葉子構成 的英文怎麼說
中文拼音 [yèzigòuchéng]
葉子構成
英文
leaf architecture- 子 : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
- 構 : Ⅰ動詞1 (構造; 組合) construct; form; compose 2 (結成) fabricate; make up 3 (建造; 架屋) bui...
- 成 : Ⅰ動詞1 (完成; 成功) accomplish; succeed 2 (成為; 變為) become; turn into 3 (成全) help comp...
- 葉子 : 1. [植物學] leaf; foliage2. [方言] (紙牌) playing cards葉子煙 sun-cured [flue-cured] tobacco leaf
- 構成 : constitute; form; consist of; compose; make up; constitution; composition; formation; enter
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The primary structures, the genesis and the structure formed of the primary vascular system and the structural change in the process of cotyledonary senescence of the seedlings of antirrhinum majus and other angiosperms were studied. the progress had been aquired in the aspects as follows
本論文對金魚草等幾種被子植物幼苗的初生結構、幼苗發育早期初生維管系統的發生和建成后初生維管系統的結構以及子葉衰老過程中的結構變化作了較為全面的研究,在以下幾個方面取得了一定的進展: 1The structure of the chlorophyll molecule is known. it consists ofporphyrin.
葉綠素的分子結構已經搞清,它是由卟啉組成的。As for the leaves, we use bezier curves to describe shape of leaf midrib. the texture image of leaf is embedded into the space of local frames along the midrib curve
對于葉片的生成,本文採用bezier參數曲線描述葉子中脈的形狀,把樹葉或草葉構成的星形結構紋理圖象嵌入到葉脈參數曲線的局部標架中來實現。Cotyledon ( seed leaf ) the first leaf of the embryo of seed plants, which is usually simpler in structure than later - formed leaves
子葉:種子植物胚胎的第一片葉,在結構上通常比后來形成的葉簡單。Strobilus ( pl. strobili ) a group of sporophylls ( spore - bearing leaves ) arranged around a central axis, found in gymnosperms, lycophyta ( clubmosses ), and sphenophyta ( horsetails )
球果:孢子葉向中軸聚攏形成的結構,存在於裸子植物門植物、石松亞門植物(石松)和木賊綱植物中(楔葉類) 。To target this mitochondrial enzyme into chloroplast, the cdna sequence of mnsod was fused to a chloroplast transit peptide from a pea rubisco small subunit gene, whereas expression of the chimeric gene was driven by the camv 35s promoter
Pchlsod質粒含有煙草mnsod基因的cdna序列,與豌豆核糖體小亞基葉綠體引物肽( tp )的編碼基因序列構成融合基因,由35s啟動子調控。 npt基因為選擇標記基因, pgv2260為輔助質粒。The following contents were mainly studied : ( 1 ) aspect, structure as well as characteristic of species composition between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest ; ( 2 ) species diversity, species abundance and species evenness between fragmental evergreen broadleaved forests and contin. us evergreen broadleaved forest ; ( 3 ) plant floristic compositions at family and genus levels between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest ; ( 4 ) life form between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest ; ( 5 ) microclimate factor ( sun radiation, temperature, wind velocity, humidity ) in different level pattern ( open, edge and interior ) between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest ; ( 6 ) the relations between environment and soil factors as well as species diversity of forest community between fragmental evergreen broadleaved forests and continuous evergreen broadleaved forest
主要研究以下內容: ( 1 )片斷和連續常綠闊葉林的外貌、結構和物種組成特徵; ( 2 )片斷和連續常綠闊葉林的物種多樣性、豐富度和均勻性; ( 3 )片斷和連續常綠闊葉林的科( ? )屬水平的植物區系成分; ( 4 )片斷和連續常綠闊葉林生活型組成; ( 5 )在不同的水平梯度格局上(林外、林緣和林內) ,片斷和連續常綠闊葉林的小氣候要素(光照、溫度、風速、濕度等) ; ( 6 )片斷和連續常綠闊葉林的環境和土壤因子,與群落的物種多樣性之間的關系。實驗結果表明: ( 1 )各片斷森林的外貌特點基本上和連續森林一致。Influences on host plant cell pathology by tumv infection tumv particles were scattered in cytoplasm area of diseased cells separately or in bundles. the pinwheels, scrolls and laminated aggregates, which were the cross sections of cylindrical inclusion bodies, were observed under transmission electron microscope. meanwhile, pathological changes of diseased chloroplasts " morphology and structure took place
Tumv侵染寄主的細胞病理學特徵利用透射電鏡觀察接種寄主細胞的超薄切片,分離自杭州榨菜上的tumv分離物jc - 1在青菜和芥菜的細胞質中病毒粒子分散或成束分佈;細胞質中存在不同形態的柱狀內含體,分別為風輪體、捲筒體、片層聚集體;同時,葉綠體發生了形態和結構上的改變。Thin sections of host leaf cells infected by bbwv - 2 isolate b935, which were gold - labeled by antibodies of bbwv - 2 coat protein ( cp ) and vp37, respectively, were prepared to elucidate the locations of vp37 in cell and possible function of vp37 and cp in cell to cell movement. observation in electron microscope showed that virus particles were presented not only in cytoplasma but also in chloroplast, while vp37 was existed only in cytoplasma and associated with tubular structure through the cell wall
為研究vp37在寄主細胞中的作用機制及其在細胞中的分佈,通過膠體金間接標記6his - vp37兔抗血清,同時還標記了病毒的外殼蛋白單克隆抗體,對bbwv - 2分離物b935感染的病葉超薄切片的電子顯微鏡觀察發現:病毒粒子除了聚集在胞質中,還存在於寄主的葉綠體內; vp37蛋白能在細胞壁上形成管狀結構,在胞質中亦有分佈。The system is one module of the demolition blasting expert system developed by the professor fangzefa and doctor yehaiwang of wuhan university of technology. the demolition blasting expert system is made up of the following four modules : the plate demolition blasting, the building and frame building demolition blasting, the soaring structure demolition blasting, the thin - wall vessel demolition blasting. the building and frame building demolition blasting module is composed of the brick building and the brick - concrete building and the frame building demolition blasting
本文研究的對象是框架結構樓房拆除爆破專家系統,該系統是武漢理工大學房澤法教授、葉海旺博士開發的拆除爆破專家系統四大模塊:板(塊)體拆除爆破、樓房框架拆除爆破、高聳建築物拆除爆破(已開發) 、薄壁容器類構築物拆除爆破所組成的拆除爆破設計專家系統中樓房框架拆除爆破模塊其中的一個子模塊,樓房框架拆除爆破專家系統包含磚結構類樓房、磚混結構類樓房和框架結構類樓房三大類。In this thesis, we have mainly studied the characteristics of chf3, c6h6 and cf4 electron cyclotron resonance ( ecr ) plasma using langmuir probe and optical emission spectroscopy ( oes ). the relative concentration of different radicals in chf3 plasma and the effect of chf3 / c6h6 ratio on bond configuration of a - c : f films were discussed. it was showed that h, f, c2 were the main radicals among radicals of h, f, c2, ch and f2 in chf3 ecr plasma
重點研究了chf _ 3 、 cf _ 4和chf _ 3 c _ 6h _ 6放電等離子體中基團的分佈;分析了不同基團的相對密度隨宏觀放電條件(微波輸入功率、放電氣壓、源氣體流量比)的變化規律;探討了等離子體中各種基團的生成途徑;在不同源氣體流量比的條件下沉積了a - c : f薄膜並通過傅立葉變化紅外吸收光譜( ftir )的測量得到了薄膜中鍵結構的信息;分析了a - c : f薄膜的沉積速率及其鍵結構與等離子體空間基團分佈狀態之間的關聯。So the automatic description management and the references self - adjusted control can be realized. in this paper, efforts are made to real ize the optimization of description on line by introducing the learning link. in this paper, the construction, basic function, hardware and software compositions and practicing scheme of the tobacco re - dryer intelligent control system are discussed systematically
本文系統地論述了煙葉復烤機智能控制系統的構成、基本功能、硬體結構、軟體結構及實施方案;詳細介紹了具有自學習功能的配方管理子系統、基於模糊數模型的參數自調整子系統以及用工控組態軟體citect5 . 21開發的煙葉復烤機監控系統的設計和實現方法。The solution formula of dwell time is deduced by using the pulse iteration method and the smoothing fourier transition method, and the formula can be simplified referring to workpiece shape. according to the anastomotic status of the tool and workpiece surface, we present the new model of the inherent relation among local pressure density, removal rate, convergence ratio and residual errors, and the corresponding formulas are given. the forming cause of the edge effect in the polishing process is analyzed, and the means which reduces the edge effect is put forward
2 、針對計算機控制光學表面成形( ccos )的加工方式、誤差收斂特點,研製了去除函數呈高斯分佈的雙轉子結構研拋模;採用脈沖迭代法、平滑因子傅立葉變換法推導出駐留時間的演算法,求解過程中根據工件面形的特點作了各種形式的簡化;提出了工件表面和研拋模的吻合誤差與局部壓強、材料去除率、收斂比之間內在關系的數學模型,並推導出相應的計算公式;分析了邊緣效應產生的原因,在加工過程中採用相對壓力因子對去除函數進行修正,可以消除邊緣效應的影響。In addition, the pith of root and stem is flourishing for prosperous growth period and declining period, the vascular tissue storing the nutrient and providing the nourishment for the biennial plant in next year from abnormal secondary growth is developing in pith, unusual structure eg. epidermis and vice - epidermis, bubble form cell, short pipe numerators and wreath grid types leaf etc. in each organ of pugionium comutum ( l. ) gaertn. had been formed to adapt to dry environment, so the characteristics on appearance and anatomies in pugionium cornutum ( l ) gaertn. has closely of relation with its anti - drought and its adapting to desert environment
此外,葉片旺盛生長期、衰退期根莖具發達的髓,髓內有異常次生生長形成的維管組織,貯藏養分,為沙芥次年形成二年生植株提供營養,沙芥各器官在解剖結構方面都形成了特化結構如具表皮及副表皮、泡狀細胞、短的導管分子及環柵型葉等以適應乾旱的環境,因此沙芥各器官的形態及解剖特點與其抗旱、適應沙漠環境有密切的關系。The testes of pseudobagurs fulvidraco ( richardson ) can be divided into two parts. the anterior part is spermatogenic part where spermatogenesis proceed. the posterior part of it is the seminal vesicle, which can store sperms and produce large amount of fluid during spawning season. at the end of april, the spermatogenic part of the testes, which is at stage, begin the initiation of spermatogenesis. in may, the spermatogenic part of the testes, which is at stage , starts active spermatogenesis. from june to novermber, the spermatogenic part is at stage, and spermatogenesis is actively proceeding. from december to the beginning of next april, the spermatogenic part is at stage. the wall of the lobulus is made up of cystes of spermatogonia throughout the whole winter time
黃顙魚的精巢從外形上分為上、下兩段.上段為生精部,下段為貯精囊.性成熟黃顙魚精巢的生精部為小葉型結構,其周年變化經歷如下過程:期?期?期?期?期. 4月下旬開始生精活動的啟動.生殖季節為5 7月, 5月生精部處于期. 6 7月生精部處于期,產生大量精子. 8 11月雖非生殖季節,生精部仍進行生精活動. 12月至翌年4月,生精部處于期,並以期精巢過冬.貯精囊在生殖季節分泌活動旺盛,產生大量分泌物Abstract : a noise model for the analog correlator used in the ultra wideband receivers is proposed due to lack of simulation capability on noise performance of the correlator in current eda tools. the analog correlator circuit is divided into several parts to calculate the equivalent noise sources respectively. the ideal impulse generators, instead of the noise sources, are then applied to obtain the time varying transfer functions. fourier transforms are carried out to explore the relationship between the noise input and output in frequency domain for each part. then the symmetrical noise sources are grouped together and the periodicity of the circuit is utilized to further simplify the model. this model can be used to evaluate noise performance of the correlator
文摘:給出了分析模擬相關器的噪聲模型.將相關器分成不同的幾個子模塊后,對各模塊分別計算等效噪聲源.然後用理想脈沖源代替噪聲源計算電路的時變傳輸函數,接著用傅里葉變換計算輸入輸出的頻域關系.利用電路的對稱結構合併對稱的子模塊可以進一步簡化模型.該模型可以用來估計相關器的噪聲性能The catena product wholly design for transporting definite corrosive medium have granule or crystal, adopt steel pad uhmw - pe to made it. owned excellent resist causticity and reputably resist attrition, structure and design is model of hang arm front - karat, impeller is half karat model no front cover, boost up transit capability of passage. let the granule and impurity of medium pass pump - cavity quickly not to jam
本系列產品專為輸送具有一定腐蝕性且含有細顆粒或有結晶的介質而設計,採用鋼襯超高分子量聚乙稀模壓成型工藝製造,具有優異的耐腐蝕性和卓越的耐磨性能,結構設計為懸臂前開式,葉輪為半開式無前蓋板,增強了流道內的通過性,使介質中的顆粒及雜質很快通過泵腔而不會堵塞,軸封為k型氟橡膠密封環外帶冷卻水套,兼顧了耐腐與耐磨的雙重要求。In this paper the turbine blade is described by the method of csg and b _ rep mixed. each part of turbine blade has been divided into the meshes with the parameter mapping method. then the process of integrating the sub - block into a whole object is completed with the method of integer coordinate
本文採用csg與b _ rep混合描述法描述汽輪機葉片的結構,利用參數映射法對汽輪機葉片的每個子塊進行網格剖分,然後利用整數坐標實現子塊網格集合成整體有限元網格模型。We have created transgenic tobacco plants in which expression of the atnced3 coding region is under strong constitutive 35s cauliflower mosaic virus ( 35s ) promoter, stress - inducible rd29a promoter or stomotal - specific kst1 promoter by agrobacterium tumefaciens - mediated transformation
構建了組成型35s 、誘導型rd29a 、氣孔特異表達性kst1啟動子驅動atnced _ 3基因表達的真核表達載體,通過農桿菌介導的葉盤法轉化煙草,得到了轉基因植株。The upstream region - 419 - 90 of promoter camv35s was repeated 2 times manually, and then became enhancer e12which can improve promoting efficiency of promoter camvsss to 70 folds
增強子e12是將camv35s啟動子上游- 419 - 90區域重復2次所構成的序列,該序列可使camv35s啟動子在雙子葉植物中的啟動效率提高70倍。分享友人