海積物 的英文怎麼說
中文拼音 [hǎijīwù]
海積物
英文
marine sediments-
Some factors affecting the alluvion and erosion of the yellow river delta are given and analyzed, including human activities, global warming and sea level rise, deep structure, deposits in the delta, local climate, some ocean factors such as current, wave, tide
此外,本文還分析了地質構造、沉積相和沉積物、氣象條件、海洋動力、海平面升高、人類活動等因素對黃河三角洲的沖淤演變的影響。The research indicates that the modern sediment is divided three layers : polluted layer, transition zone and unpolluted layer. just the pollute layer cause dianchi lake environmental pollution. the high value district of ammoniac nitrogen distributes near northern part haigeng mainly, middle part increase slightly, have most lower near southern part, the content of ammoniac nitrogen of the polluted layer sediment lower than the lower layer ; the high value district of effective phosphorus distributes near haikou - jinning, from the north to the south, the content of effective phosphorus increases progressively, the content of effective phosphorus of the polluted layer sediment obviously higher than the lower layer
研究結果表明:滇池現代沉積物主要分為三層,污染層、過渡層和未污染的湖泊沉積層,其中污染層是對滇池環境污染造成影響的層位;氨氮的高值區主要分佈在北部海埂附近,中部略有增高,南部則最低,表層沉積物的氨氮含量低於下層;而有效磷的高值區則分佈在海口?晉寧附近,由北向南,有效磷的含量依次遞增,表層有效磷的含量要明顯高於底層。Water quality - determination of acute toxicity of marine or estuarine sediment to amphipods
水質.海水或河口沉積物對端足類甲殼動物急性毒性的測定Standard guide for conducting sediment toxicity tests with marine and estuarine polychaetous annelids
用海洋和港灣多毛綱環節動物作沉積物毒性試驗的標準導則The main contents include : water environment, marine sediment and the trend monitoring of marine life quality ; at the same time, to consolidate the monitoring of the functional zones, such as seashore bathing places, oceanic reserves, marine aquafarms ; to set up the seashell monitoring and controlling zones in the sea areas of both pingtan and yunxiao at the first time ; to carry out the statistical monitoring of polder, exploiting sea sand, spartin aallerni flora, terrestrial sewages, etc., to carry out monitoring of the total quantity of pollutants into the offshore marine areas in the min river, the jiulong river as well as the municipal sewages of xinlin industry in xiamen and jiaocheng in ningde ; to carry out the red tide monitoring in the offshore marine areas of fujian province ; to implement time - lapse, pointing and continuous red tide monitoring of high frequency and high intensity in the sandu gulf, the min river estuary and offshore marine areas of xiamen
主要內容包括水環境、海洋沉積物和海洋生物質量的全海域環境趨勢性監測,同時加強了海水浴場、海洋保護區、海水增養殖區等功能區監測;首次在平潭和雲霄海域設置了貝類監控區;開展了圍填海、海砂開采、互花米草、陸源排污口統計監測;並在閩江、九龍江、廈門杏林工業排污口、寧德蕉城市政排污口鄰近海域開展污染物入海總量監測;在全省近岸海域開展赤潮監視監測,對三都灣、閩江口、廈門近岸海域赤潮監控區實施高頻率、高密度的定時定點連續監測。Source and distribution of biogenic matter in sediments at station of chukchi sea area
北極楚科奇海地區沉積物生源物質的來源和分佈Calcareous sediments accumulated on a sea floor and eventually were compacted and cemented to form limestone.
鈣質沉積物堆積在海底,最後壓緊並膠結形成石灰巖。Coastal deposits are those sediments deposited at or near sea level.
沿海沉積物是沉積在海平面或接近於海平面處的沉積物。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。Such rapid influxes of sediment probably overwhelm the bottom dwellers in an area.
沉積物如此迅速的匯集可能把這一地區的海底生物全部淹沒了。The assessment on the pollution of heavy metals in sediment of guangxi inshore
廣西近岸海域沉積物中重金屬污染評價Besides humic acid and kerogen, four soms consist of a special organic fraction black carbon ( bc ), it accounts for the least 18. 36 % of toc in marine sediment. and different fractions of som have different origin
四種土壤和沉積物有機質中除了腐殖酸和乾酪根,都含有相當數量的碳黑,最少的海洋沉積物有機質中碳黑含量也達到18 . 36 。Many research such as clay minerals, suspend in the sea, the grain size trend analysis of surface sediment, poc 6 cu and 8 c13 in bottom sediments etc. showed that : the yellow sea warm current divided the south yellow sea into two, the terrestrial material of modern sediment on the west shelf plain mainly came from the modem yellow river suspend carried by the alongshore current, and the sediment difference between the west and east side of yellow sea trough was represented by the sedimentation thickness in postglacial period, sedimentation stratum, and oxygen isotope record
粘土礦物、碳酸鹽、粗碎屑、海域懸浮體、表層沉積物粒度趨勢分析、 poc c ~ ( 13 )及底質沉積物的c ~ ( 13 )等多方面研究表明:以黃海暖流為主導,南黃海堆積陸架平原西側現代沉積物陸源物質主要源於黃海沿岸流攜帶的現代黃河懸移物質,黃海槽東西兩側的沉積差異主要表現在冰消期以來沉積厚度、沉積層序、氧同位素記錄上。It could play an important role in the evolution of " warm pool " area. more than 300 pure psychrophilic and psychro - tolerant bacteria were isolated from environmental samples
對深海沉積物和極地環境樣品進行了低溫微生物的分離和培養,得到了300多株嗜(耐)冷細菌,並對其進行了生長特性的分析。The profile of microbial community structures in different deep sea sediments was evaluated and the interaction between microorganisms and environment was analyzed by culture - independent molecular phylogenetic methods. psychrophilic and psychro - tolerant bacteria were cultured and used for screening the cold - active enzymes
此外,本文還對採集自太平洋的深海沉積物和南極、北極區域的樣品進行了低溫微生物的分離培養及低溫酶的篩選與性質分析。Based on the quantitative studies of siliceous microorganisms and terrestrial detritus in 12 surface sediment samples, which were recovered by the first chinese national arctic expedition team, in the bering sea, it goes without saying that diatom abundance is dominant within the microorganisms which consists of diatoms, radiolarians and sponge spicules
摘要中國首次北極科學考察在白令海?取了12個表層沉積物樣品,其中對矽質生物和陸源碎屑的詳細研究發現,它們主要由矽藻、放射蟲和海綿骨針組成。They may also make still and motion pictures of the trench, take water and sedimental temperatures, and perhaps sight no one knows what living creatures in that perpetual night
他們還要對海溝攝像攝影,測量水和沉積物的溫度,也許還能觀測到那永恆黑夜下中不為人知的生物。The stratification of beach deposits has been studied particularly.
對海灘沉積物的層理進行了著重研究。Poiycyclic aromatic hydrocarbons ( pah ) are priority trace organic pollutants in the clrtap ( convention on long - range transboundary air poliution ) pops ( persistent organic poilutants ) protocol. both laboratory experiments and fie1d surveys unequivocally demonstrated that pah adversely affect estuarine and marine organisms. pah are implicated in the development of iesions and tumors in fish, they produce biochemical disruptions and cell damage that iead to mutations, developmental malformations and cancel although many marine organisms do not exhibit acute responses to pah " exposure, but suffer sublethal effects
本論文以湄洲灣海域和廈門西海域養殖區為研究區域,採用現代分析技術,從分子水平上系統研究了多環芳烴( pah )在海水、沉積物、養殖魚類中的含量分佈:通過現場實驗,實驗室暫養、投毒和恢復實驗系統測定了養殖魚類的肝臟、膽汁、鰓、全血等不同器官、組織的生化指標及養殖魚類肝臟、膽汁的化學指標,探討了這些指標對水環境多環芳烴污染的生物指示作用。The global change study is one of the most spectacular and interesting environment scientific questions in the 1990 s. the message of global change stores in tree rings, ice core, loess, underground water, lake sediment and deep sea sediment, all these proxies record the information of global change. with the advances in stable isotope techniques, the isotopic tracer records the message of climatic variation and becomes a powerful tool that can understand paleoenvironment reconstruction and modern environment changing
全球變化研究是90年代以來最為引人注目和關切的環境科學問題之一。全球環境變化的信息儲存於樹輪湖泊冰芯黃土地下水和海洋沉積物等載體中,隨著穩定同位素技術的發展,同位素示蹤劑指示環境變化的信息,成為了解古環境再造和現代環境信息變化的一個強有力的工具。分享友人