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Nucleus and cytoplasm can be seen in all the parenchymatous cells and pericycle cells of secondary structure.

4次生构造的薄壁细胞和中柱鞘细胞中可见细胞核和细胞质。

Pericycle The parenchymatous layer of cells that lies within the endodermis,forming the outermost part of the stele.

中柱鞘:位于内皮层以内紧挨内皮层的一层或几层薄壁细胞,形成中柱的最外部分。

Pekinensis . IAA at concentration of 0.4-1. 0 mg/L in solid MS medium incited many adventitious roots on hypocotyl segments. The earliest anatomic changes were observed on cut surface of hypocotyl segments under optical microscope 24 hours after IAA treatment: cytoplasmic and nuclear density became higher in a few of parenchytmatous cells adjacent to phloem in tissue of pericycle, followed by cell divisions.

在生长素诱导24h后,可借助显微切片观察到下胚轴切面附近明显的解剖学变化:首先是中柱鞘内靠近韧皮部的薄壁细胞的细胞质与细胞核变浓,染色加深,部分细胞分裂;随后是分裂的细胞团增大,逐渐形成根原基并分化出根冠。

During secondary growth,the meristematic PHELLOGEN gives rise to parenchyma tissue,the periderm, which forms the secondary cortex.

在次生生长过程中,周皮分生组织的分裂活动所产生薄壁组织细胞,形成栓内层。

Life of cork cambium is only one year, later it also is changed into cortex cells, so that the new cork cambium will appear in inner of the periderm. Finally, it can form in parenchyma cell of secondary phloem.

木栓形成层的寿命只有一年,随后转为木栓,所以新的木栓形成层将出现在周皮的内方,最后木栓形成层可以由次生韧皮部薄壁细胞形成。

As the plants grew for a longer time the cells in the phellem of the taproots become smaller in size and closer in arrangement and calcium oxalate crystal declined in quantity in the phelloderm of the taproots all the taproots had three secretory canals but on average the calibers of the canals gradually become smaller the parenchyma cracks in outer phloem and the xylem part near the root center gradually increased in size ,and the area ratios of phloem to xylem continuously decreased the vessel and vessel-layer numbers in secondary xylem of the transplanted .

不同生长年份的移山参主根结构具有一定差异:随生长年份的增长,木栓层细胞体积变小,排列趋于紧密;栓内层草酸钙结晶越来越少;分泌道均为3轮,但平均口径逐渐减小;韧皮部外侧和木质部靠近根中央处的薄壁组织的裂隙逐渐增大;韧皮部与木质部的面积比则不断下降;12年,16年生移山参主根次生木质部中导管数量和层数明显多于8年生。

There are also fibers,and parenchymatous packing tissue in the phloem.

韧皮部中还有韧皮纤维以及薄壁组织细胞。

Rainfall was observed with pluviometer, Usingthin triangle-weir and water line meter observed runoff and using flow meter and HOBOautomatic observed flux and velocity of flow.

降雨采用雨量计实时观测,地表径流采用薄壁三角堰加水位计自动记录流量,壤中流采用翻斗流量计加HOBO自动记录流量及流速。

Results:Main imaging features of APK were as follows:On abdominal plain films showed the lobalate renal enlargement in 46 cases,calcification of polycystic wall in 14 cases,renal calcium milk in 5 cases,60 cases were showed separation,deform and longthend of renal pelvis on intravenous urography and retrograde urography,5 cases were showed renal enlargement on retroperitoneal pneumography,on CT scans in 25 cases showed mulltiply cysts with thin wall,unecho liquid shadows were showed on B-mode ultrasound.

结果:成人多囊肾的主要影像学征象:腹部平片(46例)显示肾影呈分叶状增大;囊壁钙化(14例);多囊肾合并肾钙乳(5例);肾盂造影(60例),表现为肾盂、肾盏相互分离、变形、拉长;腹膜后充气造影(5例):表现为肾影增大肾影与邻近器官之间的关系,其界限清晰可辨;CT扫描(25例):表现为肾内多数大小不等的薄壁圆形低密度区;B型超声(47例)表现为肾内多个类圆形无回声的液性暗区。

Beck Automation, Oberengstringen, held back with a true speciality for Fakuma 2009: For the first time Beck labels a transparent polystyrene thin wall cup.

贝克自动化,Oberengstringen,举行了2009年的Fakuma的真正的专业复苏:这是第一次贝克标签透明聚苯乙烯薄壁杯。

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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐

The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.

血精的原因很,以良性病变为主。