水質本底 的英文怎麼說
中文拼音 [shuǐzhíběnde]
水質本底
英文
water quality background- 水 : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
- 質 : Ⅰ名詞1 (性質; 本質) nature; character; essence 2 (質量) quality 3 (物質) matter; substance;...
- 本 : i 名詞1 (草木的莖或根)stem or root of plants 2 (事物的根源)foundation; origin; basis 3 (本錢...
- 底 : 底助詞(用在定語后, 表示定語和中心詞之間是領屬關系, 現在多寫作「的」)
- 水質 : water quality水質保護 [環保] water quality protection; 水質標準 water standard; water quality sta...
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Benthic foraminifer fauna, ams14c dating and acoustic sub - bottom profile was analyzed in the core ey02 - 2 and ey02 - 1 drilled from the muddy deposit in the middle southern yellow sea and the mid - shelf of north east china sea. considering the results of core qc2 ? dz4 and the standard oxygen isotope curves, we discussed the late - quaterenary paleo - environment evolution, benthic foraminifer fauna, paleo - climate, the climate events and water mass in postglacial period, average sedimentation rates, paleo - water depth, origin of sediments, average sea level rise rate in the shelf of south yellow sea and east china sea. at last we discussed the condition of sea level rise in the east china, green house effect and the protection of coastal zone
本文根據南黃海中部泥質區和東海中陸架的兩個鉆孔巖芯的古生物、 ams ~ ( 14 ) c測年、淺地層剖面等,參考qc _ 2 、 dz _ 4成果及標準氧同位素曲線探討了黃東海陸架晚第四紀古環境演化、底棲動物群特徵、古氣候、冰後期以來氣候事件、古水團、沉積速率、古水深、沉積物源、海平面平均上升率,討論目前中國東部海平面上升的狀況、溫室效應及海岸帶保護。Applying system theory to study mineralized belt or concentrated area has been a hot topic recently. this paper applied new theory of modern seafloor hydrothermal sedimentary minerlization, sequence stratigraphy, mantle plume or hotspot and metallogenic series to study systematacially characteristic of geology and geochemistry of seafloor hydrothermal sedimentary deposits and hydrothermal sedimentary - rebuilded deposits and gold deposits
論文應用現代海底熱水沉積成礦研究成果、層序地層學、地幔熱柱或熱點理論及礦床成礦系列理論等,對本區熱水沉積型鉛鋅(銀)礦床、熱水沉積-改造型鉛鋅(銀)礦床和金礦床進行了詳細的地質地球化學研究。We find that the petrology characteristic of all the samples have no characteristic of meteoric water such as geopetal structure, infiltrative sand, ( uniform cement and gravitational cement on base of the research of the dolomite in the regions. on the dot diagram of combination of mgco3 ( mol % ) and sr, the dot are all close to the line of seawater whether they are microlite - crystalline penecontemporaneous dolostone or diagenetic dolostone of various crystals. the 87sr / 86sr value of dolostone or matrix is less than the one of sparry calcite in cave or vein, and close to the value of seawater
通過本區白雲巖的研究發現:已有的白雲巖樣品的巖石學特徵沒有顯示出如示底構造、滲濾沙、新月型膠結物和重力膠結物等大氣淡水作用的特徵;在白雲石mgco _ 3mol百分數和白雲石sr含量的投點圖中,無論是準同生成因的泥?微晶白雲巖,還是粉?細晶(或中晶,或細晶以上的不等晶)的成巖白雲巖,均投在海水線的附近;白雲巖(或基質)的~ ( 87 ) sr / ~ ( 86 ) sr比值顯著低於與孔洞或脈中充填的亮晶方解石,且與海水值十分接近, ~ ( 13 ) c和~ ( 18 ) o值顯著高於孔洞或脈中充填的亮晶方解石,也偏向于海水值; mn含量則顯著低於孔洞或脈中充填的亮晶方解石。Using the opened thermosiphon of 38x3 as experimental element and water as working fluid, the characteristics of dynamic low load boiling, stable severe boiling heat transfer coefficient and critical heat flux are gotten for the opened thermosiphon at the pressure of 0. 02 - 0. 1mpa and 0. 1 - 0. 8mpa respectively, which makes up the drawback that the opened thermisiphon has not yet accurate boiling heat transfer relationship formulas. by means of experimental results, an opened thermisiphon waste heat recovery boiler is designed for the high temperature gases that the positi e electrode copper refining furnace exhaust, which overcomes effectively the drawback of short life, little capacity and unable to inspect that the closed steel - water thermosion has
本文以工程上常用的38 3的開口封底為實驗元件,以水為工質,對開啟式熱管內的動態低負荷沸騰、穩態旺盛沸騰及臨界沸騰特性進行系統的可視化實驗研究,實驗壓力為0 . 02 0 . 8mpa ,實驗得出了38 3的開口封底管在工作壓力為0 . 02 0 . 8mpa和0 . 1 0 . 8mpa下的管內沸騰傳熱系數及臨界熱負荷計算關聯式,彌補了開口封底管? ?這一新型傳熱元件尚無準確的沸騰換熱關聯式的缺陷。Abstract : based on 1 50 000 high - precision aeromagnetic data of 1996 and consulting other geophysical and geological data, this paper has analysed the framework of basement structure and fault structure and, in particular, probed into the relationships of aeromagnetic field characteristics, basement structure and fault structure to the distribution of underground thermal water. on such a basis, the paper also makes a preliminary analysis of the prospects of underground water in this area
文摘:以1996年1 5萬高精度航空磁測資料為基礎,參考其它地球物理及地質資料,對山東黃河口地區基底構造、斷裂構造格架進行了分析,尤其是探討了航磁場特徵、基底構造、斷裂構造與地下熱水分佈的關系,在此基礎上對本區的地熱水遠景進行了初步的分析。Then, it summarizes the present situation of geophysical methods, and presents an introduction to some methods such as mine direct current method, mine transient electromagnetic method and geological radar exploration
本文簡要介紹了我國煤礦生產的發展趨勢,說明地質構造及煤層頂、底板水問題是當前煤礦深部開采中所面臨的主要地質問題。However, dry weather flow interceptors are only interim measures. as is always the case, it is improved sewerage that makes the biggest difference to river water quality
然而旱季截流設備僅是臨時性的減污措施,要徹底改善河溪水質,完善全港的污水系統才是治本之法。The soi is of crystal quality and the box is uniform in thickness, with the interfaces of si / sioa / si smooth and sharp. we have systematically studied the dependence of the formed soi structure on the process parameters, such as ion energy, implantation dosage, substrate temperature, as well as the annealing temperature. with xtem, sims, srp, rbs, ir, raman, aes, xps and other characterization tools, it was found that a dose window at fixed energy for water plasma ion implantation to form high quality soi structure similar to the conventional simox process exists
本論文還系統地研究了不同注入劑量、注入能量、注入時基底溫度以及退火溫度對所形成soi結構性能的影響,藉助xtem 、 sims 、 srp 、 rbs 、 ie 、 raman 、 aes 、 xps等測試分析手段,我們發現,與傳統注氧隔離( simox )技術類似,存在著「劑量窗口」形成優質的soi材料,但在水等離子體離子注入方式中soi材料結構質量對劑量變化更為敏感,隨著注入劑量的增大, soi材料的埋層厚度增大而表層硅厚度減小。The authors analyzed the water quality and bottom sediment quality near the zhuyuan and bailonggang sewage outfalls and compared them with those from the large waters of the changjiang estuary
摘要本文分析了上海竹園和白龍港兩處污水排放口附近水域的水質和底質現狀,並與長江口大水域進行比較,研究了城市污水排放對長江口局部水域造成的污染和對水域富營養化的影響。Surrounding these special problems met in gas hydrates exploration and through study of high - precision magnetic survey, the sea test by r / v haiyang 1y that is owned by guangzhou marine geological survey in dongsha area of the south china sea, systematical analysis of the test result and combination interpretation of magnetic survey with seismic profile, the authors successfully employ the method to recognize the truth or false of the diapir in seismic profile by integrating total field of high - precision marine magnetic measurement with its gradient change
本文就目前天然氣水合物調查中存在的這些特殊技術問題,通過對海上高精度磁力測量技術方法研究、廣州海洋地質調查局「海洋四號」船在南海北部東沙海域的海上試驗、對試驗結果的系統研究分析以及磁測和地震剖面兩種手段的綜合解釋,成功地嘗試了用高精度海洋磁測成果中的磁力總場和梯度變化特徵來識別水合物勘探中高解析度地震剖面上的泥底辟構造真偽的技術方法。By contrast, a substantially lower investment through the compensation scheme in order to create no - take zones in the north - eastern waters would create a natural underwater parkland of unprecedented magnificence and scale, attracting thousands of local and international visitors and providing the foundation of profitable businesses and employment. it is also noted that the government has so far spent over hk 100 million on its artificial reef programme, whose benefits have been questioned by both the fishing industry and conservationists
相反,于東北水域設立禁捕區,只需較少的投資如通過補償計劃,便可建立一個面積大的天然海底公園,定能吸引數以千計的本地及外國遊客,對本港商業及就業市場都會帶來好處目前港府於人造漁礁計劃中已投資了億港元,漁民團體及環保組織均質疑有關項目的成效。If the parasite can alter rat behavior, does it have any effect on humans ? dr. e. fuller torrey associate director for laboratory research at the stanley medical research institute noticed links between toxoplasma and schizophrenia in human beings, approximately three billion of whom are infected with t. gondii : toxoplasma infection is associated with damage to astrocytes, glial cells which surround and support neurons. schizophrenia is also associated with damage to astrocytes
雖然那是科幻故事,但就寄生蟲到底能否改變人類行為這一說法,目前科學界還真掌握了不少論據:首先,世界上約有300萬精神分裂癥患者同時感染了弓漿蟲病感染弓漿蟲與大腦內星形膠質細胞受損有關星形膠質細胞是一種圍繞和支持神經元的神經膠質細胞,而神經分裂癥同樣與星形膠質細胞受損有關本身具有高水平弓漿蟲The objective of this research is to test the rcc from ] st to 6th order streams of changjiang river watershed in southern mountain area of anhui province, to explore the function and structure of macroinvertebrate community succession rule of the river. the changjiang river water quality asse ssment is carry on by comparison of the community characters of the point - pollution or non - point pollution sites to the hypothesized rcc, the macroinvertebrate community structure indices and bi index were used in the assessment
本文對閶江河底棲動物群落結構和功能進行了系統研究,運用河流連續性理論對該河一至六級支流各取食功能團比例的演替規律及毛翅目成蟲的群落結構進行了比較分析,並通過計算底棲動物群落結構指數和bi指數,對該河進行了水質評價。On the basis of previous studies, the paper presents a comprehensive review and summary on the influence of sediment to water quality in the yellow river, highlighting four issues : 1 the influence of the sediment on pollutant behavier, 2 the relationship between sediment - associated natural organic matter and water quality parameters of oxygen - consuming organic pollutants and its influence on the assessment of the water quality in the yellow river, 3 the relationship between the heavy metal background values of the sediment and the water quality parameters of the heavy metals and its influence on the assessment of the pollution of the yellow river, 4 the influence of sediment ? ? containing much carbonates in the yellow river on the water quality and the monitoring of the water quality
黃河是世界上罕見的多泥沙河流,泥沙與水相互作用對黃河水質產生顯著影響。根據以往研究工作,對黃河泥沙與水質的關系問題作全面的總結評述和展望,著重於4個問題: 1黃河泥沙對污染物行為的影響2黃河泥沙中的天然有機質與黃河耗氧有機物水質參數的關系和對污染評價的影響3黃河泥沙中的本底量重金屬與黃河重金屬水質參數的關系和對污染評價的影響4黃河泥沙中的碳酸鹽對水質和對水質監測研究的影響。On the basis of previous studies, the paper presents a comprehensive review and summary on the influence of sediment to water quality in the yellow river, highlighting four issues : 1 the influence of the sediment on pollutant behavier, 2 the relationship between sediment - associated natural organic matter and water quality parameters of oxygen - consuming organic pollutants and its influence on the assessment of the water quality in the yellow river, 3 the relationship between the heavy metal background values of the sediment and the water quality parameters of the heavy metals and its influence on the assessment of the pollution of the yellow river, 4 the influence of sedimentcontaining much carbonates in the yellow river on the water quality and the monitoring of the water quality
黃河是世界上罕見的多泥沙河流,泥沙與水相互作用對黃河水質產生顯著影響。根據以往研究工作,對黃河泥沙與水質的關系問題作全面的總結評述和展望,著重於4個問題: 1黃河泥沙對污染物行為的影響2黃河泥沙中的天然有機質與黃河耗氧有機物水質參數的關系和對污染評價的影響3黃河泥沙中的本底量重金屬與黃河重金屬水質參數的關系和對污染評價的影響4黃河泥沙中的碳酸鹽對水質和對水質監測研究的影響。The main effect factors include : 1. microbial species, which seem to have different degradation rate under varied circumstances and n - alkanes ; 2. physical and chemical properties of crude oil itself, which have an important effect on biodegradation, such as conglutination, boiling point, refractive index, ingredient and concentration of the oil ; and 3. culture condition of microorganism, under which the degrading activity of microorganism will be affected by surfactant, light condition, sorbent, nutrition, co - metabolite, oxygen, temperature and salinity during the inoculation of selected or indigenous microorganisms
其中主要影響因素包括:菌種的影響,菌種在不同的環境中和對不同碳鏈長度的碳氫化合物表現出不同的降解效率;石油物質本身物理化學特性的影響,如石油物質在水體或土壤中的濃度以及石油的粘度、沸點、折射率等特性;生存環境條件的影響,在接種入高效率的降解菌或利用土著微生物進行降解時,降解率受到生存環境中各種條件的影響,如表面活性劑、光照條件、吸附劑的利用、營養鹽、共代謝底物、氧氣、溫度、鹽度等。Under the programme, epd staff collected samples of marine water and bottom sediment from across seven different water control zones representing the full geographical range of hong kong waters : mirs bay, tolo harbour, junk bay, victoria harbour, southern, north western and deep bay. at the same time, samples of marine biota including fish, bivalves, shrimps and mantis shrimps were collected from five water control zones
根據監測計劃,環保署人員在全港的七個水質管制區內採集海水及海底沉積物樣本,其中包括大鵬灣吐露港將軍澳維多利亞港南區西北部及后海灣水質管制區,此外並在五個水質管制區內收集海洋生物樣本,包括魚類雙殼貝蝦及瀨尿蝦作化驗。Qiandaohu lake was very famous for its clean water quality. but in recent years the water body has become seriously eutrophic especially during summer months in some areas of the lake and came to the attention of national, provincial and city environment protection agency. the main objective of this study involved the following : sampling and monitoring water from the lake ; water quality assessment and biological assessment ; ascertain the limiting factors for phytoplankton growth ; fuzzy cluster analyse of water pollution of all sampling points ; predicting total phosphorus concentration in the lake by using static models ; setting up regression models and their application ; setting up an eco - dynamic model and its simulation
本研究根據1998 - 2000年連續監測數據,對千島湖進行了水質評價和生物評價;分析了千島湖水體富營養化的限制性因子;同時根據千島湖各個取樣點的污染狀況,對千島湖進行水環境質量區劃;利用前人的經驗統計模型預測了千島湖現有的磷濃度水平及治理所需要削減的污染物負荷量;並且組建了多個回歸統計模型,運用這些模型預測千島湖水體中的總磷濃度;最後根據多年水質、底質、生物等方面的監測數據以及千島湖流域的氣象和社會經濟狀況的資料組建機理性的千島湖富營養化模擬模型。Iso water quality - guidelines for quantitative sampling and sample processing of marine soft - bottom macrofauna iso 16665 : 2005 ; german version en iso 16665 : 2005
水質.海洋軟體底棲動物的定量采樣和樣本處理指南Summary of marine sediment quality at marine stations in the 10 wczs in hong kong 2001 - 2005
2001年至2005年本港十個水質管制區內監測站的底層沉積物質量統計分享友人