季鹽 的英文怎麼說

中文拼音 [yán]
季鹽 英文
quaternary salt
  • : 名詞1. (食鹽; 鹽類) salt 2. (姓氏) a surname
  1. Study on the synthesis of novel bactericide of polyphosphineamine salts

    新型聚?銨殺菌劑的合成研究
  2. There are many salt pans, fish farms, brushwood and gullies. when fish farms are drained in winter after yielding, fish surviving at the bottom of ponds and bathos will become the rich food source of water birds, and abandoned fish farms will be like natural swarms and habitats of birds

    此區多為田、魚瘟、灌木叢、潮溝,魚瘟冬收成放乾后,池底殘存的魚類及底棲生物提供水鳥豐富的覓食環境,而廢棄的魚瘟則形成半天然的沼澤則成為鳥類棲息地。
  3. Test study on two biocides, namely quaternary ammonium salt and isothiazolinelcetone, commonly used in circulatory cooling water system has been carried out, obtaining the relationship among dosage, actuation time duration, and the killed persontage, and putting forward the principle and points needing attention for selecting the biocide

    摘要對火電廠循環冷卻水系統常用的兩種殺菌劑及異噻唑啉酮進行了試驗研究,得出加藥量、作用時間與殺菌率的關系,並提出殺菌劑的選擇原則和注意事項。
  4. Six quaternary ammonium tetraphenyl borates salt photobase generators were synthesized with the use of p - methoxy phenacylmethylene or 2 - naphthoymethylene as chromophore, and triethylene diamine, pyridine or 3 - methyl pyridine as tertiary amine

    摘要以對甲氧基苯乙酮、萘乙酮生色團為母體、雜環叔胺三亞乙基二胺,吡啶, 3 -甲基吡啶和四苯硼為原料,合成了6種四苯硼光產堿劑。
  5. Chiral quaternary ammonium salts were synthesized from cinchonine in cinchona alkaloids using chloromethylated polystyrene - polyethylene glycol, diethylene glycol, triethylene glycol and glycol as polymer - supported phase transfer catalysts, finsl products were characterized by ftir, elemental analysis, scanning electron microscopy, x - ray photoelectron spectroscopy ( xps )

    摘要以金雞納生物堿中的辛可寧為原料,氯甲基化聚苯乙烯聚乙二醇、一縮二乙二醇、二縮三乙二醇、乙二醇等為載體合成了幾種聚合物負載的手性,並對它們的結構用紅外光譜、元素分析、掃描電鏡和x射線光電子能譜等測試手段進行了表徵。
  6. In consideration of the crises of both the industrial water and the domestic water in the estuarial areas of the yangtze river caused by the decrease of the channel runoff and the intrusion of the sea water during the dry season in dry year, the concept, method and planning framework of the water resources allocation for the areas mentioned above along the main stem of the river are put forward herein based on the preliminary prediction of the future water demands by taking the water resources allocation therein during the dry seasons as the actual case in combination with the status quo of the water environment and water resources utilization concerned

    摘要針對枯水年枯水,因河道徑流量較少,水入侵的頻率和強度顯著提高而引起的長江河口沿岸地區生產生活用水安全,文中結合長江口地區水資源利用和水環境現狀,以大通以下長江幹流地區在枯水水量分配為實例,在初步預測未來河口地區水資源需求的基礎上,提出長江口地區水資源配置的思路、方法及方案框架。
  7. By simulating river plume evolution under the combined action of tide and estival wind field averaged over many years, we have found that the modeled salinity distribution is consistent with the observed one rather well, which means the river plume development plays an important role in adjusting the salinity distribution in the surface layer of bohai sea

    通過檢驗河流羽流在潮汐和渤海夏多年平均風場共同作用下的發展特徵,發現計算得到的表層海水度分佈與實測值相當吻合,因此可以認為河流羽流發展對于渤海夏季鹽度分佈起著重要作用。
  8. Anji yuhong clay chemical co., ltd. has passed iso9001 and have perdected quality controlled system, there are 3 production line of automatic or semi automatic. we output 8000 ton betonies clay of yh series, 3000 ton inorganic gelatinate of yh series, 15000 tons used in water paint betonies clay of yh series, 35000 tons of casting betonies clay of yh series, 4000 tons 18311827 negion quaternary ammonium salt of series

    有自動化半自動化生產線三條,年產yh系列有機膨潤八千噸yh系列無機凝膠三千噸yh系列水性塗料用膨潤土五千噸yh系列土木工程膨潤土壹萬噸yh系列鑄造用膨潤土三萬五千噸yh系列1831 1827等陽離子四千噸。
  9. Results as following : in the east china sea and the yellow sea, zooplankton showed higher diversity in the low latitude and warm species occurred mainly in the south of 31 n, five communities were distinguished by twinspan method, based on data of species composition and environmental factors. they are : i ) yellow sea neritic community ( f ) with indicator species of labidocera euchaeta in autumn and centropages mcmurrichi in spring ; ii ) yellow sea central community ( hc ) with indicator species of themisto gracilipes, calanus sinicus and euphausia pacifica, the latter two species occurred only in autumn ; iii ) east china sea continental shelf mixed water community ( k ) with indicator species such as rhincalanus cornutus and pterosagitta draco which were confined in waters with high temperature and salinity, iv ) yellow sea and east china sea mixed water community ( he ) and v ) east china sea inshore mixed water community ( m )

    根據twinspan等多元分析結果,比較各組群的浮遊動物種類組成和環境特徵,可將東、黃海浮遊動物群落分為5個,黃海沿岸群落( f ) ,指示種秋為真刺唇角水蚤,春為墨氏胸刺水蚤;黃海中部群落( hc ) ,指示種以細長腳蟲戎為主,秋還有中華哲水蚤和太平洋磷蝦;東海外陸架高溫高群落( k ) ,指示種為角錨哲水蚤、飛龍翼箭蟲等多種狹布型暖水種類;黃東海交匯區群落( he )和東海近岸混合群落( m ) ,兩群落包含多種生態類型種類,其中溫帶近岸低種在he中較多,廣布性暖水種在m群落中較多。
  10. New developments of polycarboxylic acid derivative catalysts, ion exchange resin catalysts, macrocyclic chelating compound catalysts, quaternary phosphonium salt catalysts, heterogeneous hydrotalcite - type catalysts and other catalysts which to be used in ethylene oxide catalytic hydration, and the catalysts of synthesis method of ethylene glycol via preparation and reaction of ethylene carbonate are expounded

    闡述了用於環氧乙烷催化水合反應中的多羧酸衍生物催化體系、離子交換樹脂催化體系、大環螯合物催化體系、?催化體系、多相水滑石型催化體系及其他催化體系近年來的研究進展;同時闡述了用於碳酸亞乙酯法合成乙二醇反應中的催化體系的新進展。
  11. Preparation and property of polycation pva

    烷基醚化陽離子聚乙烯醇制備及性能
  12. Cationics are usually quaternary ammomium salts.

    陽離子表面活性劑通常為類。
  13. Purple soil classified as regosols in fao soil taxonomy and pup - cambols in china soil taxonomy, is one of well known soil types with the particularities such as weathering easily, high natural fertility, etc., and feeding population of 500 / km2. however, it often meets the water disasters ( sporadic flooding and serious seasonal drought )

    摘要紫色土是世界上一種特殊的土類,集中分佈於四川盆地,以其易成土性和富基性(自然肥力高)養育著500人以上平方公里的人口而著稱於世,但是它分佈的區域存在嚴重的節性乾旱和時有發生的洪災等水問題。
  14. There is an annual movement of salt with water in coastal solonchak in liaoning as follows : the thawing - evapo - salinization period in spring, irrigation - leaching - desalting period in rice growing season from may to september, evapo - salinization period again in late fall and relatively stable period in winter

    遼寧沿海土中分每年隨水移動如下:春為凍融-蒸發-化期, 5 ~ 9月為灌溉-淋洗-脫水稻種植期,晚秋為蒸發-化期,冬為相對穩定期。
  15. Based on the two ctd data sets from the cruise of the summertime in 2000 and wintertime in 2001 in bohai sea and the collected historic observed thermohaline data, we analyse systemically the distributional characteristics of temperature, salinity and density in wintertime and summertime in the bohai sea and the results reveal that the current hydrologic characteristics of the bohai sea have some obvious variances relative to the previous research results. in summer there are three low - temperature centers in the middle - layer and underlayer of the middle parts of the bohai strait, liaodong bay - mouth and bohai bay - mouth, but there is a uniform high - temperature center in the middle part of the bohai sea. in winter the isotherms extend westward and northward to the bohai sea from the warm core of the bohai strait and a cold - water tongue off the qinhuangdao spreads southeastward out, so the saddle - like isotherm pattern is formed in the middle part of the bohai sea

    利用2000年夏和2001年冬渤海兩次ctd資料和以前收集的渤海溫調查資料,分析了渤海冬、夏密度的分佈特徵,結果表明,渤海現有的水文特徵與以往研究結果相比發生了明顯的變異:夏在渤海海峽、遼東灣口和渤海灣口中部中、下層存在三個低溫中心,在渤海中部則出現一個上下均勻一致的高溫中心;冬等溫線以渤海海峽暖中心向西和向北兩個方向伸入渤海,而從秦皇島外海有一冷水舌向東南方向伸展,在渤海中部海域形成「馬鞍狀」等溫線結構。
  16. Surface - active agent that this kind of product uses, for instance : gather ethylene glycol, ren base phenol and gather oxygen and ethylene ether, gather the amine salt in alcohol ether, polyvinyl alcohol, alkyl sulphonate, season etc.

    該類產品使用的表面活性劑如:聚乙二醇、壬基酚聚氧乙烯醚、聚醇醚、聚乙烯醇、烷基磺酸等。
  17. We investigated the distribution of the heterotrophic bacteria with the epifluorescence microscope and measured the bacterial production with the tritiated tymicline incorporation method, and we investigated the correlation between the heterotrophic bacteria and chlorophyll, inorganic nitrogen also. there was distinct spatial distribution of the bacterial biomass in the east china sea and the yellow sea during fall and spring

    本文利用表面熒光顯微鏡觀測計數法和[甲基- 3h ]胸腺嘧啶示蹤法對春秋兩節我國黃、東海異養細菌生態分佈及其生產力狀況,以及異養細菌及其生產力與浮游植物葉綠素、無機氮之間的關系進行了研究。
  18. The last winter olympics games were held in salt lake city, usa

    最後冬奧運會在湖城被舉行,美國。
  19. He rescued the 2002 salt lake city winter olympics from disarray

    他的出手解救使得2002年的湖城冬奧運會沒有一團糟。
  20. The ommt used in this study were prepared by replacing na + ions in layered silicates with alkylammonium or alkylphosphonium cations by ion exchange. the two kinds of ommt can be represented by ammo - mmt and pho - mmt

    一種為採用烷基?有機化處理的mmt ( pho - mmt ) ;另一種為採用烷基處理的商品有機土( ammo - mmt ) 。
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