plant environment 中文意思是什麼

plant environment 解釋
浮游生物體積測量器
  • plant : n 1 植物,草木 (opp animal); 草本;〈商用語〉樹秧,苗木。2 莊稼,作物,收獲;(植物的)生育。3 ...
  • environment : n. 1. 周圍,圍繞。2. 圍繞物;環境,四周,外界。3. 環境藝術作品;環境戲劇(cf. environmental art)。
  1. They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem

    本研究以重慶市的南川金佛山(自然保護區) 、黔江武陵山(國家重點退耕還林示範縣,森林覆蓋率50以上)和北碚中梁山(遭人為破壞嚴重)典型巖溶區為對象,選擇了幾種重要的利用方式,包括林地、果園、耕地、棄耕地和灌草坡,採用野外巖溶生態調查和室內試驗測量分析相結合的方法,以不同土地利用方式巖溶土壤肥力為重點,對不同土地利用方式土壤肥力特徵進行量化分析,找出巖溶土壤肥力差異的主要方面及其根本原因,論文主要從土壤剖面物理退化指標(有效土層厚度、有機質層厚度、質地、團聚體、水分含量等) ,化學肥力退化指標(有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等) ,樣地土壤微生物指標(細菌、真菌、放線菌數量及總量)以及樣地土壤種子庫植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究,為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。
  2. Peasant households are affected by natural environment condition, the policy and market factor mainly while confirming that plants the cotton, the level of cotton price of the market has influence on the adjustment that peasant households plant the cotton area the coming year, during the process of using the variety of cotton, lay particular emphasis on and consider and popularize cost and benefit, community, neighbourhood relation and agricultural extension service system while being agrotechnical

    農戶在確定是否種植棉花時主要受自然環境條件、政策和市場因素的影響,市場棉花價格的高低對農戶來年植棉面積的調整有影響,而在使用棉花品種的過程中,則側重考慮農技推廣成本與效益、社區及鄰里關系和農業推廣服務體系。
  3. For some wetland plants such as reed and cattail, a small quantity of petroleum pollutants did not form deadly menace, their growing tallness was positive correlated with water deepness. therefore, wetland buffer can be constructed to reduce the impact of petroleum pollution and plant adaptive wetland vegetation so as to improve the environment of oil field

    結果顯示:濕地環境對土壤中的石油污染有明顯的降解作用,蘆葦等挺水植物的生長量與積水深度呈正相關,土壤中少量含油並不構成對濕地植物生長的威脅。
  4. The origin and evolution of land plants was an important event in the history of earth life and has affected all other lives on the earth and global environment. during the past two decade, the new discoveries of fossil plants microfossils and megafossils from the mid - ordovician through all silurian to the lower devonian improved knowledge of the origin of land plants, provided a time framework of the basal groups for the land plants and the early evolution diversity of vascular plants. three new plant based epochs have been recognized. on the other hand, molecular sequence studies have provided insights into the phylogeny and early branches of land plants. a phylogenetic tree has been established by the joint of a study of comparative morphology and gene sequences. this paper summarizes recent advances and new knowledges, comments on the phylogenetic studies based on the cladistic analysis

    陸生植物的起源和演化是地球生命中的重大事件,它影響到地球上所有的其他生命和全球環境。在過去的20年中,從中奧陶世歷經整個志留紀至早泥盆世的巖層中,化石植物微化石和大化石的新發現改變了人們對陸生植物起源的認識,並且為陸生植物和維管植物早期演化分異提供了基部類群分化的時間框架。據此人們識別出地史中的3個陸生植物的時代:始胚植物時代始維管植物時代和真維管植物時代。
  5. 3 relationship between main constituents and growth environment of h. crispate : the content of quick - acting potassium of the soil at the growing site was the positive correlating factor that correlates with the hup. a in the plant

    0統計軟體進行數據處理,結果顯示: 1 )皺邊石杉中石杉堿甲含量與年平均溫度呈負相關、與土壤中速效k的含量呈正相關。
  6. Then, main projects and synthetic techniques of ecological agriculture construction are discussed. the results indicate that main projects include fertile soil project, water conservancy, forestation and virescence project, agricultural structure adjustment project, agriculture industrialization project, integrated use of agriculture rejectamenta project, high quality and innoxious farm produce project, livestock breeding project, sight - seeing agriculture project, etc. the suited techniques include ecology location scheme technique, agriculture rejectamenta use technique, energy source regeneration technique, sewage biologic depuration technique, innoxious farm produce technique, soil fertility increase technique, ecological control technique of plant disease and insect pests, economizing water technique of dry farming, agriculture environment reconstruction technique, etc. lastly the study brings forward the countermeasure and advice of ecological agriculture development

    根據我國生態農業建設成功經驗和濟南市目前生態農業建設基礎,提出濟南市生態農業建設重點工程為沃土工程、農田水利工程、造林綠化工程、農業結構調整工程、農業產業化工程、農業廢棄物綜合利用工程、優質和無公害農產品工程、養殖工程、觀光農業工程等;生態農業建設的關鍵技術為生態位配置技術、農業廢棄物資源化綠色技術、能源再生技術、污水生物凈化利用技術、無公害農產品技術、地力持續培肥利用技術、農作物病蟲草害生態控制技術、旱作農業高效節水技術及農業生態環境綜合整治技術等。
  7. Plant endemism is the key problem in floristic study. analysis of endemism in a flora has significant implications in demonstrating floristic richness and diversity, the relationship between plants and their environment, and also in conserving biodiversity of the flora. in view of the situation that most of the past studies on endemism were qualitative, this study is the first tentative approach to the introduction of quantitative indices to the analysis of floristic endemism, with an purpose to push the study of endemism from qualitative to quantitative. four quantitative indices are introduced, i. e. level of endemism ( l ), coefficient of endemism ( c ), degree of endemism ( d ) and general index of endemism ( a ). mathematical formulae have been given to each of the above indices and explanations for them have been presented, and the scope of their use in floristic studies has been delimited and exemplified in this paper. the result shows that they are of good applicability. the proposed indices embody full information of plant systematics and plant geography. with the aid of qualitative analysis, the application of the proposed indices will improve the comparability and precision of endemism study in floristics

    過去有關特有現象的研究主要限於定性的分析,可比性和精確性較差.該文嘗試引入特有現象的定量化指標,以推動特有現象的分析研究從定性水平向定量水平邁進.所引入的4種定量化指標分別是:特有水平、特有系數、特有度以及特有綜合指數.對每種量化指標都給出了數學表達式,說明了其區系學意義,例證和界定了這些指標在植物區系分析中的應用,結果表明,它們有良好的適用性.這些指標充分地包含了植物系統學和植物區系學的信息.結合定性分析,這些指標的應用將增強植物區系研究的可比性,使植物區系特有現象的分析達到更精確的水平
  8. This paper introduced the status and development of basic research on phytochemistry and natural product chemistry in the fields of searching bioactive components, biosynthesis and molecular regulation of plant secondary metabolism substance, environment influence on the synthesis and accumulation of plant secondary metabolism substance, the relationship of endophyte and plant secondary metabolism substance

    摘要本文從生物活性成分的篩選與分離、植物次生代謝產物生物合成及其分子調控、環境因子對植物次生代謝產物合成和積累的影響、植物體內生菌與植物次生代謝產物的關系等方面介紹了我國資源植物化學與天然產物化學領域基礎研究的現狀與發展。
  9. In order to solve this problem, we find a kind of herbages plant - sabaigrass ( eulaliopsis binata ) which not only can accommodate the badly environment of purple soil but also have excellent water and soil conservation effect and good economic benefit. this study adopt quantitative and qualitative methods, through comparative study of four different utilization types : sabaigrass treatment, grass tree solid plating treatment ( planting sabaigrass under fruit trees treatment ), bare land treatment, natural wild grassland treatment, study water and soil conservation effect, soil water condition, soil constructors condition, soil fertility condition and soil surface temperature, then evaluated the water and soil conservation effect of plating sabaigrass in purple soil bare sloping field and probed into water and soil conservation mechanism. the main results are as follows : 1

    本研究針對湖南省衡邵盆地紫色巖地區日益惡劣的生態環境,從紫色土荒坡地水土流失治理入手,在尋求出既適應紫色土荒坡地惡劣環境又有良好水土保持作用和一定經濟效應的作物? ?龍須草的基礎上,用定性和定量相結合的方法,以「龍須草純種」 、 「龍須草與果樹立體種植」 (簡稱林草立體種植,下同) 、 「空曠地」 、 「自然野生雜草地」四種不同的土地利用方式進行對比研究,從水土保持效應、土壤水文狀況、土壤結構、土壤肥力狀況、地表溫度狀況等方面分析、評價紫色土荒坡地種植龍須草防治水土流失的效應,並對其機理進行了初步探討,主要研究結果如下: 1
  10. Hydroponics is an important plant method under greenhouse environment. the on - line detection of nutrient - liquid is a precondition of the intelligent adjustment and control for nutrient - liquid

    無土栽培是設施農業中的重要栽培方法,營養液組分的實時檢測是實現無土栽培中營養液智能調控的基礎。
  11. Additional, the incidence of a disease of avian flu and mortality difference are very big, depend on birds kind kind fasten and poisonous individual plant and age, environment and intercurrent infection, normally the circumstance is high incidence of a disease and low mortality

    另外,禽流感的發病率和死亡率差異很大,取決于禽類種別和毒株以及年齡、環境和並發感染等,通常情況為高發病率和低死亡率。
  12. This approach seeks to use various sources of plant nutrients, mineral fertilizers, organic manures, crop residues and biological nitrogen fixation for each farm ' s cropping system and offers the farmers the best opportunity for sustainability while protecting the environment and conserving the resources

    這一方法,為每個農場的種植制度尋求利用各種植物養分資源,諸如礦質肥料、有機肥料、作物殘體和生物固氮,並且在保護環境和資源的同時,給農民提供更好的持續發展生產的機會。
  13. Application of plc in photoautotrophic plant tissue culture environment control system

    規模化組培育苗設施環境與控制的研究進展
  14. High salty, drought, freezing are the major environment conditions that affect the growth of plant and account for significant reductions in the yields of agriculturally crops. the key step to solve this problem is to culture the stress tolerance crops

    逆境脅迫,乾旱、高鹽、低溫等是影響植物生長發育的主要因素,嚴重影響農作物的產量,解決這一難題的關鍵技術是培育出優良的普適性抗鹽作物。
  15. The result was partially used as evaluation criteria for the plant environment impact assesment by the environmental protection administration, executive yuan

    研究的部分成果也作為行政院環保署植物環境影響評估的準則。
  16. It use the existing industrial device and plant environment to carry through device reformation and system ' s foundation

    它是在利用現有的工業設備和工廠環境的情況下,進行設備改造和系統的建立。
  17. Abstract : this paper describes a new kind of mode field diameter measuring system of single - mode fiber. it adopts reference measuring method introduced by national standard, the far field, scan method. it has high accuracy of measurement, high speed and strong anti - jamming ability and it is easy to be operated. it can not only be used in laboratory but also in plant environment. and it can substitute the same kind of import products

    文摘:介紹了一種新型的單模光纖模場直徑測試系統,它採用國際推薦的基準測試方法? ?遠場掃描法,具有測量精度高、速度快、抗干擾能力強和操作簡單的特點,既可用於實驗室中,也適合在工廠環境下使用,能夠替代同類進口產品。
  18. This material is tested in the actual plant environment and our customers will not use the tan color on their cases

    這種材料已在實際的車間環境中測試過,我們的客人不會使用棕褐色的材料在他們的箱子上。
  19. Workmanship and construction to a standard that ensures durability and stability for continued use in a plant environment for the life of the part

    工藝和結構要做到可以保證在一個工廠環境內持續使用,零件的耐久性和壽命要有一個穩定的標準
  20. For the long - term restrictions of the development of brand teas by management of tea plant environment, professional brand planning, systematic and scientific process research and development, advanced production equipment and quality control and management etc, there are just few sound tea brands in china, and true branded tea of superior quality and top grade is rare to see

    而在中國,長期以來品牌茶的發展由於受茶葉種植的環境管理、專業化的品牌規劃、系統科學的工藝研發、先進的生產設備、品質的控制與管理等環節的制約,導致中國品牌茶在國內外市場上能夠叫的響的品牌卻寥寥無幾,在市場上真正高品質的、高品位的品牌茶也是微乎其微。
分享友人