沙漠相 的英文怎麼說

中文拼音 [shāxiāng]
沙漠相 英文
desert facies
  • : 沙動詞[方言] (搖動以清除雜物) shake
  • : Ⅰ名詞(沙漠) desert Ⅱ形容詞(冷淡; 不經心) indifferent; unconcerned; aloof; cold
  • : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
  • 沙漠 : [地質學] desert; areg; [法國] koum; [印度] thar; erem ; eremo 沙漠草原 desert steppe; 沙漠沉積 de...
  1. 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過渡帶的微生境生態因子(主要是土壤因子)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 )含量呈顯著的正關,而與co _ 3 ~ ( 2 - )濃度呈顯著的負關;除此之外,其它土壤生態因子與兩物種遺傳多樣性水平的關性均不顯著(卜0 . 05 ) 。
  2. The study investigated aboveground growths of caragana korshinskii and artemisia ordosica planted in four modes, revealing that in different planting modes their densities, heights and canopy width and biomasses remained unchanged or tended to decrease slightly ; the young shoots of a. ordosica annually grew in a s - shaped cure and the young shoots of c. korshinskii grew fast in spring and grew slowly or cease to grow from july on ; the biomasses and leaf area indexes of c. korshinskii and a. ordosica annually varied in a double peak curve and there were 8 annual plants that invaded in the four planting modes and formed higher coverage ; the quadrat with only a. ordoska appeared to have obviously lower coverage and biomass that the other three quadrats

    摘要對騰格里東南緣2種人工植被檸條和油篙在4種配置方式下地上部分的生長動態進行了研究,結果表明:不同配置方式下它們的密度、高度、冠幅和生物量基本不變或略微呈下降趨勢;油篙新梢的年生長動態呈s型曲線,檸條新梢春季生長速度較快, 7月份以後生長速度緩慢或基本停止生長;檸條、油篙地上生物量和葉面積指數的年變化均表現為雙峰型, 4種配置方式下共有8種1年生植物人侵,並具有較高的植被蓋度;同其它3個樣地比,純油篙樣地1年生植物的密度、蓋度和生物量明顯偏低。
  3. Dealing with remote sensing data of different time ( 1987, 1996 landsat tm, and 2000 china - brazil earth resource satellite ccd ) and using the gis technology, the dissertation extracts the changing information of the desertification. the dissertation makes a dynamic remote sensing analysis on the desertification of the research region, and discusses the temporal and spatial evolving law of the desertification

    在技術上主要採用了1987 、 1996年的陸地衛星tm數據以及2000年中巴資源衛星1號ccd數據三個不同時的遙感數據進行圖像處理,並利用gis較強的空間分析功能,從中提取研究區土地化的變化信息,同時與研究區的其他信息數據進行疊加分析,探討了研究區土地化的時空演化特點。
  4. This paper, based on the grain - size analysis and the comparative result of the mz - o scatter gram of ancient aeolian sands in milanggouwan section with the modern dunes in mu us desert, holds that fossil eolian dunes are a proxy of the dune activation, and be regarded as " desert process ", while the overlying fluvio - lacustrine and palaeosols on the dunes are regarded as inter - desert process

    文中根據粒度分析及古今砂丘的mz ?散點圖比較結果,認為古代風成砂丘特別是古流動砂丘是砂丘活化的體現,視為「期」 ,而砂丘上覆的河湖沉積與古土壤發育則可視為「間期」 。
  5. This work carries out a temporal - spatial analysis and comparison in facial pattern, grain - size, and susceptibility of the sediments of the hunshandake sandy land ( hsl ) on the basis of studies of more than fifty geological sections, a number of samples collected from surface sands as well as results derived from previous studies. the preliminary results of this work provide new environmental information of the working area, which makes it possible to have a brief discussion about the evolution of the hsl since the late glacial epoch. this work can be summarized as the followings

    晚冰期,渾善達克地全面擴張,達到了化最大規模,剖面中的古風成砂是最直接的證據,此時氣候乾冷;全新世早中期,渾善達克地成壤比較好,是一個大面積成壤期,當于全新世適宜期,此時氣候暖濕;全新世晚期,渾善達克化正過程加強,在地各剖面上普遍發育風沉積,氣溫較乾冷;目前:渾善達克地為另一成壤期,成壤作用對于適宜期較差,氣候乾暖。
  6. The water vapor content, in all, is relatively less over the gobi and hungriness and more over the oasis ; there is " the clothesline effect " which influences the stabilization and development of the oasis at the margin of the oasis or the long and narrow protection forest through the deserts or in the neighborhood of the river and the aqueduct

    戈壁上空水汽含量對較少,綠洲上空水汽含量對較大;綠洲邊緣或通過的窄長護林帶、河流以及水渠附近,存在著影響綠洲穩定和發展的「曬衣繩效應」 。
  7. Tracking cameras at xichang had an excellent view of the intercept from the front, while cameras at china ' s other major launch site at jiuquan in the gobi desert had an equally good viewing angle from behind

    西昌的測控機從正面拍攝攔截的視角極佳,而中國另一位於戈壁中的主要發射場-酒泉發射場從背後觀察的視角也同樣好。
  8. Abstract : the preventing and remedying desertification puts into practice prevention as main, principle of combining ecology protection with prevensing and remedying, principle of preventing and remedy and economy development and utilization coodinated and promoting, comprehensive preventing and remedying and chassified control combines, public particlpation and renovating person benifits combine for different responsibility body bearing different responsibility bearing principle, becanse of man - made fault causing desartification preventing and remedying responsibility carrying out action - person bearing principle, principle of gorernment mainly bearing desertification recovery caused by nature action and benifit ' s person undertaking reasonable burban and decide unified planing system, systen of desertification status investigation and monitoring early warning system, fallow, limited cultivating hand and help - the poor combined systen, prohibitory systan, priority region and urgent - action region system

    文摘:化防治實行預防為主,生態保護與防治結合原則,防治與經濟開發利用協調促進原則;綜合防治與分類控制結合;公眾參與和整治者受益結合;對不同責任主體實行不同責任承擔原則,由人為不當活動造成的化治理責任,實行行為者負擔原則;對自然作用造成的化治理實行政府負擔為主,受益者合理負擔原則;確立統一規劃制度;化狀況調查評估與監測預警制度,休耕限耕和扶貧結合制度,禁限制度,優先區域與緊急行動區域制度。
  9. The preventing and remedying desertification puts into practice prevention as main, principle of combining ecology protection with prevensing and remedying, principle of preventing and remedy and economy development and utilization coodinated and promoting, comprehensive preventing and remedying and chassified control combines, public particlpation and renovating person benifits combine for different responsibility body bearing different responsibility bearing principle, becanse of man - made fault causing desartification preventing and remedying responsibility carrying out action - person bearing principle, principle of gorernment mainly bearing desertification recovery caused by nature action and benifit ' s person undertaking reasonable burban and decide unified planing system, systen of desertification status investigation and monitoring early warning system, fallow, limited cultivating hand and help - the poor combined systen, prohibitory systan, priority region and urgent - action region system

    化防治實行預防為主,生態保護與防治結合原則,防治與經濟開發利用協調促進原則;綜合防治與分類控制結合;公眾參與和整治者受益結合;對不同責任主體實行不同責任承擔原則,由人為不當活動造成的化治理責任,實行行為者負擔原則;對自然作用造成的化治理實行政府負擔為主,受益者合理負擔原則;確立統一規劃制度;化狀況調查評估與監測預警制度,休耕限耕和扶貧結合制度,禁限制度,優先區域與緊急行動區域制度。
  10. A recommend value of appropriate roadbed height is put forward according to the sand dune type and the highway grade, make investigation to the sand harm and other problems of built highways in desert areas gathering the related materials of present day highways, and then make comprehensive and systematic statistics to related data and racious factors which affect the roadbed height ; analy the suitable roadbed height for the windblown sand drift passes through smoothly according to the open country windblown sand field test ; test and verify the outcome according to indoor wind tunnel test ; finally a appropriate recommend roadbed height value will be put forward for different grade highways in different areas, which is according to the analysis of roadbed stability the roadbed height economic analysis and different use requirement to different grade highways

    收集現有公路的有關資料,對全國已建公路進行害及其他病害調查,對關數據和影響公路路基高度的各種因素進行綜合系統地統計分析;通過野外風流場測定,分析適宜風流順利通過的路基高度;通過室內風洞試驗進行驗證;結合路基穩定性分析、路基高度的經濟性分析,考慮不同等級公路的使用要求,最終提出不同地區不同等級公路路基填土高度的合理高度建議值。
  11. The research test of this discussion as follows : making investigation and research to overseas related materials ; make investigation to built highways in desert areas, dozens of routes and nearly 100 road sections have been surveyed, among them two highways have been taken as the chief investigation objects, they are " 210 national highways - first grade highways from bao tou to dong sheng " and " the section of nei meng a la shan meng s307 from shang de to meng gen " ; the relationship between windblown sand drift and the roadred height wind tunnel test ; make investigation to the tested road sections and subengineerings then make statistics and study according to the test outcome ; the stability analysis of different roadbed height ; the analysis of roadbed economy

    本課題的研究工作包括:對國外關資料的調研分析;對已建地區公路進行調查、觀測了十余條線路,近百段路段,以『 210國道包頭至東勝一級公路』 、 『內蒙阿拉善盟s307尚德至孟根段』為主要調查對象;風流路基高度的關系、風洞試驗;對調查路段及依託工程調查、觀測結果統計研究;不同高度下路基穩定性分析;路基經濟性分析;按照丘類型及公路等級提出路基合理高度推薦值。
  12. Situated at the southeast of the mu us desert, ordos plateau, the milanggouwan stratigraphical section in the salawusu river valley keeps a record of 38 sedimentary cycles of alternate evolution of the aeolian dune layers with the fluvio - lacustrine facies and palaeosols since 150 ka bp

    位於鄂爾多斯高原毛烏素東南邊緣的薩拉烏蘇河流域的米浪溝灣剖面,記錄了150kabp以來的38個風成的砂丘砂與河湖和古土壤交替演化的沉積旋迴。
  13. In 1945, when the first atomic bomb fused the sand of alamogordo, new mexico, the shot was not heard around the world ; rumors of a massive explosion in the desert were easily contained

    在1945年,當第一枚原子彈在新墨西哥的阿拉莫戈多上引爆,爆炸並未在世界上流傳,人們很容易地信了,在中發生大爆炸的謊言。
  14. It is also the key factor to improve the highway grade in these areas. the sand harm usually happens and the roadbed is obviously influenced by the sand foundation stability condition and the groundwater if the roadbed earthfill height is low. on the contrary, the wind erosion usually happens if the height is high

    公路路基的合理高度是保證公路不產生害的主要因素之一,同時是提高地區公路等級的關鍵,公路路基填土高度低,則易出現埋病害,路基受地基穩定狀況及地下水的影響顯著,反之,則易出現風蝕病害,並存在高填方路基和穩定性問題,工程造價應增加。
  15. Healthwise, the northern hemisphere and the southern hemisphere outside of sub - saharan africa are more alike than different

    以健康問題而言,北半球與南半球(非洲撒哈拉以南除外)的似點多於異點。
  16. Just as the words " the poverty produces the leanness of land, and the land of leanness produces the crowd of poverty "

    最後,筆者運用「貧苦的人們製造貧瘠的土地,貧瘠的土地產生貧窮的人群」這句話概括了貧困化和化的互關系。
  17. The change of net radiation, earth temperature and relative humidity in the vegetable layer of cotton field was investigated on the basis of the data collected from microclimate in vegetable layer of cotton field with drip irrigation of the mulching film under increasing temperature effect in desert

    摘要根據增溫效應下膜下滴灌棉田植被層內小氣候觀測資料,分析研究了棉田植被層內的凈輻射、地溫和對濕度的變化。
  18. The structures and dynamic changes of the artifical sand - fixing vegetation were studied based on the follow views : components of vegetation community, plant diversity, life - forms of vegetation, trends of plant growth, characteristics of the vertical and horizontal structure of vegetation, relationship between the vegetation community and environment ( including soil moisture temperature etc. ), relationship between the vegetation community and characteristics of plant physiological activities. some results were showed as follow : 1. components, diversity and life style of artificial vegetation in shapotou region the marked changes of artificial vegetation have taken place during more than 40 years, since the establishment of sand - fixing vegetation

    本文以騰格里東南緣寧夏中衛縣坡頭地區人工固植被作為研究對象,採用傳統生態學的野外調查方法,從植被群落的組成、多樣性、生活型、群落生長動態、垂直結構特徵、水平結構特徵、群落結構與周圍環境(土壤含水量、溫度)互關系及其與植物自身生理生態適應特徵關系等多個角度研究了人工植被群落的結構及其動態變化,取得了如下研究結果: 1 、植被群落組成、多樣性及生活型:坡頭地區人工植被經過近50年的演變,從流動丘到固定地,地植被的動態變化經歷了從人工植被到人工?自然植被的轉變,從人工植被建立初期的少數幾種引種植物到現有30多種植物,隨著固定地時間的延長,植物種類日趨豐富,並且人工植被在15 25年、 40 50年兩個階段,物種的周轉速率最大,即群落結構變化最大。
  19. Accordingly, the dune deposits of the section since 150 ka bp can be divided into 38 alternate evolvement processes of desert and inter - desert periods, which accord with the sedimentary cycles of the section. it is further suggested from now climate in the area that the 38 inter - succession processes of dune deposits and fluvio - lacustrine or palaeosols in past 150 ka actually result from the alternate evolvement of the ancient east asia winter and summer monsoons in the mu us desert during the long geologic times

    從這一認識出發,將米浪溝灣剖面150ka以來的砂丘堆積劃分為38個旋迴的期與間期交替演化過程,並認為,該剖面自那時以來發生的38個砂丘沉積與河湖或古土壤的演替過程,實際上是這一長期地質時代毛烏素受東亞冬夏古代季風影響交替演化所致。
  20. A second problem is the metaphor alert - a strained metaphor is about to be attempted all weak - stomached readers are advised to hold on or jump to the next paragraph necessary entropy of a closed language design which is constrained to reuse constructs that are both too similar and significantly different and result in a dissipation of the programmer s energy in the heat of a desert mirage

    另一個問題是(比喻警報下面將嘗試一個牽強的比喻,建議所有忍耐性不好的讀者就此打住或跳到下一段落)封閉式語言設計中所必然產生的平均信息量運動。這種封閉式設計跳不出重用既似又明顯不同的結構的桎梏,導致程序員的精力白白耗費在熾熱的蜃景上。
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