伸长器

Van Beek's activator appliance could restrict the growth of maxilla and stimulate the growth of mandible in horizontal direction and control jaws posteroinferior rotation , lower front teeth and elongate mandibular molar in vertical direction.

Beek功能矫正器能在水平方向产生抑制上颌骨生长，刺激下颌骨生长；在垂直方向控制上下颌骨后下旋转，压低上下前牙及伸长下磨牙的效果。

YZT rubber vibration absorber(for electronic apparatus and instruments) is composed of steel plate with bolt on top and bottom,columniform and coniform rubber in the middle,which can be compressed and stretched.

YZT型橡胶隔振器是由配螺栓的上下钢板、中间圆柱形、圆锥形橡胶体承载，可压缩和伸长，具有结构简单、安装方便，耐酸碱、耐油、抗老化、耐温等性能，广泛应用于电子仪器、仪表、设备柜内，也可应用在风机、水泵、冷水机组和柴油机组等。

SATEC Series 300 LX , featuring an Automatic Extensometer and Pneumatic Grips, and 3300 series testers.

SATEC 系列300 LX 兼有自动伸长计和气动握紧，及3300系列试验器的特点。

DMBQ, ferulic acid and resorcin were effective chemical signal substances in the process of seed germination and haustorium formation of Cistanche deserticola. 4.The embryo is consist of 12 cells, the endosperm cell degraded so as to provide nutrition for the embryo development .As a result, germ tube differentiated from the embryo and came out through micropylar end, the small cell at the tip of the germ tube held the capacity of cleavage and the other cells grew big ,so the germ tube elongated .The anterior extremity of germ tube swelled to form haustorium under chemical substances treatment, the haustorium cell stained ,especially its portrait because of the lignification of the cells.

肉苁蓉种子的胚是由12个细胞紧密排列形成的圆球状胚，球形原胚分裂增殖的同时，胚乳细胞分解，为胚细胞的增殖提供营养，最终胚上分化出的芽管由珠孔端冒出，芽管前端细胞较小，具有旺盛的分裂能力，后部细胞体积增大，芽管逐渐伸长，在化学物质的诱导下，芽管由中部至前端细胞膨大分化出初生吸器，初生吸器呈帽子状，而这些细胞比其周围的细胞着色深，吸器纵向局部区域的番红染色加深，细胞高度木质化。

When it is applied to pipeline noise elimination and panel sound absorption, the bandwidth will be much wider than one Helmholtz resonator.

研究了一类低频宽带共振吸声结构，该结构由多个带伸长瓶颈的亥姆霍兹共振器组成，可应用于管道消声和壁板吸声，达到低频宽带吸声的目的。

In the process of continuous casting, the unmelted carbon granules in the mould powder were mixed into steel liquid and became inclusions.

在连铸过程中，结晶器保护渣中未熔融的碳粒子进入钢液，在铸坯内部形成夹杂，经过热轧、穿孔之后，游离碳夹杂沿轧向伸长、呈螺旋状分布，在基体材料的晶界上偏聚，造成晶粒边界的成分不均匀。

Xenopus laevis Tadpole (1) Xenopus laevis Tadpole was capable of lens regeneration, which originated from the outer cornea.(2)The days of lens regeneration of Xenopus laevis Tadpole was earlier than Bufo Raddei Strauch Tadpole, The rate of regeneration of Xenopus laevis Tadpole was higher than Bufo Raddei Strauch Tadpole.(3)During Xenopus laevis lens regeneration the outer cornea cells proliferated, in the elongating cells the mitochondria became complicated and in the columnar cells the cisternal dilating of endoplasmic reticulum was ubiquity.

非洲爪蟾蝌蚪(1)再生晶状体来源于外角膜；(2)晶状体再生较花背蟾蜍蝌蚪晶状体再生时期早，再生率高；(3)电镜观察发现再生前期外角膜增殖，观察到晶状体上皮细胞和伸长细胞(进一步发育为晶状体纤维细胞)，伸长细胞中线粒体形状各异随着进一步的分化，细胞器逐渐消失；分化过程中晶状体上皮细胞粗面内质网增多，并且内质网扩张普遍存在。

A heating apparatus includes a heater which includes a first heating conductor pattern, a second heating conductor patterns and an elongated plate-shaped member made of heat-resistive and insulated material.

一种加热装置包括一个加热器，其包括第一加热导体图形，第二加热导体图形，和伸长板形部件。

Restriction mechanism for fiber elongation of Lil mutant grown in Held There were abnormities of ultra structure in 9 DPA fibers of Lil mutant whencompared with wild type: thinner cytoplasm, less functional organelles such as Golgi body and endoplasmic reticulum, ect, and more starch grains.

在田间条件下突变体纤维伸长受抑制的原因与野生型比较，突变体开花9d后的纤维细胞在细胞形态学上存在异常：细胞质染色较浅，各种功能性细胞器如高尔基体、内质网等少，有较多的淀粉粒等。

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