root development 中文意思是什麼

root development 解釋
根發育
  • root : n 魯特〈姓氏〉。n 1 (草木、毛發等的)根;根菜,食用菜根;根莖,地下莖;塊根;有根植物,草木,草...
  • development : n. 1. 發展,發達;進化。2. 展開;擴充;開發。3. 發達物,新事物,發展階段。4. 【生物學】發育(史);【軍,數】展開;【攝影】顯影,顯像;【音樂】展開(部);研製,研製成果。
  1. 3. shading levels effected on the growth of cultivated plantlet from adventitious buds in plastic house. lower shading level could increase the root development including root number, fresh weight and dry weight

    不同遮陰度對花葉玉簪品種不定芽組培苗煉苗的營養生長有較大的影響,低遮陰度能顯著增加植株的根數、根鮮重和根干重。
  2. We have observed the following characteristics of anatomical structure and development : ( 1 ) the primary roots belong to archetype and the lateral roots occur in the position toward the xylem of the vascular cylinder ; ( 2 ) the root endodermis consists of thicken casparian strips, and there are from two lo four layers parenchyma cells near the pericycle ; ( 3 ) the pith and resins canals are absent in the toots ; ( 4 ) secondary structure occurs in the root hair zone, and vascular cambium is formed from the parenchyma cells between the primary xylem and primary phloem ; ( 5 ) tanning materials are abundant in pericycle cells and phelloderm cells ; ( 6 ) sclereids are found in secondary phloem, and rays are rather rich in secondary xylem

    結果表明:氣生不定根具有以下結構特徵和發育特點: ( 1 )根為二原型,側根正對著木質部發生; ( 2 )幼根內皮層細胞具凱氏帶加厚,維管柱內緊挨中柱鞘內側具有2 ~ 4層大型薄壁細胞; ( 2 )根中無髓和樹脂道; ( 4 )次生結構發生於根毛區,維管形成層由初生木質部和初生韌皮部之間的薄壁細胞轉化形成; ( 5 )中柱鞘和栓內層細胞富含單寧類物質; ( 6 )次生韌皮部有石細胞,次生木質部射線發達。
  3. According to the space - tim e maturation during the development of the vessel elements in primary vascular system : the vessel elememts of the cotyledons and the lower portion of cnz formed firstly, then downward hypocotyl - root zone, at length, the vessel elememts of the upper and middle portion of cnz and epicotyl - shoot region connected with each other, the result uphold the seedling partition model that divides seedling into cnz, hypocotyl - root region and epicotyl - shoot region

    根據金魚草幼苗初生維管系統導管分子發育的時空性,即子葉和子葉節區下部導管分子先形成,然後向下形成下胚軸-根區的導管分子,最後子葉節區中、上部與上胚軸-苗區的導管分子再發生連接,據此支持將幼苗分為子葉節區、下胚軸-根區和上胚軸-苗區的幼苗分區模型。
  4. Thus, the fungal isolate appeared able to influence both the development and form of its host's root system.

    因此,真菌分離物似乎能影響其寄主根條的發育和形成。
  5. Hydrophytes show certain adaptations to such habitats, notably development of aerenchyma, reduction of cuticle, root system, and mechanical and vascular tissues, and divided leaves

    水生植物表現出適應水生的特性:具有發達的通氣組織;表皮、根系、機械組織、維管組織退化;葉片分裂;葉片、根和莖中均具有通氣道或氣腔。
  6. Expound the role of the legumes - root nodule bacteria nitrogen fixing system in large development of west area of china, and put forward a constructive suggestion

    摘要對豆科植物-根瘤菌共生固氮體系在西部大開發中的作用進行了論述,並提出建設性意見。
  7. After researching the loads on dangerous rock synthetically, the author points out the development and collapse mechanism of dangerous rock : the geology foundations that forms dangerous rock are the constructional surfaces such as tectonic fracture 、 relief fissure, soft interlayer etc. the developing of dangerous rock is due to release of in - situ stress in rock 、 aeolation 、 water erosion and root flerry. the main loads leading to collapse of dangerous rock are gravity, water pressure and earthquake force

    在綜合研究危巖上的各種作用之後,本文提出了危巖的形成和破壞機理:硬質巖體中構造裂隙、卸荷裂隙、及各種軟弱夾層,結構面的的存在是危巖形成的地質基礎;地應力卸荷、風化、流水侵蝕、植物根劈是危巖發育的主要作用;重力、水壓力、地震力是危巖崩塌的主要荷載。
  8. This article includes at least in the following fields : having a keen insight into the historical trace in non - balanced development of compulsory education through recalling the policy changes from yan ' an period to present compulsory education in china ; trying to find a way to the complex root in economical society, decision - making mechanism and the view of value in non - balanced development of compulsory education by analyzing the contradiction between educational supply and need embodied in non - balanced development of compulsory education on the different bedding surface ; describing the theoretical support and outside force of balanced development of compulsory education on the base of theoretical self - examination in non - balanced development of compulsory education ; putting forward a solution to the problem of present non - balanced development of compulsory education and a countermeasure and a suggestion to build itself into a balanced development by combining the our national condition

    論文力圖從回顧延安時期至今我國義務教育的政策演變,洞察義務教育非均衡發展的歷史痕跡;通過分析義務教育非均衡發展所體現的教育供給與需求的矛盾在不同層次的表現,旨在探尋義務教育非均衡發展的經濟社會、政策機制、價值觀念等復雜的根源;在此基礎上,論文對我國義務教育非均衡發展進行了理論反思,闡述了義務教育均衡發展的理論支撐和外在動力,並結合我國國情,提出解決目前義務教育非均衡發展問題,進一步推進其均衡發展的對策和建議。
  9. Fpga and dvb standard are introduced firstly, dvb - c standard and composition of its system are analyzed completely, development of modulator structure and dvb - c digital modulator composition are presented, more over, analysis of respective modular are given. then, principle of dvb - c digital modulator system are presented, they are error control technique 、 mqam 、 nyquist rule and root raised cosine filter 、 window design method for fir filter 、 multi - rate signal processing ( integer interpolating, conversion of fractional sampling, equal conversion of net structure, polyphase structure for filter, poly - phase structure for interpolator, multi - stage implementation of samplying conversion ) 、 distrubited algorithm 、 cic filter 、 dds 、 cordic algorithm

    接著,專門利用一個章節闡述了dvb - c前端調制系統原理,他們了差錯控制技術、多進制調制( mqam ) 、 nyquist準則與平方根升餘弦濾波器、有限沖擊響應濾波器的窗函數設計法、多抽樣率信號處理包括(整數倍內插原理、分數倍抽樣率轉換、網路結構的等效結構、濾波器的多相表示、內插器的多相表示、抽樣率轉換的多級實現) 、分散式演算法、 cic濾波器、直接數字頻率合成( dds ) 、 cordic演算法。
  10. Firstly, the airborne electromechanical system, the development of bus protocol, power line channel and power system are described in the dissertation ; secondly, the algorithm of qpsk and root raised cosin are discussed ; thirdly, the designation of the hardware and software of the modem board, based on qpsk, built up with dsp and cpld are given. the high - speed data transporting card of airborne electromechanical communication system, which is based on plc, are put forward in our country

    本文介紹了飛機電力線載波數據通信系統的結構,並對低壓電力線的通道特性進行了分析;對qpsk調制演算法及均方根升餘弦低通濾波演算法進行了詳細論證;設計出基於qpsk的調制解調模塊,並在此基礎上,研製出以dsp和cpld為最小系統的調制解調硬體電路板,開發了調制解調模塊電路板的應用軟體程序。
  11. Study on root system development ability of cotton with different cultivation way

    不同耕作方式棉花根系發育能力的研究
  12. Third, the current management system of china ' s trade associations have quite a disadvantage, leading to the dual classification management system is the primary reason the industry associations obtaining independence, but also the difficulties caused by the development of trade associations root causes

    三、我國行業協會目前管理體制存在較大弊端,雙重分級管理體制是導致行業協會難以獲得主體獨立性的首要原因,也是造成行業協會發展困難的直接原因。
  13. Correct measures are essential to carry out the peoples equality and development policy and pertinent religion policy in the multi - nation - state ; to form a correct concept of people and to publicize correct ethos by combining nationalism with patriotism ; to prevent and expose the western countries " factionalism on the peoples issues to the multi - nation - state ; to set down the active and effective measures aimed at the terrorist character of the peoples separatist forces. due to the pervading existence of the peoples separatist forces in the world, different countries need to reach the common conclusion to strike the peoples separatist forces ; to cut the capital resources of the peoples separatist forces and terrorist activities, to root out the basement of them, with the lead of un, strike the international support to them ; besides, different countries should strengthen nation security protection, form a new concept of national security, get international and organizing cooperation and get rid of every form of hegemony and power politics

    在民族國家內部應正確實施民族平等團結、各民族共同發展的民族政策及相關的宗教政策;樹立正確的民族觀,把民族主義與愛國主義相結合,進行正確的民族主義思想理論宣傳;防止和揭露西方國家對其他多民族國家實行的民族分裂政策;針對民族分離主義恐怖主義活動的特點,制定出積極、有效的防範措施。由於民族分離主義勢力在世界范圍內具有普遍性,因此,各國應求同存異,尋求打擊民族分離主義及恐怖主義活動的國際共識;切斷民族分離主義分子進行民族分離活動和恐怖活動的資金來源,鏟除國際民族分離主義活動的基地,並充分發揮聯合國主導作用,打擊國際不法組織和個別國家對恐怖活動的支持;此外,各國還應共同加強國家安全工作,樹立新的國家安全觀,進行有組織的國際安全合作,戒除一切形式的霸權主義、強權政治。
  14. Lateral root development and gravitropism are regulated by polar auxin transport ( pat ), and auxin efflux inhibitors ( aei ) inhibit lr growth and tropism. because of > the structural similarity to pat inhibitor npa, flavonoid has long been regarded as endogenous polar auxin transport inhibitor

    生長素極性運輸( polarauxintransport , pat )對側根發生和根尖向地性起著重要的調節作用,添加外源生長素極性運輸抑制劑不僅抑制了側根發生,同時還使根尖喪失了向地性。
  15. Effects of root microbes on root development and yield related characters in winter wheat

    根際微生物對冬小麥根系發育及產量性狀的影響
  16. The plantlets grew much better in terms of root development ; the root activities, photosynthesis, regulating stoma and transpiration of them were significantly enhanced

    主要表現在:植株健壯且根系發達,有大量的側根形成;植株的根系活力、光合作用、調節氣孔開閉和控制蒸騰速率等方面顯著提高。
  17. A study on cotton root development and distribution of different cotton varieties

    不同類型棉花品種根系空間生長規律的研究
  18. Effects of limited irrigation on the root development of spring wheat in a semi - arid region

    有限灌溉對半乾旱區春小麥根系發育的影響
  19. The study also revealed that, inhibitory effect was much pronounced in root and lateral root development rather than germination and shoot growth

    研究還顯示,提取物對植物根和側根的抑制作用比對種子萌發和莖的生長抑制作用更顯著。
  20. Abstract : this paper depicts the physiological basis for the application of rare earth elements in agriculture. the contents, distribution, the forms and cytolocalization of rare earth elements in plants are discussed. the effects of rare earth elements on seed germination, root development, seedling growth, nutrient uptake, change of hormones, and photosynthesis are also discussed. further more the rare earth elements affecting the plasma membrane and calcium physiological function are reviewed as well

    文摘:本文從稀土元素在植物中的含量分佈、存在形式、細胞定位以及它對植物種子萌發、根系發育、植物生長、養分吸收、內源激素變化、光合作用、質膜結構與功能和鈣離子生理功能的影響等方面闡述了稀土在農業中應用的生理學基礎。
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