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次生结构     
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  secondary structure
     Study on the Relationship between Secondary Structure in Root and Ecological Habits of Hippophe rhamnoides
     沙棘根次生结构与生态习性关系的研究
短句来源
     The Anatomical Structure of the Vegetative Organ of Sesamum indicum L.——Ⅲ.The Root primary secondary structure
     芝麻(sesamum indicum L.)营养器官解剖结构的研究Ⅲ根的初生结构和次生结构
短句来源
     The rays in the secondary structure are heterocellular.
     根初生结构为二原型,次生结构中射线为异型射线。
短句来源
     3.The secondary structure of root and stem of Lonicera ruprechtiana Regel has similar characteristics, belongs to diffuse-porus wood.
     3.长白忍冬根、茎的次生结构组成成分相似,均属散孔材。
短句来源
     The adventitious root is triarch,and has the secondary structure.
     不定根为三原型 ,具次生结构
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  the secondary structure
     The rays in the secondary structure are heterocellular.
     根初生结构为二原型,次生结构中射线为异型射线。
短句来源
     3.The secondary structure of root and stem of Lonicera ruprechtiana Regel has similar characteristics, belongs to diffuse-porus wood.
     3.长白忍冬根、茎的次生结构组成成分相似,均属散孔材。
短句来源
     The adventitious root is triarch,and has the secondary structure.
     不定根为三原型 ,具次生结构
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     The results showed that there were specialcircular pericycle cells in the secondary structure of the roots;
     研究结果表明,根的初生木质部为二原型,在次生结构中存在特殊的环带状中柱鞘细胞;
短句来源
     Its root system is composed of adventitious roots. The primary xylem of root is 2~4 arches,and the secondary structure of root is characterized by a thicker phelloderm.
     根系由不定根组成 ,根的初生结构木质部为 2~ 4原型 ,次生结构中栓内层较厚。
短句来源
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  secondary thickening
     DEVELOPMENTAL STUDIES ON THE ANOMALOUS SECONDARY THICKENING IN THE ROOT OF MEDICINAL SPECIES OF PHYTOLACCA ACINOSA ROXB.
     药用植物商陆(Phytolacca acinosa Roxb.)根中异常次生结构的发育解剖学研究
短句来源
     ANOMALOUS SECONDARY THICKENING IN THE ROOTS OF MEDICINAL SPECIES OF CYATHULA OFFICINALIS KUAN.
     药用植物川牛膝根中异常次生结构的发育解剖学研究
短句来源
     It has been emphasized upon discussing on the source of pro-dueing the secondary thickening differentiation-tissue and its way of producing secondary structure in the paper.
     本文着重讨论驼绒藜茎产生次生加厚的分生组织起源及其产生次生结构的方式
短句来源
     The anomalous secondary thickening results from(supernumerary) cambium derived from the outmost elements of secondary phloem. The following supernumerary cambium(in-)(itiates) in the parenchyma derived from the outmost immediate preceding ring. The connective tissues are developing parenchyma with two-four regular and concentric rings of collateral tertiary bundles.
     初生结构和早期次生结构正常,异常的次生生长是由于次生韧皮部外侧发生的额外形成层所致,后一轮额外形成层起源于前一轮向外产生的薄壁细胞,结合组织为发达的薄壁细胞,二-四轮三生维管束排成整齐的同心环类型,不定芽主要起源于异常根的额外形成层,芽外有二至三轮鳞片,其内着生许多毛状物;
短句来源
     The anomalous secondary thickening was studied in the root of medicinal species of Achyranthes bidentata B1. The primary and early secondary structures are similar to those of most herbs of the dicotyledons.
     本文报道了药用植物牛滕根的异常次生生长。 其初生结构和早期的次生结构类似于一般的草本双子叶植物根。
短句来源
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  “次生结构”译为未确定词的双语例句
     A STUDY ON THE ANATOMICAL STRUCTURE OF THE VEGETATIVE ORGAN OF Oenothera Lamarckimana Ser. Ⅲ The Anatomical Structure of the Root
     拉马克月见草(Oenothera Lamarckinan Ser)营养器官解剖构造的研究 Ⅲ 根的初生结构和次生结构
短句来源
     Anomalous Secondary Structures in the Roots of Medicinal Plants
     药用植物根中的异常次生结构
短句来源
     five types of vessel perforation were recognized in these species: (1) the simple perforation plate, (2) the scalariform perforation plate, (3) the simple-scalariform perforation plate, (4) the reticulate perforation plate, (5) the simple-reticulate perforation plate;
     根的次生结构由外向内为周皮,皮层和维管柱; 根和茎的次生木质部导管分子具五种穿孔板类型:(1)单穿孔板,(2)梯状穿孔板,(3)梯状和单穿孔混合穿孔板,(4)网状穿孔板,(5)网状和单穿孔混合穿孔板;
短句来源
     (3)It is first time to take secondary structural planes, such as unloading fissures, etc. for the one of symbols of engineering geological petrofabric division, and to put forward the basical principles of engineering geological petrofabric division in the low rock stress region.
     (3)研究区洞室围岩岩体工程地质岩组的划分,除了以岩性和原生结构面作为主要的划分标志以外,结合低地应力区围岩结构特征,作者将次生结构面如卸荷裂隙等也作为其中的划分标志之一,并相应地提出了低地应力区围岩工程地质岩组划分的基本原则和划分依据。
短句来源
     Mixed Formation" suggested here is the basic stratigraphic unit with structural deformation between "formation" and "complex". "
     组是原岩组构保存良好的地层类型,即这类地层的结构构造主要是沉积构造、火山岩原生构造。 岩组的结构构造则主要是后期变形变质过程中形成的劈理、片理等构造面理,是由构造置换作用形成的次生结构构造。
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  secondary structure
The secondary structure of catalase was changed by PDSG.
      
Effects of pH, enzyme concentration, and various supplements on the catalytic activity, temperature stability, and secondary structure of horseradish peroxidase (HRP) were studied in diluted aqueous solutions.
      
CaCl2, BSA, and glycerol caused protective effects, whereas KCl, LiCl, maltose, PEG-6000 (at a concentration above 3%), Triton X-100, ethanol, and Kathon CG had an opposite effect and altered the secondary structure of HRP.
      
The secondary structure of its molecule was characterized by a considerable number of α-helices.
      
A study of the secondary structure detected the predominant presence of β-structures, especially antiparallel, in the molecule of this regulatory protein as well as the regions described in terms of a statistical globule.
      
更多          
  the secondary structure
The secondary structure of catalase was changed by PDSG.
      
CaCl2, BSA, and glycerol caused protective effects, whereas KCl, LiCl, maltose, PEG-6000 (at a concentration above 3%), Triton X-100, ethanol, and Kathon CG had an opposite effect and altered the secondary structure of HRP.
      
The secondary structure of its molecule was characterized by a considerable number of α-helices.
      
A study of the secondary structure detected the predominant presence of β-structures, especially antiparallel, in the molecule of this regulatory protein as well as the regions described in terms of a statistical globule.
      
Binding of Mg2+, Co2+, and Mn2+ to the protein globule changes both the secondary structure and the catalytic properties of the enzyme.
      
更多          
  secondary thickening
From growth analysis, cotton fiber development was divided into four distinct phases, (i) initiation, (ii) elongation, (iii) secondary thickening, and (iv) maturation.
      
Microscopic and electron microscopic examination of the resin canal complex isolated from slash pine chlorite holocellulose showed it to be composed of thin-walled, unlignified tissue apparently without secondary thickening.
      
Secondary thickening of the appendix due to perforated sigmoid disease provides a potential pitfall mainly on US and may lead to an incorrect diagnosis and thus to unnecessary surgery or a wrong surgical intervention.
      
This increase is closely correlated with the enhanced deposition of xylan occurring during the formation of secondary thickening.
      
Induction of arabinan synthetase activity occurs during division and extension growth while that of xylan synthetase occurs subsequently during the period of secondary thickening of the cell wall.
      
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The present paper observes and describes the differentiation of theprimary structure and the process of secondary growth occuring in the stemof Eucommia ulmoides. The stem apex of Eucommia ulmoides consists ofone-layered tunica and corpus. The differentiation of primary structure ofthe stem begins with the ground meristem which involves the cotex and thepith, while at the ring of procambium, the first primary vascular tissuesdifferentiate in three or four separate strands. At the successively laterstages of...

The present paper observes and describes the differentiation of theprimary structure and the process of secondary growth occuring in the stemof Eucommia ulmoides. The stem apex of Eucommia ulmoides consists ofone-layered tunica and corpus. The differentiation of primary structure ofthe stem begins with the ground meristem which involves the cotex and thepith, while at the ring of procambium, the first primary vascular tissuesdifferentiate in three or four separate strands. At the successively laterstages of development as more and more of the strands may be differentia- ted in the vascular region. the primary vascular tissues have developedinto rings as a result. According to Esau, the primary vascular system ofthe stem of Eucommia ulmoides is a traces system, while at the same timethe structure of the stem nodes prossess the features of unilacunar gap andone trace. When the primary structure has completed its differentiation inthe stem of Eucommia ulmoides, the epidermis begins to be transformedphellogen, producing first periderm. At the same time, cell division takesplace in the vascular cambium as well, thus producing the secondary vascu-lar tissues. Before the growth season comes to a close, the secondarystructure has become the principal part of the stem of Eucommia ulmoides.

本文对杜仲茎内初生结构的分化和次生生长过程进行了观察描述。杜仲的茎端是由原套和原体组成,原套为一层细胞。茎的初生结构的分化开始于皮层和髓二部分基本分生组织,而原形成层环首先在3—4个分散的束内分化出初生维管组织,在以后的发育过程中,由于分化出更多的束,使初生维管组织联接成环状。参照Esau的观点,杜仲茎的初生维管系统应属于叶迹系统,而其节部结构的特征为单叶隙、单叶迹。在杜仲茎内初生结构分化完成时,其表皮即转变为木栓形成层,产生第一次周皮,此时,维管形成层也开始细胞分裂,产生次生维管组织,因此,在生长季结束时,茎内次生结构已成为主要部分。

Angelica sinensis (Oliv.) Diels is one of the important Chinese drugs. The present paper deals with the tissue differentiation of the roots of Anpelica sinensis (Oliv.) Diels, and the anatomy characteristic of every developmental stages, including the root tip, primary structure, secondary structure, and formation of the latent roots. The detailed results are summarized as follows:1. The primary xylem of Angelica sinensis (Oliv.) Diels is diarch.2. The pericycle produces the latent roots and periderm.3. In the...

Angelica sinensis (Oliv.) Diels is one of the important Chinese drugs. The present paper deals with the tissue differentiation of the roots of Anpelica sinensis (Oliv.) Diels, and the anatomy characteristic of every developmental stages, including the root tip, primary structure, secondary structure, and formation of the latent roots. The detailed results are summarized as follows:1. The primary xylem of Angelica sinensis (Oliv.) Diels is diarch.2. The pericycle produces the latent roots and periderm.3. In the transection section, the area of secondary phloem is much larger than secondary xylem.4. The secondary xylem are made up of vessel member, xylem parenchyma and xylem ray: the secondary phloem consists of numerous parenchymatous cells, except the sieve member, companion cells, and phloem ray, a number of secretory canls intermingle with parenchymalous cells, too. Every secretory canls is composed of many secretory cells.This paper provides a basis for anatomy of culture of Angelica sinensis (Oliv.) Diels.

当归是重要中药之一,本文论述了当归根的组织分化过程和每个发育阶段的解剖特征。包括根尖、初生结构、次生结构、以及侧根的形成。其详细结果概括如下: 1、当归根的初生木质部是二原型。2、由中柱鞘产生侧根及周皮。3、在横切面上,次生韧皮部的面积比次生木质部大得多。4、次生木质部由导管分子、木薄壁细胞和木射线组成;次生韧皮部由大量的薄壁细胞组成,除了筛管分子、伴胞、韧皮射线以外,还有许多分泌道与薄壁细胞相混生,每一个分泌道由许多分泌细胞构成。本文为当归的栽培管理提供了解剖学依据。

The present paper reports the laws of anomalous secondary structures in medicinal plant roots of 4 species. In the root tuber of Polygonum multiflorum, there is a ring of abnormal vascular bundles which are variable in size. It scatters in the parenchyma around the normal stele. Outside the stele in the fleshy tap root of Phytolacca acinosa, there are abnormal vascular bundles arranging in more than 5 concentric rings and parenchymatous conjuctive tissues between them. The 2 kinds of roots discribed above possess...

The present paper reports the laws of anomalous secondary structures in medicinal plant roots of 4 species. In the root tuber of Polygonum multiflorum, there is a ring of abnormal vascular bundles which are variable in size. It scatters in the parenchyma around the normal stele. Outside the stele in the fleshy tap root of Phytolacca acinosa, there are abnormal vascular bundles arranging in more than 5 concentric rings and parenchymatous conjuctive tissues between them. The 2 kinds of roots discribed above possess abundant parenchymas within their abnormal vascular bundles as well as between them so as to adapt for their storage functions. In the tap and lateral roots of Achyranthes bidentata and Cyathula officinalis, there are also more than 4 rings of abnormal vascular bundles outsite their steles, but the arranging form of the bundles and the degree of lignification in radial conjuctive tissues are obviously different from each other. The parenchymas in both species roots, which do not belong to fleshy ones, are not developed. There are not any starch grains in there parenchymatous cells. The anomalnus structures are only the conservative characters in their phylogenies. These 4 medicinal plant roots all belong to the important chinese drugs. The elucidation of the laws in their structures provides some bases for cultivating these plants and identifying their medicinal parts with microscopy.

本文报道了四种药用植物根的异常次生结构规律。何首乌的块根内,在中柱周围的薄壁组织中具有一圈大小不等的异常维管束。商陆的肉质主根内,中柱的外方具有5轮以上呈同心环排列的异常维管束以及其间的薄壁结合组织。以上两种根都以异常维管束内及其间具有大量薄壁组织来适应贮藏功能。牛膝和川牛膝的主根和侧根内,中柱外方也都具有4轮以上异常维管束。但是,异常维管束的排列方式和径向结合组织的木质化程度有明显区别。这两种根内薄壁组织都不发达,细胞内也不含淀粉,不属于肉质根,其异常结构仅是系统演化中保留下来的性状。四种药用植物的根都是重要的中药。因此,这些规律的阐明为它们的栽培管理和显微鉴定提供了一些依据。

 
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