密植度 的英文怎麼說

中文拼音 [zhí]
密植度 英文
tangled vegetation
  • : Ⅰ名詞1 (秘密) secret 2 [紡織] (密度) density 3 (姓氏) a surname Ⅱ形容詞1 (距離近; 空隙小)...
  • : Ⅰ動詞1. (栽種) plant; grow; cultivate 2. (樹立) establish; set up Ⅱ名詞(姓氏) a surname
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  1. So these karst series problems are lowness ability of making soils, distributing odds of surface water and groundwater, leakiness of fountain, alkalescence of circumstance, lowness of bio - diversity, rapidness converse succession of vegetation and fragility of soil character and entironment. and karst region produces many problems, e. g. rock desert, soil erosion and degeneration because of artificial influence and destruction

    巖溶空間介質具有地上地下雙層結構,可溶巖造壤能力低,巖溶水空間分佈不均、地表地下水關系切、水源易漏失,偏堿性環境、生物資源集聚程低,被逆向演替快、順向演替難,巖溶地質與生態環境十分脆弱,受到人為因素的影響和破壞,極易產生石漠化、土壤侵蝕與退化等一系列問題。
  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

    摘要對騰格里沙漠東南緣2種人工被檸條和油篙在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、高、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較快, 7月份以後生長速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年生物人侵,並具有較高的被蓋;同其它3個樣地相比,純油篙樣地1年生物的、蓋和生物量明顯偏低。
  3. For edible chrysanthemum, flower yield was compared between the two varieties, japanese summer chrysanthemum no. 1 and japanese summer chrysanthemum no. 2, and factors affecting yield and anthesis studied

    ( 2 )以食用菊花日本夏菊1號和日本夏菊2號為材料,對品種間的產花量差異及定和定期對產量和花期的影響進行了試驗研究。
  4. And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

    研究結果如下:首先針對荒漠化地區的地物特徵,對高光譜數據不同波段的數據質量、波段組合進行了評價,提出了適用於荒漠化監測的基本波段選擇集;初步了解和掌握了研究地區的地物光譜特性及變異規律,進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎;發現了基於光譜整體形狀的分類方法在很大程上能夠消除由於傳感器、地物目標觀測方向之間的角變化引起的反射率曲線整體平移的「同物異譜」現象,對于譜形相似而整體反射率的值相差較大的兩類地物,通過引入均值和方差圖像參與分類得到解決;研究還表明在被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段,這些波段與被生物量和蓋都有切的關系,是開展精細被分類研究和被定量反演的重要基礎;像元的導數光譜分析可以消除土壤背景的影響,是進行被生物量和蓋定量反演的有力工具;建立了荒漠化監測主要評價因子的定量反演模型,並分析了模型的適用性。
  5. Herbs bourgeoned with a high density and a low coverage in early july. with the coming of rain season, the velocity of growth in herbs enhanced with the higher coverage in august. in september, the growth of herbs stopped and the density and coverage of herbs descended

    草本物在7月初萌發,平均大,但株較小,蓋也小;隨著降雨量的增加,在8月份一一草本物的快速生長期,草本株個體長大,平均蓋達最大值,但是卻有所下降;到了9月中下旬基本成熟並逐漸死亡,蓋均下降。
  6. Can the brachytic dwarf gene or the bushy genes be used to advantage in cultivars designed for high density plantings ?

    短枝矮化基因或灌叢狀基因能有利於品種高的設計嗎?
  7. Can the brachytic dwarf gene or the bushy genes be used to advantage in cultivars designed for high density plantings.

    短枝矮化基因或灌叢狀基因能有利於品種高的設計嗎?
  8. The factors that in fluences the nest - site selection of great bustard mainly are the hight and density of vegetation

    大鴇巢址選擇的影響因於主要為物高
  9. The ability to move air through plant canopies is related directly to the tightness of the green house.

    空氣通過物冠層移動的能力直接與溫室的閉程有關。
  10. Luyu 2, luyu 4, yedan 12 and yedan 13 all have a compacted plant shape with leaf upward and are all cold - resisting and suitable for close planting

    魯玉2號、魯玉4號、掖單12和掖單13都具有緊湊株型,葉片直立、抗寒、適合高
  11. That is the premise of the bg / ha electrophoresis codeposition. the laws of the electrophoresis deposition of the bg and ha partic les were found by the study on each of their deposition under the different conditions. the electrophoresis codeposition of the bg and ha particles had been studied and the bg / ha graded coating, which is compact in the bottom layer and porous near the surface layer, had been prepared on the surface of the dental implant after the low temperature heat treatment ( about 740 ) and fast firing ( 50 - 80 / min, heat preservation time was 5 - 8min. )

    以bg微粉和ha微粉作為塗層原料,通過研究bg和ha微粉在非水介質中的分散情況和帶電特性,選擇冰醋酸為介質,使分散在其中的bg顆粒和ha顆粒表面均帶上正電荷,為電泳共沉積提供前提條件;通過對不同條件下bg 、 ha各自電泳沉積的研究,探索出了兩者電泳沉積的規律;通過對bg和ha在冰醋酸中電泳共沉積以及后續低溫( 740左右)快燒( 50 ? 80 min ,保溫5 ? 8min )熱處理的研究,在鈦合金牙根種體基體上成功制備出了底層緻而表層多孔的bg ha梯塗層。
  12. In other four species, gentiana przewalskii, aconium tanguticum, pedicularis kansuensis and delphinium monanthum, the whole starch grains were light in

    在其餘4種高山物中,澱粉粒的電子均較低。
  13. The dongming poplar floss slurry ltd., which major product is flakeboard, and chengwu senli manmade board ltd., which major product is moderate density fiberboard had became one of the ten major forest corporations. and we have brought up another 15 major forest corporations. now ten machining colony, such as tung spelling board of chao country zhuangzhai, strip willow basketry of pulianji, veneer of yuncheng huang ’ an, hub processing of juancheng shiji, furniture of zhangzhimen, decorating wood line of shanxian, hub processing of chengwu, veneer of xinxing and lizhuangji in peony borough, had formed in heze

    至2003年底,全市獨立核算的森工企業發展到2984多家,其中東明楊木絨毛漿有限公司、定陶縣林盾木業有限公司(主要產品為刨花板) 、成武森利人造板公司(主要產品為中纖維板)步入了全省十大林業龍頭企業的行列,培了十五大龍頭企業;全市形成了曹縣莊寨桐木拼板、普連集條柳編製品、鄆城黃安膠合板、鄄城什集木片加工、張志門傢具、單縣浮崗裝飾木線條,成武孫寺木片加工、牡丹區新興和李莊集膠合板等十大加工群體,林業產業化發展勢頭良好。
  14. The results show that : the main driving forces of arable land change of shouguang county are the per capita income, the ratio of the pasture output value, the ratio of the cropping output values and the ratio of agricultural labor force proportion ; the main driving forces of arable land change of quzhou county are the variation of grain yield per unit area, the ratio of the pasture output value, the ratio of the cropping output values, the ratio of grain field areas and the population density

    結果表明:壽光市耕地變化的主導驅動力包括人均收入、牧業總產值比例、種業總產值比例和農林牧漁業勞動力;曲周縣耕地變化的主導驅動力包括糧食單產、牧業總產值比例、種業總產值比例、糧田面積佔耕地面積比例和人口。在此基礎上,揭示縣域尺上耕地變化的驅動機制,並為進一步進行土地利用覆蓋變化研究積累方法和經驗。
  15. Indicatory function of soil moisture of undergrowth vegetations in the robinia pseudoacacia forests with different densities in semi - arid region on the loess plateaus

    林下被對半乾旱區不同刺槐林地土壤水分環境的指示作用
  16. The results showed that the density and coverage of shrubs growing in the intervale of sand fixing region were biggest, but those of herbs were smallest. in contrast, the density and coverage of shrubs growing in the lee slope of dune were smallest, but those of herbs were biggest

    不同地形條件下,丘間低地灌木、蓋最大,草本物的和蓋卻最小;背風坡灌木、蓋最小,而草本物的、蓋卻最大。
  17. The results indicated : ( 1 ) during the jointing stage of winter wheat, the differences of catalase activity among different measures of soil water utilization are significant in shallow soil, in which the catalase activity of furrow planting with straw mulch is the highest and that of row - spacing - reduced and close planting is the lowest ; ( 2 ) the trends of catalase activity versus depth are almost the same for different treatments, looking like an inverse s ; ( 3 ) for furrow growing without mulch, the activity of soil catalase in the furrow is higher than that in the ridge ; ( 4 ) soil catalase activity reflects some effects from different techniques of soil water utilization and may be used as a indicator for micro - eco - environment in the fields

    初步分析得出: ( 1 )冬小麥拔節期,採用不同土壤水利用技術的冬小麥田淺層土壤過氧化氫酶活性差異明顯,以溝播不蓋秸稈處理的過氧化氫酶活性最強,縮行處理的最弱; ( 2 )土壤過氧化氫酶活性隨深的變化趨勢大體一致,呈反s形; ( 3 )溝播不蓋秸稈處理溝中土壤過氧化氫酶活性明顯高於壟上; ( 4 )土壤過氧化氫酶對於田間微生態環境具有指示作用,在一定程上反映了土壤水利用技術對微生態環境的影響。
  18. From trial of different density and collocate, it can be known that planting with narrow line and proper density can improve light penetration of soy bean colony and space distribution and has a better canopy structure, enhance colony solar utilize rate, thereby, increases soy bean colony productive ability and gains a higher yield

    摘要通過不同和寬、窄行距配置試驗可知,大豆在保持合理群體下,實行窄行,可改善大豆株群體的透光性和葉面積的空間分佈,具有較好的冠層結構,提高了群體光能利用率,從而提高大豆的群體生產能力,獲得較高的產量。
  19. This could be related to the increase in the length of the pathogen growth cycle induced by modifications in light and temperature inside high density plantations

    這與作物內部光線和溫的改變延長了病原菌的生長周期有關。
  20. The results showed the silage corn keduo 8 laid particular stress on vegetable growth, it had larger lai and higher biomass, there were bigger changed range between lai and biomass ; the dual purpose corn shandan 310 laid particular stress on reproductive growth, it had smaller lai and lower biomass, there were a littler effect of density on lai and biomass

    結果表明,青貯型玉米科多8號偏重於營養生長,其葉面積指數、干物質積累量大,二者隨的變化其變幅較大;糧飼兼用型玉米陜單310偏重於生殖生長,其葉面積指數、干物質積累量較小,對其影響較小,耐
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