實用鹽標 的英文怎麼說
中文拼音 [shíyòngyánbiāo]
實用鹽標
英文
practical salinity scale-
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 paper applies sdm in drawing the map of pollution areas. by synthesizing contaminated factor, saturated esdd and damp factor in pollution areas, the equal saturated esdd is presented. the isopleth map for equal saturated esdd is drawn by grid method based on kriging regression, and the isopleth map is regarded as the map of pollution areas
通過將影響污區分佈的積污因素、鹽密指標、濕潤因素這三種因素綜合為等效鹽密，運用克里金法實現等效鹽密的插值，最終通過網格法繪制等值線圖實現了電網污區分布圖計算機自動繪制。There is correspondence in evaluating sulfate resistance of cement paste by three test methods such as rapid boiling, gypsum mixing and wet - dry test. high strength grade cement can meliorate property of sulfate resistance
外摻石膏法、干濕交替法以及快速沸煮法三種實驗方法對評價水泥砂漿的抗硫酸鹽侵蝕性能有較好的一致性；高標號水泥品種對抗硫酸鹽侵蝕性能有很好的改善作用。The main results are following : ( 1 ) the variation of clay / silt ratio can indicate the secondary clay action of dust depositions ; the variations of magnetic susceptibility and total fe content are inferred to be records of the changeable intensity of bio - pedogenesis ; the variations of sr content and rb / sr ratio can indicate bio - pedogenesis, dissolving and leaching action ; the content of total organic carbon ( toc ) can reflect variation of climate and vegetation during soil formation, it indicates the intensity of weathering and bio - pedogenesis ; the content variation of caco3 can show the intensity of dissolving - leaching action and secondary deposit, which was noted as pseudomycilia in pores and fissures in the sediment, so it can indicate the intensity bio - pedogenesis quite well. these proxy indexes also reflect obvious regional difference of pedogenic environment and the intensity bio - pedogenesis ; namely, secondary clay action, dissolving - leaching action and bio - pedogenesis are all much stronger in south than that in north
實驗結果表明：粘粒粉沙比值能很好地指示粉塵堆積物的次生粘化作用；磁化率和全鐵很好地指示生物風化成壤作用； sr和rb sr比值能很好的指示生物風化成壤作用和淋溶作用；總有機碳（ toc ）含量的高低，在一定程度上反應了土壤發育過程中氣候和植被狀況的變化，指示著成壤過程中腐殖質化的程度； caco3含量的變化，可以反映了黃土古土壤形成時的風化成壤作用的強弱程度，指示成壤過程中的淋溶作用和次生碳酸鹽化作用；並且各指標所指示的成壤環境和成壤強度存在明顯的區域差異，即渭河流域土壤的生物風化成壤作用、次生粘化作用和淋溶作用均表現出南部強于北部。Salt treatment had effects on growth, succulence and some physiological parameters. in present study, suaeda salsa seedlings were treated with different salts and isoosmotic peg to examine the succulence and some physiological parameters. the hydraulic conductance ( lo ) of the roots, the water permeability of protoplasts and western blot analysis of aquaporins in plasma membrane and tonoplast under nacl were determined
本實驗以鹽生植物堿蓬幼苗為材料，用不同的鹽及與nacl等滲的peg處理，測定肉質化及有關生理指標，並測定nacl處理下植物根的導水性，原生質體的水滲透性，並在分子水平上進行了細胞質膜及液泡膜水孔蛋白免疫雜交分析。This paper unfolds engineering disposition and theoretical research of negative temperature high performance concrete ( nthpc ) with the damage of many factors motivation, the project background based on qing - zang railway engineering, which is one of four - emphasized engineering during the tenth five - plan. due to the difference of environment of construction and service between nthpc and ordinary concrete, and therefore durability of nthpc is required to higher level. at a first, nthpc must avoid frozen damage at early age and possess anti - freezing property at later period, in order to meet engineering practicable application need, and this are two emphasized and difficult problems, as for nthpc ; by means of mechanism analysis about deicing - agent ingredient and anti - freezing at early period, adopting composite technique routine of mineral addition + anti - freezing element + water - reducer4 - air - entraining + anti - erosion of steel component etc, based on orthogonal experimental approach, fd - 1 composite functional admixtu re was manufactured, which has more property and orientation on qing - zang railway
負溫混凝土由於和普通混凝土在施工環境及服役環境上存在的差異，因此表現為比普通混凝土更為較高的耐久性要求；負溫混凝土首先要避免早期的凍害以及具備長期抗凍性能，才能夠滿足工程實際應用的要求，這也是負溫混凝土必須解決的兩大技術關鍵；通過對目前常用防凍劑組分作用機理的分析研究及混凝土早期防凍機理探討，採用礦物外加劑+防凍組分+高效減水劑+引氣+阻銹組分功能復合的技術路線，通過正交試驗設計復配了適應青藏鐵路工程要求的專用多功能復合型外加劑fd - 1 ；並在此基礎上配製不同等級負溫高性能混凝土，開展一系列包括硫酸鹽侵蝕、氯離子滲透、抗凍融循環、收縮及耐磨性等耐久性能研究；通過對fd - 1組分和摻量的調整，優化負溫混凝土在施工特性、力學指標和耐久性三個方面的兼容、協調性。On the base of var. analysis significance of the experimental treatment, we investigated crop response to water - salt stress regularity, studied the quantity relationship about crop yield and soil water and salt, established a function about them referring to blank and jense water model. conclusions as follows : ( 1 ) the effect of germinating time and rate emergence are different in soil with different salt content, and limited seriously in heavy saline soil
在方差分析確認試驗處理顯著的基礎上，對作物生理生育指標（株高、莖粗、葉片數、花盤直徑、干物質量、葉水勢、籽實產量）進行統計分析探索作物水鹽響應規律；研究作物產量與土壤水分鹽分聯合作用的定量關系，參照水分的blank加法和jense乘法模型結構，建立作物水鹽響應模型。From the evaluating index system, which is closely related to the urban economics and reflect the extend function of real estate industry, it is comparatively deeply discussed the close relation between real estate industry and the optimized industrial structure and the strategic role in development of the urban economic, which is learned from the civil and the foreign especially the practice in the developed countries, combined the shenzhen special zone particularly the developing practice of the yantian district and the bao ' an district
本文採用產業經濟學和區域經濟學的研究方法，從與區域經濟密切相關的反映房地產業外部功能評價指標體系研究出發，通過國內外特別是國外發達國家實踐，結合深圳特區尤其是鹽田區、寶安區的發展實際，較為深入地探討了房地產業與產業結構優化的緊密聯系以及在區域經濟發展中的戰略地位。The specific methods : 1. to ascertain five control indications including suspended solid content, grain diameter median, oil content, iron bacteria and saprophytic bacteria by carrying out the experiment of core flow ; 2. to ascertain indications of sulfate reducing bacteria and average corrosion rate by carrying out the experiment of revolving corroded test pieces ; 3. to ascertain indications of average scaling rate and total mineralization degree by carrying out the experiment of scaling prediction and sensibility
具體的做法是：採用巖心流動試驗確定懸浮固體含量、顆粒直徑中值、含油量、鐵細菌和腐生菌五項控制指標；採用旋轉腐蝕掛片實驗確定硫酸鹽還原菌和平均腐蝕率指標；採用結垢預測和敏感性實驗確定平均結垢率和總礦化度指標。Abstract : the method of using formaldehyde buffer solution a b sorption - hydrochloric pararosaniline spectrophotometry to determine sulfur diox ide in air has higher sensitivity and good selectivity, and prevents from adoptin g mercurial absorbent. but the conditions in lab are not well controlled, the v alue of reagent blank and standard curvilinear slope can ' t accord with the one s tipulated in “ methods for air and waste gas monitoring and analysis ”. some opra tional techniques for so2 determination in lab are introduced for reference
文摘:以甲醛緩沖溶液吸收-鹽酸副玫瑰苯胺分光光度法測定空氣中的二氧化硫，方法靈敏度高，選擇性好，避免了使用含汞的吸收液，但如果實驗條件控制不好，試劑空白值及標準曲線的斜率就會不符合《空氣和廢氣監測分析方法》中規定的值，本文著重從操作技巧方面對二氣化硫測定的實驗室質量控制進行分析，僅供參考。Based on the review of national and international research results of slight saline water utilization, combined with the national 863 project " the study on the safety and effective use of slight saline water and regeneration water ", a salt water irrigation test was carried out to analyze salt - water transfer and its effect on crop physiological process and yields through the theoretical analysis and indoor and field experiment method
本論文在借鑒國內外微鹹水利用研究成果的基礎上，結合國家「 863 」項目?微鹹水和再生水安全高效利用技術研究，針對微鹹水利用中存在實際問題，採取了理論分析與室內外試驗相結合方法，開展了微鹹水灌溉對土壤水鹽運移特徵以及作物生理指標和產量影響的研究，取得如下結論。Practical salinity scale
實用鹽標It is a serious issue that water and nitrogen input rates are unreasonable high in vegetable production in china, which may increase nitrate accumulation in vegetable and ground water contamination. in result, these will be harmful to people ' s health. the objectives of this paper which based on column % pot and micro - plot experiments were to compare the effects of different water and nitrogen supply strategies on nitrogen leaching in the soil profile and nitrate accumulation in vegetable as a base for the n and water recommendations in vegetable production
針對蔬菜生產中水氮投入過量造成蔬菜品質下降、地下水硝酸鹽含量超標，水、肥資源的浪費以及給人體健康造成的潛在性威脅的實際情況，以油菜和芫荽為研究對象採用模擬土柱、盆栽和田間微區試驗相結合方法系統監測了蔬菜生育期內硝酸鹽含量的動態變化以及收獲后不同土層土壤硝態氮的殘留量，研究了水氮對蔬菜硝酸鹽累積的影響及對土壤硝態氮殘留的效應。分享友人