過渡帶 的英文怎麼說
中文拼音 [guòdùdài]
過渡帶
英文
aprons-
Based on the studies of petrotexture, structural deformation and the relevant metamorphism, this paper indicates that this peridotite massif is the product of ultramafic magma cumulated at the crust - mantle transtion zone and has undergone the early stage of plastic deformation under the condition of granulite facies （ 800 ） and late ductile shearing at amphibolite and greenschist facies in relevance to uplifting
本文通過巖體的結構、構造變形及相應的變質作用研究，提出了該橄欖巖體是由超基性巖漿在殼幔過渡帶結晶而成，並經歷了與圍巖一致的麻粒巖相（ 800 ）條件下的早期塑性變形以及角閃巖相和綠片巖相退化變質條件下與逆沖上升有關的韌性剪切變形。The results showed that the mean proportion of polymorphic loci ( ppb ) of anabasis aphylla, which comprised 3 subpopulations ( 58 individuals sampled ), generated by 16 primers was 94. 56 %, the value of ppb of ceratocarpus arenarius, which had 4 subpopulations ( 80 individuals sampled ), using 16 primers was 98. 00 %. the paper had proved that the higher genetic diversity and the genetic differentiation existed in the populations of boih anabasis aphylla and ceratocarpus arenarius, while the latter had much more genetic diversity than the former. moreover, the study discussed the shannon information index and nei ' s gene diversity index of the two species natural populations, which indicated that there were more genetic variations within the subpopu
另外，通過rapd資料的聚類分析及相關性分析研究，發現無葉假木賊和角果藜自然種群的遺傳結構與綠洲沙漠過渡帶的微生境生態因子（主要是土壤因子）相關，其中無葉假木賊亞種群遺傳多樣性水平不僅與土壤含水量（ w ） 、鉀鈉離子濃度（ k + na ）和氯離子濃度（ cl ）呈顯著的正相關（ p 0 . 05 ） ，還與土壤中有機質（ som ） 、全氮（ nt ）和全磷（ pt ）含量呈顯著的負相關；同時，角果藜種群的遺傳多樣性水平與土壤中有機質（ som ）和全氮（ nt ）含量呈顯著的正相關，而與co _ 3 ~ （ 2 - ）濃度呈顯著的負相關；除此之外，其它土壤生態因子與兩物種遺傳多樣性水平的相關性均不顯著（卜0 . 05 ） 。The lower zone and the bronzite of the transition zone may be compared with the basal zone of the still-water complex.
下巖帶和過渡帶的古銅輝巖可與斯蒂爾沃特雜巖的基底巖帶相比。Intermediate zones of east - slope are in the way of oil travel and favorable territory oil moving to, so they are advantageous potential oil region
勘探層位以石炭系和二疊系為主。吉木薩爾凹陷斜坡過渡帶也是較為有利的潛在含油區。There are eight large deserts and four large sandlots in china. the area of keerqin sandlot is biggest of the four sandlots. and it lies in the west part of northeast china, the transition zone of inner mongolia plateau and northeast plain, and is the transition areas of daxingan mountain knap zone and west liao river plain, the interleaving section of agriculture and pasture in east china
我國有八大沙漠和四大沙地，科爾沁沙地在四大沙地中面積最大，它位於我國東北地區西部，地處內蒙古高原向東北平原的過渡帶，是大興安嶺西南丘陵區向西遼河平原過渡區和我國東部的農牧交錯區。The paper adopts some methods such as gas composition, carbon isotope, systematical analyzing and testing of reservoir bitumen biomarker from high evolutional natural gas and quantitative calculation of mixed gas, illustrates that natural gas from the section of jialingjiang formation is mainly attributed to sapropel type organic matter gas of permian, comes from carbonatite hydrocarbon rocks permian which most of them are overmature, its main gas source has nothing to do with carbonatite hydrocarbon rocks of jialingjiang formation themselves, presents in geochemistry characteristics of oil type cracked gas
摘要通過對川中川南過渡帶西部的磨溪潼南地區嘉二段天然氣組成、碳同位素組成、高演化天然氣儲層瀝青生物標志化合物的系統分析測試和混合成因氣的定量估算，闡明了該區嘉二段天然氣主要屬於二疊系腐泥型有機質成因氣，來源於二疊系過成熟為主的碳酸鹽巖烴源，主力氣源與嘉陵江組自身的碳酸鹽巖烴源無關，並具有油型裂解氣的地球化學特徵。The paper divided turbidite fan in deep water from long source into braided channel microfacies, inter - braided channel microfacies, medium fan over - belt microfacies, and external fan subfacies, and divided slump turbidite which related with delta into medium fan subfacies and external fan subfacies, and summed up 15 kinds of marking of subfacies and microfacies classification. at the same time, it formed a series of effective technology of analyzing turbidite source at the base of studying region geological which combined with analyzing the content change of terrigenous debris, with the found of logging facies, and with the ancient terrestrial magnetism test and other technology means under the guidance of three - dimensional model of turbidite which has been founded already and the flat surface feature of microfacies
將遠源深水濁積扇劃分為辮狀水道微相、辮狀水道間微相、中扇過渡帶微相和外扇亞相；將與三角洲有關的滑塌濁積扇劃分為中扇和外扇兩個亞相，並總結了濁積巖沉積劃分各種亞相、微相類型的十四種標志，分別為:巖石類型、層理類型、砂巖單層厚度、粒度結構特徵（粒度中值、分選性、概率曲線） 、生物化石、儲層物性（孔隙度、滲透率） 、泥巖隔層特徵（泥巖單層厚度、層數、顏色） 、鮑瑪層序組合和自然電位曲線特徵。4 reaumuria soongorica and haloxylon ammodendron in desert - oasis ecotone show random distribution. the seedling of h. ammodendron shows clump distribution
4 、過渡帶紅砂和梭梭服從隨機分佈，梭梭幼苗表現為聚集分佈。Due to different exploitation intensity and ecological restoration measures used in hongchiba region, wuxi county, the vegetation have been formed a series of succession stages, i. e. herbaceous stage scrub - shrub stage - shrub - tree stage - pure larix daempferi conifer forest stage - pinus armandii needle broad - leaved mixed forest stage - natural deciduous broad - leaved forest
巫溪縣紅池壩地區由於歷史上開發強度和生態恢復措施的不同，使當地植被形成了從草本群落灌木灌叢林灌過渡帶日本落葉松（ larixdaempferi ）針葉純林華山松（ pinusarmandii ）針闊葉混交林天然闊葉落葉林的一系列生態恢復演替階段。Situation, potential and strategies of grain production in double cropping region of china
北方農牧過渡帶農戶農業生產系統模式評價與優化研究According to the analysis on the lithogeochemical features and the carbon and oxygen isotopes of calcareous sandstones, it is realized that there some genetic relation between the formation of calcareous sandstone and uranium mineralization in the oxidation - deoxidation transitional belt, that is the precipitation and enrichment of uranium is accompanied by the deposition of carbonate and formation of calcareous sandstone
根據鈣質砂巖的巖石地球化學特徵，結合碳、氧同位素分析認為，氧化還原過渡帶中鈣質砂巖的發育與鈾礦化的形成具有一定的成因聯系，即在鈾沉澱富集成礦的同時，伴隨著碳酸鹽的析出作用，形成鈣質砂巖。3 eight communities are identified by gradient analysis in desert - oasis ecotone, and species are divided into 5 ecological groups. dca ordination is superior to cca and dcca. variation of vegetation explained by environmental and spatial factors reaches 23. 4 % ; among these the species matrix explained by non - spatial soil factors account for up to 11. 5 % of variation, spatial variation that is not shared by soil factors explains up to 11. 6 %, their interaction explains up to 0. 3 %
3 、通過梯度分析，阜康荒漠綠洲過渡帶群落可分為8個類型，物種可分成5個生態類型； dca排序效果優于cca和dcca ；土壤和空間因子解釋了植被分異的23 . 4 ，其中土壤因子佔11 . 5 ，空間因子佔11 . 6 ，二者交互作用佔0 . 3 。There were significant differences in character and diversity of spider community in the two habitats
棉田及相鄰荒漠過渡帶的蜘蛛有13科、 36屬、 39種。The two eco - systems can invert each other in some conditions. the ecotone between oasis and desert is the most prominent area to these activities. it records the most sensitive and intact information on the transition belt
而荒漠與綠洲之間的植被帶即過渡帶則最為敏感、完整地記錄了這兩大生態系統之間的相互作用與相互轉化。During the yanshanian phrase, the area is in the condition of contractional background, with multi - staged tectonic reversion. 5. through studying the origin of volcanic rocks and the characteristics of magma evolution, it concludes that there exist 3 originated areas of magma - from mantle, crust, and mantle - crust exchange. the basic magma of nandaling volcanic rocks of early jurassic is derived from upper mantle ; the magma of tiaojishan volcanic rocks of mid jurassic is formed in the contractional tectonic setting, and derived from the transition zone of crust and mantle interaction ; the acid magma of l
5 、通過巖石化學、微量元素、稀土元素的研究，探討了不同級別節律的火山巖成因、巖漿演化等特徵，認為本區燕山期火山巖有三個巖漿源區，即地幔源、地殼源和殼幔混源，早侏羅世的南大嶺旋迴的基性巖漿，起源於上地幔；中侏羅世髫髻山旋迴火山巖是在相對擠壓環境中，巖漿起源於殼幔過渡帶；晚侏羅世無負eu異常的酸性巖漿來源於下地殼的古老結晶基底的局部熔融，有負eu異常的酸性巖漿來源於上地殼的局部熔融；早白堊世火山巖基性巖漿起源於上地幔，中性巖漿起源於下地殼底部的殼幔過渡帶。The main results are as following : 1 species diversity indices are significantly different among communities in desert - oasis ecotone, but are low in general ; diversity indices based on important value and cover are more properly in arid desert areas
主要結論如下： 1 、阜康荒漠綠洲過渡帶物種多樣性在群落間差異顯著，總體上多樣性水平較低；對荒漠植被，以重要值或蓋度為指標計測多樣性指數較為可行。The results show that the relation between the bryoflora of houhe national nature reserve and that of mt. jinfu, shennongjia national nature reserve, jiugongshan national nature reserve is the most closest for their genera similarity coefficients are more than 50 %, which can be explained by the parallel geographical locations and the similar climatic characteristics of the compared areas
這可以從它們所處的地理位置和自然條件加以解釋。九宮山保護區與后河保護區處于同一緯度上，同屬于亞熱帶ftewe 』 w碩士學位論文wwgrmaster 』 stlffi徘季風氣候，都是北亞熱帶落葉闊葉林和中亞熱帶常綠闊葉林的過渡帶，氣候條件較為相似。Polymer flooding experiment in transitional zone in daqing oilfield
大慶油田過渡帶油層聚合物驅油試驗Case studies on the impact of climatic changes on the farming - pastoral transitional zone in historical period
氣候變化對歷史上農牧過渡帶影響的個例研究Mainly for the transtional zone, cooling zone, kiln hood of the cement kiln, circulation streamiation bedboiler, etc
主要應用於水泥回轉窯過渡帶、冷卻機、窯口等部位。分享友人