?leachate

leachate發(fā)音

英：['li:t?e?t]　　美：['li:t?e?t]

英：　　美：

leachate中文意思翻譯

n. 浸出液

leachate常見例句

1 、Trial studies on landfill leachate treated by fenton oxidation-coagulation[J].Journal of Jiangsu Institute of Petrochemical Technology,2002,14(2):27-29.───Fenton-混凝法在垃圾滲濾液預(yù)處理中的試驗研究[J].江蘇石油化工學(xué)院學(xué)報,2002,14(2):27-29.

2 、Keywords landfill leachate ATA anaerobic toxicity;───垃圾滲濾液;ATA;厭氧毒性;

3 、The leachate from the biofilter was circulated back to the packing bed of biofilter.───反應(yīng)器的滲瀝液應(yīng)通過噴淋返回填料層。

4 、Exploration of Landfill Site Leachate Treatment Technology.───垃圾填埋場滲瀝水處理技術(shù)探討。

5 、Treatment of waste leachate with constructed wetland was introduced, including components and types of constructed wetlands, the principle of degrading organic matter, nitrogen and heavy metal.───介紹了人工濕地處理垃圾滲濾液,包括人工濕地的組成和類型,其去除滲濾液的原理,對有機物、氮和重金屬的去除原理。

6 、Microbial degradation by acclimated activated sludge was investigated to characterize biodegradability of landfill leachate.───利用馴化活性污泥法對組分復(fù)雜的垃圾滲濾液進(jìn)行有機物降解實驗。

7 、Keywords PRB technology;groundwater;landfill leachate;───可滲透反應(yīng)墻;地下水;垃圾滲濾液;

8 、Description is made if the selection of the process flowsheet and design (incl investment comparison);the roasting of jarosite slag as well as the extraction of leachate,etc.───介紹了某冶煉廠銦系統(tǒng)的工藝流程選擇、投資比較等設(shè)計情況,對鐵釩渣的焙解、浸出液的萃取等重要問題進(jìn)行了論述。

9 、TDR has advanced and matured technology and process in treatment of leachate, and it is the forthgoer and practitioner in domestic high standard treatment of leachate.───天地人在垃圾滲濾液處理方面已經(jīng)有了成熟的工藝和技術(shù)，是國內(nèi)垃圾滲濾液高標(biāo)準(zhǔn)處理的先行者和實踐者。

10 、Discussion of RO on Treatment Leachate from the Landfill Sites───反滲透法處理城市生活垃圾滲瀝液探討

11 、The influence of leachate on the settlement of Municipal Solid Wastes (MSW) is studied according to the laboratory test designed by author.───依據(jù)作者設(shè)計的試驗,研究了淋濾液在淋濾過程中對城市生活固體廢棄物(MSW)沉降變形的影響。

12 、Keywords landfill leachate;soil protozoa;ciliate;───垃圾滲濾液;土壤原生動物;纖毛蟲;

13 、This paper introduced the leachate control engineering and the assessment of leachate control effect of sanitary landfill area in north suburb domestic waste treatment plant of Hefei city.───介紹合肥市北郊生活垃圾處理總場衛(wèi)生填埋區(qū)防滲工程設(shè)計、施工和防滲效果的評估。

14 、Keywords refuse leachate;stripping;UBF;SBR;project debugging;───垃圾滲濾液;吹脫;復(fù)合高效厭氧反應(yīng)器;SBR;工程調(diào)試;

15 、As landfill site working,biochemical process and seepage of leachate always affect and change drainage layer permeability.───垃圾填埋場運行過程中,滲濾液的滲流和生物化學(xué)作用,不斷影響和改變著排水層的滲透性能。

16 、In order to reduce mercury pollution in the succeeding gold stripping,electrowinning,retorting and regeneration of the mercury-laden AC steps,the leachate is demercurated previously,i.───為消除后續(xù)解吸、電解、冶煉以及活性炭再生過程中的**污染問題,擬對堆浸富液進(jìn)行除**預(yù)處理,即采用沉淀-絮凝法選擇性去除富液中的**雜質(zhì)。

17 、New Technologies to Leachate Disposal of Garbage Incineration Plant───垃圾焚燒廠瀝濾液處理新型工藝

18 、Study of Biochemical Response of Minicipal Landfill Leachate───城市生活垃圾處理場滲濾液可生化性研究

19 、Intensive treatment of landfill leachate is the key tache for letting out leachate in the range of permission, the principle and specialty of intensive treatment of landfill leachate were introduced.───垃圾滲濾液的深度處理是滲濾液實現(xiàn)達(dá)標(biāo)排放的關(guān)鍵環(huán)節(jié),總結(jié)了滲濾液深度處理方法的原理及特點,指出了存在的問題及其發(fā)展趨勢。

20 、Design for the Leachate Treatment Project in Refuse Landfill Site───垃圾衛(wèi)生填埋場的滲濾液處理工程設(shè)計

21 、The leachate treatment technology should be selected after overall understanding of leachate quantity and quality, and it should give priority to physico-chemical m...───在對滲濾液水量和水質(zhì)全面直觀認(rèn)識后,再對生物反應(yīng)器填埋場滲濾液處理工藝進(jìn)行針對性的選擇和設(shè)計,并宜采用物化法處理方式。

22 、Keywords landfill leachate;bio-diatomite process;ammonia;───垃圾滲濾液;生物硅藻土;氨氮;

23 、Pollution control of leachate is considered one of the key points in garbage landfill.───城市生活垃圾填埋場設(shè)計的關(guān)鍵就是如何控制滲濾液污染。

24 、Recirculation could improve leachate quality dramatically with lower TOC, COD, BOD, VFA, NH+4-N, SS and higher pH level which made leachate treatment easy.───回灌能明顯改善滲濾液水質(zhì),顯著降低總有機碳(TOC)、化學(xué)需氧量(COD)、生化需氧量(BOD)、揮發(fā)性脂肪酸(VFA)、氨氮(NH4+-N)和懸浮固體(SS)濃度,并提高pH值,降低滲濾液處理難度.

25 、In order to solve pollution of landfill leachate and lack of productive water,certain south city municipal landfill construct landfill leachate reuse engineering construction.───南方某城市垃圾填埋場為解決垃圾滲濾液污染環(huán)境和生產(chǎn)雜用水短缺問題,建設(shè)了垃圾滲濾液回用工程。

26 、Different fertilization had significant effects on the contents of DTP in leachate.───不同的施肥條件顯著影響滲漏水的DTP含量,NP處理最高,DTP含量達(dá)到了0.047mg·L-1。

27 、Study on Treatment Methods of Waste Landfill Leachate───垃圾填埋場滲濾液的處理方法綜述

28 、The characteristics of MSW (municipal solid waste) landfill leachate are high pollution concentration, long enduring time, and will cause serious environmental pollution if it is discharged directly.───城市垃圾填埋場滲濾液污染濃度極高,持續(xù)時間長,若不加處理而直接排放,會造成嚴(yán)重的環(huán)境污染。

29 、Coal Slag and Soil Purification Test of Landfill Leachate───垃圾滲濾液的吸附凈化實驗研究

30 、So before biologic treatment to landfill leachate, removing high concentration of NH3-N in it is the predeterminative condition which guarantees and enhances the biologic treatment effect.───因此在對垃圾滲濾液進(jìn)行生物處理之前，脫除其中的高濃度NH3-N是保證和提高生物處理效果的先決條件。

31 、Inductive Effect of Vicia faba Root-tip Cells by Refuse Leachate───垃圾滲出液對蠶豆根尖細(xì)胞的誘變效應(yīng)

32 、Pilot experiment study of landfill leachate using UBF process───UBF處理垃圾滲濾液的中試研究

33 、SBR Process and Its Application in the Landfill Leachate Treatme nt───SBR法在垃圾滲濾液治理中的研究及應(yīng)用

34 、The construction of liner system is crucial for municipal household garbage landfill to prevent contamination of leachate from diffusing into the groundwater.───城市生活垃圾填埋場防滲層的建設(shè),對防止?jié)B濾液污染**具有決定性的作用。

35 、Based on generation and characteristics of waste leachate,currently developing and researching leachate treatments methods of domestic and oversea were introduced.───從垃圾滲濾液的產(chǎn)生及其特點出發(fā),介紹了國內(nèi)外正在開發(fā)和研究的垃圾滲濾液處理技術(shù)。

36 、Design Method of Waste Landfill Site Leachate Regulating Reservoir───垃圾填埋場滲瀝液調(diào)節(jié)池的設(shè)計思路

37 、Characteristics of different molicular weight fractions of organic matter in landfill leachate and their role in soil sorption of heavy metals.───垃圾填埋場濾瀝液中不同分子量分?jǐn)?shù)的特征及其在土壤重金屬吸收中的作用。

38 、The results of recycle technology produced in moderate -scale experiment in Laogang landfill suggested that leachate recycle could decontaminate the leachate and debase the charge of treatment.───回灌技術(shù)在上海市廢棄物老港處置場的中試研究結(jié)果表明：對填埋場進(jìn)行滲濾液回灌，能凈化滲濾液，降低滲濾液處理費用。

39 、domestic refuse landfill leachate───垃圾滲濾液

40 、Landfill leachate is composed of liquid coming from putrefaction of municipal solid waste and some external water.It has great potential threat to environments.───城市垃圾填埋場滲濾液是城市垃圾在進(jìn)行衛(wèi)生填埋處理時,垃圾腐化產(chǎn)生的內(nèi)源水和一些外來水分形成的液體。

41 、The high concentration of heavy metal ion from landfill leachate restrains the growth and metabolize of microorganism badly in bio-chemical treatment of wastewater.───垃圾滲濾液中的高濃度重金屬離子嚴(yán)重抑止了廢水生化處理過程中微生物的生長與代謝。

42 、The main reason of high COD in the landfill leachate is that it contains a great deal of recalcitrant contaminants.humic acid、fatty acid and amino acid are the main constituents.───垃圾滲濾液處理過程中COD居高不下的主要原因是其中含有大量難以生物降解的有機物,難降解有機物主要包括腐殖酸、棕黃酸和氨基酸等。

43 、Phosphorus fractions could enter water body from surface runoff and leachate due to excessive irrigation of centralized farm wastewater.───養(yǎng)殖場污水田間處理會引起土壤表面徑流和滲出液中的**組分流失。

44 、They tinkered with the ocean, lowering its temperature, adjusting the return of salty leachate, nudging its pH, and simultaneously guessing on a thousand other variables.───他們擺弄海洋，降低溫度，調(diào)整咸滲濾液的回流，稍稍改變它的PH值，同時推測上千的其他變量。

45 、The experiment provides theoretical basis for predicting the potential danger and safe disposal of leachate to environment.───為預(yù)測垃圾滲濾液污染物對環(huán)境的潛在危害和安全處置提供理論依據(jù)。

46 、In the design of Leachate equalization basin covering technology is introduced and the HDPE antiseepage geomembrane are used as the covering materials.───在調(diào)節(jié)池設(shè)計上采用浮蓋技術(shù),并用高密度聚乙烯(HDPE)土工防滲膜作為浮蓋材料,結(jié)合工程經(jīng)驗對填埋場滲瀝液調(diào)節(jié)池大面積池面加蓋的設(shè)計與施工進(jìn)行闡述。

47 、The influence factors including leachate recirculation frequency, quantity, rate, temperature and waste density must be considered in the operation of leachate recirculation.───在實施滲濾液回灌操作時，須綜合考慮濾液回灌頻率、回灌量、回灌速率、垃圾溫度和垃圾壓實密度等影響因素。

48 、Taking Tetrahymena thermophila as the object of the toxicity experiment,the biotoxicity variation of leachate in the anaerobic bioreactor landfill system was studied.───以嗜熱四膜蟲作為毒性試驗生物,對厭氧生物反應(yīng)器垃圾填埋系統(tǒng)滲濾液的生物毒性變化進(jìn)行了研究。

49 、Discussion on Discharge Standard of Landfill Leachate───垃圾填埋場滲瀝液排放標(biāo)準(zhǔn)的討論

50 、Crossing main underdrains installed DN500mm HDPE pipe in and branch underdrains installed DN200mm pipes lay on the bottom of landfill site.The pipes are used to collect and guide the leachate.───填埋區(qū)場底建有縱橫交錯的主盲溝和支盲溝，盲溝內(nèi)設(shè)有DN500毫米高密度聚乙烯HDPE管和DN200毫米管網(wǎng)的垃圾滲濾液收集導(dǎo)排系統(tǒng)；

51 、Air stripping to remove ammonia nitrogen in landfill leachate───吹脫法去除垃圾滲濾液中的氨氮研究

52 、Engineering Examples of Urban Refuse Leachate Treatment───城市生活垃圾滲濾液處理工程實例

53 、A certain amount of leachate will produce during short store in landfill before incineration.───在填埋和焚燒前的垃圾儲存中,會產(chǎn)生一定量的滲透液。

54 、With the influence of waste leachate seeping, the concentration of organic substances in landfill soil was higher than that in unpolluted soil.───受垃圾滲濾液影響,垃圾場周邊土壤有機物含量增加。試驗結(jié)果顯示,隨著土壤有機物含量的增加,土壤中有效態(tài)鐵錳含量增大。

55 、Image of Leachate Treatment Plant at Gin Drinkers Bay───位于醉酒灣的滲濾污水處理廠

56 、The concetion of the MDW bioreactor landfill,the definition and form of the leachate recirculation and the model of leachate's movement in the bioreactor landfill were introduced.───介紹了城市生活垃圾生物反應(yīng)器填埋技術(shù)的概念和滲濾液回灌的定義、形式和滲濾液在填埋垃圾中的運動規(guī)律。

57 、It means that the property of landfill leachate influences the organic matter content in the vadose zone;furthermore silt would more likely exaggerate the effects more than clay.───即滲濾液性質(zhì)對包氣帶介質(zhì)中有機物含量具有方向性的影響作用，而包氣帶介質(zhì)亞粘土比細(xì)砂更容易放大這種作用效果。

58 、Review of the schemes of MSW landfill leachate treatment───城市生活垃圾填埋場滲濾液處理方案探討

59 、The research trend of the leachate in waste landfill───垃圾填埋場滲濾液性質(zhì)研究進(jìn)展

60 、Based on evaluating the methods of total DNA extraction from solid waste and leachate,microbial diversities of solid waste and leachate were analyzed using ARDRA and RISA methods.───基于對生活垃圾及其滲瀝液提取總DNA方法的評價,采用ARDRA和RISA分析固體垃圾和滲瀝液的生物多樣性。

61 、The leachate will penetrate to the ground water and the soil if these holes don't patch immediately.───如果這些漏洞不及時被發(fā)現(xiàn)修補，垃圾滲濾液將會透過孔隙進(jìn)入地下水和土壤。

62 、Chiang L.C., Chang J.E., Wen, T.C. (1995),“Indirect oxidation effect in electrochemical oxidation treatment of landfill leachate”, Wat. Res. 29(2):671-678.───呂明和、張祖恩（1999），電解法處理含重金屬垃圾滲出水之可行性研究，第二十四屆廢水處理技術(shù)研究會：565-570，中華民國環(huán)境工程學(xué)會，中壢。

63 、Waste incineration plant leachate───垃圾焚燒廠滲瀝液

64 、The present status of landfill leachate pollution control technology is analyzed.The characteristic and effect of kinds of landfill leachate at home and abroad are summarized.───分析了垃圾滲濾液污染治理技術(shù)的現(xiàn)狀,總結(jié)了國內(nèi)外各種滲濾液處理工藝的特點及處理效果。

65 、Keywords landfill site;leachate;biological treatment;PSBR;───垃圾填埋場;滲濾液;生物處理;改良型SBR;

66 、Keywords waste leachate;evaporate;CTB process;wastewater treatment;───垃圾瀝濾液;蒸發(fā);CTB工藝;污水處理;

67 、Keywords arsenical sludge;making brick;toxicity of leachate;───含砷污泥;制磚;浸出毒性;

68 、The results showed that the concentration of dissolved organic carbon (DOC) in leachate from fresh litter fall was lower and that from F layer was higher for both plantations.───光譜特征。 結(jié)果表明,格氏栲和杉木人工林新近凋落物淋出液的DOC濃度較低,F層淋出液的DOC濃度較高;

69 、Sub-Filter Unit for Aduanced Treatment of Landfill Leachate───亞濾裝置用于垃圾滲瀝液的深度處理

70 、The determination methods of COD in waste leachate, including national standard method and spectrophotometry were compared.───主要研究了如何運用國標(biāo)法和分光光度法測定垃圾滲濾液中的COD值。

71 、Vent Flares are typically used on landfill gas vents, wells, or leachate system cleanout lines to combust flammable gases.───太陽能點火燃燒器主要使用在垃圾填埋場的氣體出口，井或滲漏系統(tǒng)來燃燒氣體。

72 、Results of treatment techniques, characteristics and research methods of the leachate were introduced from three scales: macroscopy, midscopy and microscopy.───從宏觀、中觀和微觀三個尺度對目前垃圾填埋場滲濾液的性質(zhì)、處理方法和研究手段進(jìn)行了系列介紹與比較。

73 、In these pits shops specialized channels, and impervious layer, used for the collection of refuse from fermentation gases and leachate.───在這些坑中鋪有專門的管道和防滲層，用來收集發(fā)酵產(chǎn)生的氣體和滲濾液。

74 、In this study,landfill leachate characteristics and several treatment technologies are summarized and discussed for further investigation of leachate treatment.───介紹垃圾滲濾液的水質(zhì)特征及其處理工藝,并就各自的特點作了對比分析。

75 、STUDY ON TREATMENT OF LANDFILL LEACHATE BY A PHOTOCHEMICAL PROCESS───光化學(xué)方法處理垃圾填埋場滲瀝液的研究

76 、During the collection and transportation of solid waste, it is a non-neglectable problem that the leachate from waste leaks or sprinklers along the road.───在垃圾收運過程中,垃圾污水沿途灑漏問題不容忽視。

77 、Keywords landfill leachate,AFB,ANAMMOX,biological denitrification;───垃圾滲濾液;厭氧流化床;厭氧氨氧化;生物脫氮;

78 、anaerobic leachate recirculation───厭氧滲濾液循環(huán)

79 、HE Houbo,XU Dimin.Influence of Refuse Dump Height in Landfill on the Leachate Recirculation Treatment[J].China Water &Wastewater,2003,19(1):9-12.───[1]何厚波,徐迪民.垃圾堆體高度對滲濾液回灌處理的影響[J].中國給水排水,2003,19(1):9-12.

80 、Through the contrasting experiment,the methods of degrading landfilled MSW and leachate are researched, and thus obtaining quite better effects from the means of MSW aerobic bio-reactor landfilling.───其中MSW好氧生物反應(yīng)器是強制通風(fēng)好氧填埋和滲濾液循環(huán)兩種填埋方式有機結(jié)合體。

蘇錫常地區(qū)地下水同位素研究新進(jìn)展

姜月華1 吳登定2，3 賈軍元1 許乃政1 王敬東1

（1.南京地質(zhì)礦產(chǎn)研究所，南京210016；2.中國地質(zhì)大學(xué)，北京100083；3.中國地質(zhì)調(diào)查局，北京100011）

摘要：通過對蘇錫常地區(qū)地下水同位素（氘、氧、硫、氮、氚和碳－14）地球化學(xué)研究，發(fā)現(xiàn)蘇錫常深層承壓水總體上未受到污染，而淺層地下水則受到了不同程度污染；認(rèn)為常州地區(qū)和蘇州無錫地區(qū)深層地下水（主采層）可能屬于兩個不同的含水層系統(tǒng)，含水層系統(tǒng)互相不連通或連通不暢；蘇錫常地區(qū)由于長期過量超采深層地下水，地下水側(cè)向逕流顯示出向開采中心流動的特征，但是地下水流動仍是極其緩慢；深層地下水總體處于半封閉－封閉狀態(tài)，深層地下水年齡在1.0～3.8萬年不等，其中，沿蘇錫常三城市一線（即開采中心區(qū)域）地下水年齡最老，向兩側(cè)地下水年齡則逐漸變新。

關(guān)鍵詞：蘇錫常；地下水；氫氧同位素；硫同位素；氮同位素；碳同位素

1 引言

蘇錫常地區(qū)位于中國長江三角洲南緣平原區(qū)，面積1.6萬km2。該區(qū)基巖出露零星，第四紀(jì)地層廣泛分布。第四紀(jì)地層沉積厚度自西向東、自南向北由80～230m，自下而上從下更新統(tǒng)至全新統(tǒng)發(fā)育齊全。根據(jù)地下水賦存的含水介質(zhì)和水力特性，蘇錫常平原地區(qū)第四紀(jì)松散巖類中可劃分出四個含水層組：潛水、微承壓含水層組、第1承壓含水層組、第2承壓含水層組和第3承壓含水層組。各層次地下水深度為潛水5～8m、微承壓含水層15～18m、第1承壓水38～50m、第2承壓水94～123m、第3承壓水110～176m。

本次工作主要通過對蘇錫常地區(qū)地下水環(huán)境同位素（氘、氧、硫和氮）和放射性同位素（氚和碳－14）組成的研究，探索蘇錫常地區(qū)地下水補逕排條件、超采地下水引起的流場變化以及蘇錫常地區(qū)地下水污染狀況。

2 取樣和測試

本次工作共采集放射性同位素碳（14C）27組、氚（3H）88組，環(huán)境同位素氘（2H）、氧（18O）88個，硫（34S）56組，硝酸根中氮、氧同位素（15N－NO3、15O－NO3）30組，此外，還采集了88組水質(zhì)全分析樣。取樣原則是以地下水為主，適量采集地表江、河、湖水和大氣降水；以區(qū)域地下水主采層（第2承壓水）和潛水為主，同時兼顧采集其他不同層次的地下水。放射性同位素碳（14C）和氚（3H）在中國地震局地質(zhì)研究所地震動力學(xué)國家重點實驗室測試，環(huán)境同位素氘（2H）、氧（18O）和硫（34S）在中國地質(zhì)科學(xué)院礦床地質(zhì)研究所同位素實驗室測試，硝酸根中氮、氧同位素（15N－NO3、15O－NO3）在中國地質(zhì)大學(xué)環(huán)境學(xué)院同位素實驗室測試，水質(zhì)全分析樣在南京地質(zhì)礦產(chǎn)研究所實驗室測試。

3 討論和結(jié)論

3.1 氘、氧同位素

地下水氘、氧同位素研究表明，常州地區(qū)深層承壓含水層組：δD：－64.3‰～－71.2‰，δ18O：－8.3‰～－6.4‰；蘇州無錫地區(qū)深層承壓含水層組以及部分潛水、微承壓含水層組：δD：－58‰～－41‰，δ18O：－8.4‰～－6.0‰。蘇錫常地區(qū)潛水、微承壓含水層和大氣降水：δD：－55‰～－41‰，δ18O：－3.0‰～－5.0‰；部分常州地區(qū)和蘇州無錫地區(qū)各含水層組的樣品：δD：－62‰～－42‰，δ18O：－6.5‰～－5.0‰。常州地區(qū)的潛水、微承壓水和承壓水樣品與蘇州無錫地區(qū)潛水和微承壓水樣品的樣點均落在大氣降水線下方，反映這些地下水均來自在大氣降水或地表逕流補給，補給之前均受到不同程度的蒸發(fā)；而蘇州無錫地區(qū)深層承壓水和部分潛水、微承壓水樣品的水樣點均落在大氣降水線上或附近，可能由于水巖相互作用－水解作用，使重同位素氧－18耗損所致。

蘇錫常地區(qū)地下水補給來源主要是大氣降水和部分地表水，人工開采和蒸發(fā)是其主要排泄方式。蘇錫常地區(qū)深層地下水徑流十分緩慢，總體上處于封閉－半封閉狀態(tài)。常州地區(qū)和蘇州無錫地區(qū)深層地下水含水層（主采層）可能系兩個不同的含水層系統(tǒng)，兩含水層系統(tǒng)互相不連通或連通不暢，這也與當(dāng)時古地理背景、放射性氚和碳同位素特征相吻合。

3.2 氚同位素

氚同位素研究表明，蘇錫常地區(qū)潛水氚值范圍在3.74～27.43TU之間；微承壓水氚值1.98～26.68TU；第1承壓水氚值6.05～13.52TU；第2和第3承壓水氚值0.04～23.27TU。潛水、微承壓和第1承壓含水層受降水和地表水混合程度較第2、3承壓含水層高。從氚、氧同位素關(guān)系可知，蘇州無錫地區(qū)深層地下水樣品氚小于3TU，δ18O界于－6.2‰～－9.0‰，表示地下水與遠(yuǎn)古的補給有關(guān)，而與現(xiàn)代水含水系統(tǒng)無關(guān)；蘇錫常地區(qū)潛水和微承壓水氚值總體在19～28TU之間，δ18O在－3.8‰～－6.0‰之間，為現(xiàn)代水，與50年代以來降水和地表水補給有關(guān)。

3.3 14C同位素

對蘇錫常地區(qū)地下水14C同位素研究表明，深層含水層地下水年齡總體在1.0萬～3.8萬年之間。在地面沉降中心的常州地區(qū)深層地下水年齡為2.0萬～3.0萬年，蘇州無錫地區(qū)為3.0萬～3.8萬年。深層地下水年齡結(jié)果表明沿蘇錫常三城市一線（即開采中心區(qū)域）地下水年齡最老，向兩側(cè)地下水年齡則逐漸變新，反映了區(qū)域地下水流場變化為在蘇錫常三城市一線的北東側(cè)，地下水向西南方向流動；在蘇錫常三城市一線的西南側(cè)，地下水向北東方向流動，但是，這種流動是極其緩慢的。

3.4 硫同位素

通過對蘇州無錫地區(qū)不同含水層組樣品的硫同位素研究，發(fā)現(xiàn)淺層地下水和深層地下水δ34S值差異十分顯著。深層承壓含水層樣品中δ34S值含量最高，范圍在50‰～75‰之間；潛水和地表水δ34S值含量最低，范圍在5‰～19‰之間；微承壓和第Ⅰ承壓含水層介于中間，范圍在20‰～45‰之間。從地表水和潛水→第1承壓水和微承壓含水→第2承壓水明顯反映了δ34S值呈現(xiàn)逐漸升高的趨勢。地下水中δ34S值與

華東地區(qū)地質(zhì)調(diào)查成果論文集:1999~2005

含量呈明顯的反比關(guān)系，即淺層地下水及地表水中

華東地區(qū)地質(zhì)調(diào)查成果論文集:1999~2005

含量越高，δ34S值越低，深層承壓水中

華東地區(qū)地質(zhì)調(diào)查成果論文集:1999~2005

含量越低，δ34S值越高。硫同位素研究結(jié)果表明，蘇州無錫地區(qū)深層承壓水及部分微承壓水未受到污染（δ34S值絕大多數(shù)均小于＋20‰）；而潛水和地表水大多數(shù)δ34S值含量低

華東地區(qū)地質(zhì)調(diào)查成果論文集:1999~2005

含量高，表明了潛水和地表水明顯受到污染，污染主要系酸雨影響，與當(dāng)?shù)毓I(yè)發(fā)達(dá)大量燃煤使SO2進(jìn)入大氣后溶入降水而達(dá)地下有關(guān)。

3.5 氮同位素

通過對常州地區(qū)不同含水層組樣品的氮同位素研究，發(fā)現(xiàn)常州地區(qū)淺層地下水δ15N檢出率（90％）遠(yuǎn)遠(yuǎn)大于深層地下水（40％），這與地下水樣品中的 含量實際測試結(jié)果淺層地下水 含量大于深層地下水相吻合，反映了淺層地下水中明顯受到 的污染，而深層地下水則幾乎未受到污染。常州地區(qū)潛水δ15N平均值（18.27）＞微承壓水δ15N平均值（12.13）＞第1承壓水δ15N平均值（2.16）＞第2承壓水δ15N平均值（5.58）＞第3承壓水δ15N平均值（4.95）。硝酸根中的氮同位素與硝酸根離子之間呈現(xiàn)出明顯的正相關(guān)關(guān)系，硝酸根中的氧同位素與硝酸根離子之間呈現(xiàn)出顯著的負(fù)相關(guān)關(guān)系。

潛水和微承壓含水層組樣品δ15N為10.03‰～32.83‰，δ18O12.50‰～20.76‰，反映了多數(shù)潛水和微承壓水受到了廄肥和污水污染；中深層承壓含水層樣品（第1承壓水、第2承壓水、第3承壓水）δ15N為2.163‰～6.208‰，δ18O17.051‰～23.201‰，以及部分潛水和微承壓含水層樣品δ15N為4.818‰～5.160‰，δ18O17.034‰～18.818‰，反映了 來源于化肥或大氣降水。

參考文獻(xiàn)

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New Research Advance of Groundwater Isotope in Suzhou, Wuxi and Changzhou Area

Jiang Yuehua1, Wu Dengding2,3, Jia Junyuan1,Xu Naizheng1, Wang Jingdong1

(1. Nanjing Institute of Geology and Mineral Resources, Nanjing 210016;2. China University of Geosciences, Beijing 100083; 3. China Geological Survey, Beijing 100011 )

Abstract: Based on the study of groundwater isotope (2H and 18O, 34S, 15N, 3H, 14C) in Changzhou, Wuxi and Suzhou area, the authors discover that the deep confined groundwater has no pollution on the whole, but the shallow groundwater are polluted in the different degree in the area. The deep confined aquifers ( main exploitation aquifers) in Changzhou area and in Wuxi and Suzhou area likely belong to two different aquifers. The main exploitation aquifers in Changzhou area are not connected with those in Wuxi and Suzhou area, or they are connected but not expedite. The lateral run-off of groundwater are at present charactered by flowing to exploitation center because of overexploitation deep groundwater during the long time, but the flowing speed of groundwater is still slow wondrously. The deep confined groundwater is in close-semiclose state, the age of groundwater varies from 10000 a to 38000 a. The nearest exploitation center (along the line of three cities of Changzhou, Wuxi and Suzhou), the oldest the age of groundwater; the furthest exploitation center, the newest the age of groundwater.

Key words: Changzhou; Wuxi and Suzhou area; Groundwater; 2H and 18O; 34S; 15N; 3H; 14C

電感耦合等離子體原子發(fā)射光譜法

ICP-OES 測量是基于原子和離子會吸收能量使所含電子從基態(tài)躍遷到激發(fā)態(tài)這一事實。在 ICP-OES 中，這種能量的來源是在 10000 K 高溫下工作的氬等離子體的熱量。激發(fā)態(tài)原子在返回低能級時會發(fā)射特定波長的光。在每一波長發(fā)射的光強度與發(fā)生相應(yīng)躍遷的原子或離子數(shù)成正比。朗伯-比爾定律描述了光強度與元素濃度之間的關(guān)系，通過建立光強和濃度關(guān)系的標(biāo)準(zhǔn)曲線，通過獲得的樣品信號即可測定元素濃度。目前，主流的ICP-OES儀器為全譜直讀，即所有的譜線可以同時檢測，以快速獲取所有元素信息