旱生特性 的英文怎麼說

中文拼音 [hànshēngtèxìng]
旱生特性 英文
xerophytic feature
  • 旱 : Ⅰ名1. （沒有降水或降水太少） dry spell; drought 2. （非水田的; 陸地上的） dryland 3. （陸地交通） on land Ⅱ形容詞（乾旱） dry; arid
  • 生 : Ⅰ動詞1 （生育; 生殖） give birth to; bear 2 （出生） be born 3 （生長） grow 4 （生存; 活） live;...
  • 特 : Ⅰ形容詞（特殊; 超出一般） particular; special; exceptional; unusual Ⅱ副詞1 （特別） especially; v...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 特性 : characteristic（s）; character; performance; features; properties; behaviour; response; character...
  1. The ways of study are followed : insp - ecting and observing their living condition on the open fields ; cultivating sp - rout, examining physiological and biochemical changes in plants ; paraffin sec - tioning. the study results show : due to the species diversity, though the sproutsof xerophyte have several strategies to adapt to environmental drought in the long term evolution process, they have obtained same adapting mechanism to the short of water

    研究結果表明：由於物種多樣性，在長期的適應演化過程中，旱生殖物幼苗對惡劣生境的適應方式多種多樣，但其對水分條件的適應機理卻是一致的。與生命周期短暫的短命植物不同，多年生旱生植物的當年生幼苗，當面臨水分脅迫時，其結構和生理功能具有迅速改組與完善的特徵。
  2. The modified zndx in comparison with others is well indicative of the severity and extent of flood / drought event and of more objective classification of them, which is therefore quite applicable to a extended area. ( 3 ) the main anomaly structures of grades of drought / food in summer over northwest china present pluvial pattern and dry pattern in all the areas, and spatial changes are opposite pattern from the noth to the south and the west to the east. the first four rotated loading vector fields represent four principal precipitation anomaly areas : the weishui river basin, east of the qinghai - xizang plateau

    但修訂過的zndx指數根據氣溫、土壤濕度及前期氣候濕潤度等因子能夠客觀的反映出西北地區的旱澇特徵。 （ 3 ）西北地區季與年區域旱澇等級表明：西北地區的乾旱雨澇有顯著的階段性和年際變化特徵。 1980 』 s到1990 』 s中期，氣候較濕潤，土壤濕度增墑較明顯； 1990 』 s中期以後是40年乾旱最異常的時段； 1960 』 s旱澇交替發生，旱澇趨勢接近常年； 1970 』 s氣候雖乾旱，但沒有1990 』 s中後期顯著。
  3. Lawn photosynthetic, transpiration and water consumption chatacter go through mostly four seedtime : ( 1 ) lawn physiology development - individual level phases ; ( 2 ) law ecology development - community level phases ; ( 3 ) lawn drought resistance mechanism - molecule level phases ; ( 4 ) theory application in practice - ecosystem level phases

    草坪光合、蒸騰作用及耗水生態特性研究主要經歷了四個發展階段： （ 1 ）草坪生理學發展? ?個體水平階段； （ 2 ）草坪生態學發展? ?群落水平階段； （ 3 ）草坪抗旱機理? ?分子水下階段； （ 4 ）理論應用於實踐? ?生態系統水平階段。
  4. The characteristics of biodiversity of yellow river delta are as follows : the vegetation structure is simplex and coverage is lower, which is characterized with obvious younger nature and abundant wetland ; the flora composition is simple, the plants usually could resist against salt and drought ; the xerophytes and meso - xerophytes are abundant, there are many mutual species with inner mongolia, which incarnated the biology corridor function of yellow river ; there are many animal species belong to national protected species, so the significance for biodiversity protection is great

    黃河三角洲地區生物多樣性主要表現出如下特點：植被結構簡單、覆蓋度低、生態系統年輕性特點和濕地生態系統特點明顯；植物種類少、常具有抗鹽、抗旱特性；旱生、中旱生植物以及與內蒙古共有植物種類多，充分體現了黃河的生物廊道作用；主要保護動物種類多，生物多樣性保護意義重大。
  5. The calculation results show that the method designed is quite satisfactory. the models can reproduce the annual precipitation sequence and monthly precipitation sequence. and then the regional aridity index can be estimated statistically, in addition, they can reproduce the characteristic of history precipitation series

    這兩類模型分別用於生成模擬年降雨量序列和月降雨量序列作為地區乾旱指標序列，從而對所研究地區乾旱特徵量的統計特性進行估計，並對已發生的地區乾旱的重現期進行識別。
  6. Abstract : comparative study on physiological traits of drought r esistance for go od quality bread wheat cultivar yanyou 361 was performed under dryland condition

    文摘:對優質冬小麥品種煙優361在旱地條件下的抗旱生理特性進行了比較研究。
  7. Preliminary report on transfer the character of drought tolerance from wild rice to cultivated rice

    將野生稻耐旱特性轉移到栽培稻初探
  8. The drought tolerance characteristics of the main afforestation trees in northwest hubei province

    鄂西北主要造林樹種耐旱生理特性分析
  9. Preliminary report on transfer the character of drought tolerance from wild rice oryza meridionalis and oryza australiensis to cultivate rice oryza sativa via distant hybridization and embryo rescue

    通過胚胎拯救將野生稻耐旱特性轉移到栽培稻進行遠緣雜交初探
  10. Growth and developmental characteristics of rice cultivated in aerobic soil mulched with straw

    拔節長穗期水分脅迫對旱作水稻若干生理特性和經濟產量的影響
  11. Using conventional hybridization or transgenic technology to improve photosynthetic capacity of rice in our country, it is important to choose correct c4 plants which have high photosynthetic capacity and water use efficiency such as echinochloa rusgalli and sorghum

    選擇光合性能優勢突出的c _ 4植物材料（如長芒稗、高粱等） ，用於轉基因或傳統育種來改良我國旱稻或水稻，有效改善旱稻或水稻的光合生理特性，提高光合速率。
  12. The content of fixed ammonium, capacity of fixing - ammonium, available fixed ammonium, kinetics of ammonium fixation and release of fixed ammonium of chief upland cultivated soils in hunan province were studied by using the method of field investigation and sampling, laboratory incubation and analyses. the seasonal change of fixed ammonium content in soil and _ its bioavailability in different growth stage of huanghuacai by use of field plot experiment

    本文通過野外調查取樣、室內培養試驗和分析測定，研究了湖南省主要旱耕地土壤的固定態銨含量、固銨容量、有效性固定態銨含量以及土壤對銨離子的礦物固定和土壤固定態銨釋放的動力學特性，通過田間小區試驗，研究了不同施肥結構下土壤固定態銨在黃花菜生長期間的動態變化規律及其生物有效性。
  13. Terrestrial plants are classified into three major photosynthetic types, namely, c3, c4 and crassulacean acid metabolism ( cam ) plants, according to the mechanism of their photosynthetic carbon assimilation. c4 plants have co2 concentrating mechanism and higher photosynthetic efficiency than c3 plants, especially under high light intensity, high temperature, high oxygen partial pressure and drought conditions

    本研究利用c _ 3植物、 c _ 4植物、旱稻與稗草等的雜交後代的材料，進行光合速率的測定，進一步分析植株在光能吸收傳遞、氣孔調節、羧化反應等生理特性，研究高光效的生理機制。
  14. In this research project, the agrobacterium tumefaciens mediated transformation of badh gene of tetraploid black locust has been studied, for the purpose of improving resistance to soline - alkali and drought of tetraploid black locust ; of playing more important role in developing of waste lands, ameliorating of soline - alkali soil, and greening and beautifying of surface - mined lands, mine waste dumps, slopes of roads and railroads where restoration of vegetative cover has proven difficult ; of fully making benefits of its ability to fix atmospheric nitrogen in the soil

    為了進一步提高四倍體刺槐的耐鹽性和抗旱性，進一步擴大其適宜種植的生態范圍，充分發揮其固氮、改良土壤的特性，在我國的城鎮綠化、荒山造林、鹽堿地改良以及采礦跡地、公路、鐵路邊坡等植物生長困難土地的植被恢復中發揮其優勢，本實驗對四倍體刺槐進行了農桿菌介導的甜菜堿醛脫氫酶基因轉化的研究。
  15. Not only is it an important forage grass, but also has an important ecological and genetic value because of its drought - resistant, cold - resistant and barren - tolerant traits

    冰草不僅是一種重要的牧草，而且由於它的抗旱、抗寒和耐荒漠的特性，又是一種具有重要生態和遺傳價值的植物材料。
  16. However most researches on rock plants both at home and abroad emphasized their individual characteristic, their acclimatization mechanism and great ecological potential were neglected. therefore, ecology and nutrition characteristics, as well as drought resistance mechanism of rock plants were poorly understood. as an important rock plant, pogonatherum paniceum ( lam. ) hack

    然而，國內外對巖生植物的研究和利用多從宏觀尺度上偏重於其獨特個體特徵，忽略了其內在環境適應機制和巨大生態潛能，缺乏對巖生植物生態特徵、營養特性及其耐旱機理的綜合研究。
  17. They have great potentialities to ecological restoration and high value to being used as forage. however researches on their physiological characteristics related to drought adaptabilities were not sufficient, yet. therefore, it is necessary to reveal more properties in order to increase efficiency in the ecological practice and to promote using in pasturage

    駝絨藜屬（ ceratoides ）植物為乾旱、半乾旱地區具有重要生態價值和飼用價值的旱生半灌木資源，對該屬植物適應乾旱生理特性的研究尚不充分，加深研究有助於提高對它們的利用效率和應用價值。
  18. Study achievements of water physiological ecology and drought - resistance of trees

    樹木水分生理生態特性及抗旱性研究進展
  19. A study of seed germination in ber zizyphus mauritiana

    12種旱生灌木及其發芽特性的研究
  20. Growth and development characteristics and yield formation of dry - cultivated rice

    旱種水稻生育特性與產量形成的研究
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