次生构造
- 网络secondary structure
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在组织培养条件下长出的不定根内部解剖构造为典型的初生构造,移栽后68d出现次生构造。
The structure of the adventitious roots induced under the conditions of tissue culture was a typical primary structure and the secondary structure appeared for the first time 68 days after their transplanting .
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根的皮层细胞从初生构造到次生构造只是体积长大,无数量增加;
From primary structure to secondary structure of the root the number of cortical cells remains the same only their size increases .
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结果:光果葶苈的根部有次生构造,木质部射线较韧皮部射线宽广;
Results : The results showed that there were secondary structure in the root , and xylem ray were wider than phloem ray .
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结果表明:桤木茎的次生构造从外至内由周皮、皮层和次生维管组织3部分组成。
The results show that the secondary structure of alder stems were composed of three parts from periphery to center on the cross section , e.
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小秦岭地体中的褶皱包括露头褶皱和宏观褶皱,组成褶皱的面理为次生构造面理。
The fold in the Xiaoqinling terrane included the outcrop fold and macrofold , and the foliation formed by the fold was the secondary structural foliation .
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结论南方红豆杉根的次生构造与其他裸子植物和双子叶植物一致,但次生木质部由管胞,次生韧皮部由筛胞组成。
Conclusions The secondary structure of the root of Taxus chinensis var. mairei accords with that of other gymnosperms and dicotyledons , although its secondary xylem is constituted with tracheids and sieve cells .
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结果表明,金纽扣的显微结构鉴别特征为:根部次生构造不发达,皮层裂隙较多,维管束辐射型,根横切面观细胞壁普遍较厚;
The results showed that secondary structure of root was undeveloped , there were mass crannies in cortex , vascular bundle were radial pollens were seen , cell wall showed a little thick in common ;
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通过宁夏香山南麓严重缺水区寻找地下水方法研究,总结出干旱区碳酸盐岩区主干断裂间的次生构造具有较强的富水性;
Through the study on the method to find groundwater in the arid area of South Xiangshan Mountain of Ningxia , it is concluded that there is abundant groundwater in the Cambrian limestone and the Jurassic sandstone .
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本文从地质学角度,通过对碴瓦莫拉矿床矿石和岩石原生构造,次生构造以及热液物质与矿化关系等大量野外观察资料的研究,为同生沉积说提供了地质依据。
From geological point of view , through the studies of a large quantity of field observations on the relationship between primary / secondary tectonic features of ore / hostrock , hydrothermal substances and mineralisation , the paper provides some evidences to ' synsedimentary theory ' .
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珙桐与喜树茎次生木质部解剖构造的比较
Comparison on the Anatomical Structure of Secondary Xylem in Stem Between Davidia involucrata and Camptotheca acuminata
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指出,砾岩的储集空间为原生砾间孔、砾间洞、粒间缝、次生溶蚀孔和构造缝。
It is pointed out that reservoir space of conglomerate is composed of primary intergranular pore , hole and fracture , secondary denudation pore and structural fracture .