three primary germ layers

    結果顯示: eso3細胞在小鼠胚胎成纖維細胞上和或含白血病抑制因於億f )的es細胞培養液中形成典型的胚胎幹細胞克隆,性磷酸酶染色結果為強陽性,具有正常二倍體核型以及具有在體內外分為三個胚來源的組織細胞的潛能,而且具有形成種系嵌合動物的能力。
  8. The methods - three dimension fabric - enforced laminates, and sparse fabric - enforced laminates, layer - enforced laminates ? to enhance the interlaminar toughness of fabric - reinforced laminates were discussed in this paper. the stitching method to enhance interlaminar toughness of stitched - laminates was mainly discussed in this paper based on our research and experiment. the middle - alkali glass fabric used as enforced - material with thickness of 0. 2mm, 3 section 600 deniner kevlar yarn is used as stitching thread in this research, which improved lock stitching way and different kinds of stitching mode were adopted

    以提高合板復合材料的間斷裂韌性(能量釋放率)為目標,採用中玻璃布為增強材料,對疊后的玻璃布,採用凱芙拉縫合線、改進的鎖型縫合方法、不同的縫合工藝進行了縫合;基體採用的是不飽和樹脂,固劑為過氧甲乙酮,促進劑為環烷酸鈷液;在室溫下採用真空輔助rtm ( resigntransfermolding )成型固方法,製作了不同縫合工藝的玻璃布增強復合材料合板。
  9. Based on the extensive studies of subtilisin - like protease ( prl ) of metarhizium anisopliae, extracellullar serine protease is suggested to be a key enzyme involved in the fimgal penetration to invertebrates. the investigation of serine protease in the nematode infected by owvtl may help to understand the mechanism of nematophagous fimgi as biological control agents. a 3l kda serine protease was isolated and purified from the liquid culture of h rhossiliensis owvtl challenged with nematode panagrellus redivivus

    本研究利用線蟲誘導下owvt - 1菌株液體發酵,通過粗分級分離、離子交換析和凝膠過濾析分離提純了一個分子量為31kda的絲氨酸蛋白酶,生物學測定表明其對大豆胞囊線蟲二齡幼蟲具有致死作用,同時測定了該酶理特性,酶活力在75附近酶活力最高,隨著ph的增加酶的穩定性升高,與膽酯酶具有相似的ph曲線,對特異性底物aape ( suc - ala - ala - pro - glu - pna )具有作用, ssi和ci - 2抑制該酶的活性。
  10. 2, upon heating to their respective melting temperature, all the compounds above went to liquid crystal phase. the typical chiral smectic c phase lined texture and finger print texture, smectic fan texture and broken fan shaped texture, nematic schlieren texture schlieren texture and ball grandle texture, paramorphosis texture can be observed

    實驗結果表明:一,合物2 、 4 、 16 、 17和18均具有熱致液晶性;二,以上合物加熱至各自的熔點以上都能形成液晶態,在液晶態可以觀察到新的席夫型液晶冠醚的合成與表徵手性近晶c相的線織構和指紋織構。
  11. The sbf cultivation results by different surface modification methods were : nano - tio2 coating > alkali solution treatment > tio2 coatings sintered in normal pressure > tio2 coatings sintered in vacuum

    不同表面改性方法的sbf培養結果比較為:納米二氧鈦塗液處理方法常壓下燒結二氧鈦塗真空下燒結制備的塗
  12. According to the chemical characteristics of organophosphorus pesticide and the principle of organophosphorus pesticide inhibit plants cholinesterase activity, based on determined enzymatic reaction conditions, the separation effect of different developing agent system on 11 organophosphorus pesticides by the means of thin - layer chromatography were researched, followed 10 qualitative analysis methods of organophosphorus pesticide residues were established

    摘要根據有機磷農藥學特性及其對植物膽酯酶抑制的原理,在確定酶促反應條件的基礎上,考察了不同展開體系對11種有機磷農藥的薄析分離效果,建立了10種有機磷農藥殘留的定性分析方法。
  13. 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累積下來,形成鹽漬土壤或鹽土、土。
  14. This paper presents an analysis method of mechanical behavior of aged concrete structures on elastic theory, and analyses the main causes of load bearing performance of concrete structures. the paper also illustrates some studies where structures exposed to the marine environment showed early deterioration and analyses the main causes of structural concrete deterioration, including concrete carbonization, corrosion mechanisms of concrete, and mechanisms of steel corrosion due to the penetration of chloride ions into the concrete. it shows that corrosion of the reinforcements is the main cause of structural concrete deterioration

    本論文提出老混凝土板的分彈性理論,對混凝土結構的承載能力的影響進行分析;對浙江沿海混凝土結構及其構件的抗彎、抗剪、粘結性能以及結構的動力性能進行分析研究;提出了影響沿海混凝土結構耐久性的主要因素一混凝土的碳作用,骨料反應,混凝土的腐蝕機理以及鋼筋混凝土中鋼筋銹蝕的影響因素。
  15. The following new knowledge are acquired : a ) the cu background of stratum and jinningian alkali basite is abnormal high, which could be liberated from those rocks during alteration. cu et al. minerogenetic elements, which main came from magmatic rock, some from stratum ( yinmin formation and luoxue formation ) and its basement rocks

    礦床中cu等成礦物質來源復雜,以深源為主,部分來源於地(因民組紫色和落雪組白雲巖)及基底地;礦區內的退色蝕變作用可能是混合流體質交代改造作用的結果,對銅礦形成影響明顯,是銅礦的標志; 2
  16. Applied for the floor which is required to resist corrosion from acid or alkali, for the ground or covering layer of cement floor, drainage pool or alkali pool of circulation boards workshop or place where strength reinforcing floor is needed, or for the surface layer or ground layer or isolation layer of epoxy mortar

    要求耐酸學溶劑腐蝕的地面,電路板車間或加強抗拉力的水泥地面、排水溝及水池的面,環氧砂漿面與塊材面,地面和隔離
  17. The saline concentration in the 0 - 40cm layer will produce desalination trend in the 2010. however, the saline concentration in the 40 - 70cm will be slightly accumulated

    總體上節水改造工程對灌區淺土壤鹽改善與防治有積極效果,但中仍存在潛在鹽漬的可能。
  18. The enzyme activity in fermentation liquid could be inhibited by pmsf and dfp. the fermentation liquor also showed good dehairing activity. the alkaline protease ( named dhap, dehairing alkaline protease ) in the fermentation liquid was purified with hydrophobic interaction chromatography, ion exchange and gel filtration

    通過cm - sepharosefastflow離子交換析, deae - sepharosefastflow離子交換析, sephacryls - 100 , sephacryls - 200凝膠過濾析,疏水析等純步驟對短小芽孢桿菌發酵液中的性蛋白酶進行了純
  19. As for cathode of mercury - free alkaline zinc manganese - dioxide battery, mono - layer plating of in, zn, sn and double - layer plating of zn - in, sn - in, zn - sn was electroless deposited on the surface of current collector respectively

    性鋅錳電池負極銅集電體表面用學方法分別沉積緻密的銦、鋅、錫單和鋅銦、錫銦、鋅錫雙
  20. Adopt the mean of analyzing the factors which influence the output of the crops to quantity and determine the factors, assess the correlation among the grading factors in the units and calculate the point value of these factors ; determine the weigh value of the factors. ten factors, which are content of organic matter, thickness of soil layer, quality of soil, pickled degree of land, condition of irrigation and state of shelter belt, the degree of land " s leveling, central focus region ( focus region location ), utilization method of soil, are chosen as grading index at last

    本文採用因素法定量評價各地塊定級單元的相關性和權重性,最終選定了有機質含量、土厚度、土壤質地、鹽程度、排水能力、灌溉保證率、防護林完整度、條田平整度、中心區位,土地利用方式等因子作為定級的指標,使用了加權加和因素法進行了的定級計算,逐步完成了農用地質量情況的評價,劃分出了級別。
分享友人