堿式法 的英文怎麼說

中文拼音 [jiǎnshì]
堿式法 英文
alkali test
  • : 名詞1. (含氫氧根的化合物的統稱) alkali2. (碳酸鈉) soda
  • : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  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,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,以不同土地利用方巖溶土壤肥力為重點,對不同土地利用方土壤肥力特徵進行量化分析,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化指標(有效土層厚度、有機質層厚度、質地、團聚體、水分含量等) ,化學肥力退化指標(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. 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,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;在鹽稻地採用控制灌溉+間歇淋洗模,跟蹤測試田間水鹽變化狀況,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,提出優化控制灌溉+間歇淋洗組合模,為進一步在高礦化度地區試驗水稻控灌技術奠定基礎。
  3. In present study, single fibre recording in vivo from dorsal root on chronically compressed drg model was used. we analyzed the characters of isi series of oscillation firing of type a neurons induced by veratridine, an inhibitor of inactivation gate of sodium channel. so we can establish a basis for understanding the relationship between the inactivation gate of sodium channel and the firing pattern, so as to explore the relationship between the firing pattern and pain

    本研究在大鼠背根節慢性壓迫模型上,利用在體單纖維記錄方,觀察與分析na通道失活門抑制劑藜蘆引起受損背根節a類神經元放電isi序列發生的變化特徵,為了解na通道失活門與放電型的關系以及進一步探索放電時間型與疼痛的關系奠定基礎。
  4. According to the water supply source used the mining area in bai yun, based on the mechanism of coagulation and flocculation, the feasibility of removing fluoride from water with the method of coagulation and filtration is studied through experiment. and several key parameters which affect defluorination are also analyzed. by using polyaluminum chloride ( pac ) as coagulant, the optimum ranges of the operational parameters are obtained

    本文根據白雲鄂博礦區飲用水的供水水源,以混凝機理為基礎,通過靜態和動態實驗,對用混凝過濾除氟的可行性進行了研究,並對影響除氟因素的幾個主要參數進行實驗分析,得出了用氯化鋁作為混凝劑進行實際運行時,參數最佳取值范圍。
  5. Digital temperature transmitter, digital level, explosion - proof electric contact manometer figures generally used manometers, vacuum table, table vacuum pressure, oxygen forms of electric contact manometer, explosion - proof electric contact manometer seismic contact ammonia electricity connections. contact monometers assisted magnetic, seismic, heat - resistance, acid and alkali resistance, chlorine, sulfur - resistant, stainless steel pressure gauge. divide manometer shenyang city, the total, precision manometer, out of the wind pressure gauge, film boxes pressure gauge, diaphragm pressure gauge

    主要產品包括:數字壓力表,數字膜盒壓力表,數字溫度表,數字壓力變送器,數字溫度變送器,數字液位計,數字防爆電接點壓力表,一般用壓力表真空表壓力真空表氧氣表電接點壓力表防爆電接點壓力表耐震電接點氨用電接點磁助電接點壓力表耐震耐高溫耐酸耐耐氯耐硫全不銹鋼壓力表隔膜壓力表沈陽市優質產品精密壓力表出風壓力表膜盒壓力表膜片壓力表全不銹鋼膜片壓力表鈦壓力表及出口全不銹鋼,充油全不銹鋼系列壓力表,壓差表,壓力變送器,各種軸向軸向帶邊蘭連接等多種形
  6. Chemical industry information not merely embodyed the ordinary chemistry information substance, chemistry manufacture technological process and representative installation introduction are still have, in case contacing legal institutions sulphuric acid ? nitric acid industry system law ( ammonia oxidate law ), synthetic ammonia industry, chlorine and caustic soda are manufacture to electrolysis salt water, along with electrogilding, refine aluminium, iron - smelting and steel - smelting, cement and glass manufacture summarized account, the mineral oil is refined, hence, the chemical industry information education is contrastd against the ordinary chemistry information education, proper such representative means, be living, the means interpreted is in speech oridinarily wholly adoptd in the chemical industry information education, now most of tutors also is adopt the means interpreted in speech, cause that the chemical industry information education is insipid like this, student lack interest to chemical industry information study, but as a result of value the pair foundation, light practice, student may say the become a mere formality to chemical industry information study o since multi - med

    化工知識不僅包含了一般化學知識的內容,還帶有化學生產工藝流程及典型設備的介紹,如接觸制硫酸,硝酸的工業製(氨氧化) ,合成氨工業,電解食鹽水製造氯氣和燒,以及電鍍、煉鋁、煉鐵和煉鋼,水泥和玻璃的生產簡介,石油的煉制等,因此,化工知識教學與一般化學知識教學相比,應有其典型的方。在過去,化工知識的教學一般都採用口頭講解的方,現在大多數教師也是採用口頭講解的方,這樣使得化工知識的教學乏味,學生對化工知識的學習缺乏興趣,又因重視雙基,輕實踐,學生對化工知識的學習可以說流於形。由於多媒體的輔助教學的高效性、形象直觀性、新穎性和多樣性、人工模擬等特點,很適合化工知識的教學,應用多媒體教學化工知識可以解決目前存在的諸多問題,如:模型短缺、組織參觀活動困難、教育經費不足、學生不易觀察等。
  7. Test methods for chemical analysis of basic lead silicochromate

    硅鉻酸鉛的化學分析測試方
  8. Study on the effects of the characters related to the grai n weight per plant on breeding high yield soybean

    利用熔融生產高碳石墨廢水制備氯化鋁的試驗研究
  9. This thesis studies the interaction of dna with some metal schiff - base complexes with fluorescence spectra, the model of the interaction were investigated in details, and two specific anticancer drugs were obtained. the detailed materials are shown as follows : this first part : renewable amperometric imn ~ iunosensors have been developed with paraffin as carrier

    在本論文中,我們採用熒光光譜研究了一些席夫類金屬配合物傳感載體與dna的相互作用,對其相互作用模作了詳細的探討,篩選出二種與dna有強烈相互作用的化合物。
  10. The fitness of four negative electrode materials such as al, fe, zn, cd, and of six membranes materials : microfiber glass mat separator, polyethylene, polypropylene, polyvinyl chloride, vinylon, soapnated cellulose acetate, and of four current collects : carbon fiber ; nickel foam ; nickel foam sthongthened by iron wire net, punched silver grid in the super - iron alkaline batteries was comparatively studied. the influence of two storaged method ( with and without electrolyte ) and two impurities ( zno, fe ( oh ) 3 ) to the experiment cell ' s self - discharge nature was also comparatively studied. at last, the nature of discharge. structure and electrochemistry of experimental cell with k2feo4 as cathode active material prepared by three different methods : high temperature reaction, hypochlorite oxidizing and electrolysis, was comparative ly studied. we can conclude : i ) the open - circuit potential and the flat of work potential and the percent of capacity of k2feo4 till 1. 0v during the discharge at constant load of experimental cells decreased by the order of al / k2feo4, zn / k2feo4, cd / k2feo4, fe / k2feo4. as for the nature of charge - discharge cycle, cd / k2feo4 fe / k2feo4 zn / k2feo4. in water solute electrolyte, although al / k2feo4 can n ' t be used as storage battery, it have great potential as primary cell or storage cell from the aspect of its discharge capacity. discharge power

    採用組裝實驗電池、 x -射線衍射( xrd )和循環伏安( cv )的方,從實驗電池的放電特性、充放電循環特性、自放電特性,不同高鐵酸鹽的結構特性和電化學特性幾個方面,對4種金屬負極材料( al 、 fe 、 zn 、 cd ) 、 6種隔膜材料(復合玻璃纖維、幅射接枝聚乙烯、改性聚丙烯、聚氯乙烯、維尼綸無紡布、皂化再生纖維素) 、 4種集流體材料(泡沫鎳、以鐵網為加強層的泡沫鎳、切拉銀網、炭纖維編織網)在性高鐵電池中的適用性進行了比較研究;對2種雜質組分( zno 、 fe ( oh ) _ 3 )和2類不同貯存方(干、濕)對實驗電池自放電特性的影響進行了比較研究;對3種方(高溫固相反應、次氯酸鹽氧化、直流電解)所制k _ 2feo _ 4的實驗電池的放電特性、結構特性和電化學性能進行了比較研究。
  11. 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

    本文採用因素定量化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、土層厚度、土壤質地、鹽化程度、排水能力、灌溉保證率、防護林完整度、條田平整度、中心區位,土地利用方等因子作為定級的指標,使用了加權加和因素進行了的定級計算,逐步完成了農用地質量情況的評價,劃分出了級別。
  12. Abstract : yingdongpo gold mine as an example of gold mine, it ' s oredressing wastewater quality was investigated. alkali chlorinating process being adopted for treating the oredressing wastewater of yingdongpo gold mine, it has achieved good result in removing the cyanide and heavy metal. after analyzing the experimental result for the affecting factors, the project that using the method of intermittence reaction to treat the cyanide wastewater is proposed

    文摘:以銀洞坡金礦為例,對選礦廠含氰廢水進行了水質調查,採用性氯化處理銀洞坡金礦尾礦庫的含氰廢水,在去除氰化物和重金屬方面都取得了較好的效果,提出了採用間歇處理含氰廢水工藝方案。
  13. The experiment indicated that the technology process can acquire pricklyash seed oil whose acidity is appropriate at the level of losing, meanwhile the method can notably decrease chroma of the pricklyash seed oil

    實驗室試驗表明稀溶液分步間歇煉的工藝流程,可以在低煉耗的水平上得到酸值較理想的花椒籽煉油,同時該煉方也能顯著的降低花椒籽油的色度。
  14. The tg and dta techniques were used to research the decomposition kinetics of depositions. the decomposition mechanism and kinetics - equation were investigated according to phadnis methods, and the equation can be depict as follow : the kinetics parameter of decomposition were obtained by using kissinger methods. the activation energy was 162. 41kj / mol and reaction index was 1. 30

    利用phadnis則,推斷碳酸鈷的熱分解反應機理符合反應級數則,得到非等溫條件下碳酸鈷的熱分解動力學方程為:並利用kissinger計算碳酸鉆熱分解反應的表觀活化能為162 . 41kj mol ,熱分解反應級數為1 . 30 。
  15. Test method for determination of alkalinity of paper as calcium carbonate alkaline reserve of paper

    測定以碳酸鈣形展現紙性的試驗方
  16. The optimum conditions of preparation were as fellows : the concentration of zinc sulfate solution of 1. 8 - 2. omol / l, the concentration of ammonium bicarbonate solution of 1. 4 ~ 1. 6mol / l, the time of ultrasonic radiation of 25 ~ 30min. iv. preparation of active zinc oxide by means of microwave radiation to calcine precursor of basic zinc carbonate firstly, and a mechanism on preparation of ultra - fine active zinc oxide by means of microwave radiation has been investigated emphatically as well as the effects on quality of ultra - fine active zinc oxide have been analyzed and discussed in detail, the time of microwave radiation was 7 ~ 16 min ; comparing microwave radiation calcining with conventional calcining, the calcining time of microwave radiation was one thirty to one twenty, the calcining time shortened hugely, energy consumption saved hugely, the quality of product improved

    首次引入超聲波輻射制備超細活性氧化鋅前驅體碳酸鋅新技術,研究了超聲波輻射制備前驅體碳酸鋅的機理,並分析和討論了影響前驅體質量的各種因素,確定了最佳的前驅體制備條件為:硫酸鋅濃度為1 . 8 2 . 0mol / l ,碳酸氫銨的濃度為1 . 4 1 . 6mol / l ,超聲波輻射25 30min ; 4 、首次採用微波加熱煅燒前驅體碳酸鋅制備超細活性氧化鋅的新技術,研究了微波輻射加熱煅燒前驅體制備超細活性氧化鋅的機理,並分析和討論了影響活性氧化鋅質量的各種因素,確定了最佳的超細活性氧化鋅制備條件為:微波加熱煅燒時間為7 16min ,與傳統煅燒方相比,煅燒時間僅為傳統的1 30 1 20 ,大大縮短煅燒時間,節省能耗,提高了煅燒產品的質量; 5 、完成了從鋅浮渣中制備超細活性氧化鋅的小試試驗和擴大試驗。
  17. An injecting biosensor was also investigated. the preliminary result showed that it had the advantage of simplifying the replacement of enzyme membrane. however, the sensitivity of this biosensor still needed some improvement

    同時,本文嘗試了乙酰膽酯酶的其它一些固定化方,並對反應器生物傳感器進行了初步研究,結果表明,雖然其具有更換酶膜方便的優點,但是檢測靈敏度仍有待提高。
  18. To confirm the approval of recombinant pcdnas - tgfjtf, gene and the results of its transfection, we used immuhistochemical staining ( sabc ). the department of or a logy 4 multiplication and differentiation of bmscs were observed by flow - cytometry ( tcm ), transilluminating electron microscope ( tem ) and other methods. the bmscs in controlled group was transfected with pcdna3 only

    採用電泳檢測pcdna3 - tgf _ 1構建是否成功;通過tgf _ 1免疫組化染色檢測轉染是否成功;運用形態學觀察、透射電鏡( tem ) 、流細胞儀( fcm ) 、性磷酸酶( alp )染色、型膠原免疫組化染色等方,觀察轉染后bmscs增殖與分化情況。
  19. All the subjects were genotyped by pcr - rflp ( polymerase chain reaction - restriction fragment length polymorphism ) at polymorphic sac i site inside the exon 7 of the ahsg gene. this polymorphism involves a nucleotide substitution of c to g at the middle nucleotide of the codon at amino acid position 238 resulting in the replacement of threonine ( acc ) with serine ( agc )

    所有的樣本通過聚合酶鏈反應?限制性片段長度多態性方( pcr - rflp )對ahsg基因的第7個外顯子內的sac多態性位點進行基因分型,該多態性位點為238號氨基酸密碼子中間的基c到g的替換,使蘇氨酸( thr , acc )變為絲氨酸( ser , agc ) 。
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