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It reveals that the lignification of cells around growing points is an important reason of roots elongation inhibition.

结果显示小麦根尖生长点及侧根发生点均被高度木质化的细胞所包围，说明生长点周围细胞细胞壁木质化是铝抑制小麦幼苗根系伸长的一个重要原因。

Salt solution approximate 10^(-1M treatments were more effective in the inhibition of elongation. Fiber formation and lignification were also inhibited to various degrees by salt solutions.

以10^(-1)M左右的硝酸镁、硝酸钙、硝酸钠溶液处理，嫩茎的抽长被抑制得更多；纎维化和木质化也受到明显的抑制。

The effects of spinning process on linear density, tenacity and elongation of Nylon 66 technical yarn were described.

介绍了尼龙66纺丝工艺对工业丝物理性能如线密度、强力、定负荷伸长率的影响。

A-type folds and sheath folds: a-type folds are those whose axis is parallel to the elongation lineation.

a型褶皱和鞘褶皱：a型褶皱是褶皱轴与拉伸线理平行的褶皱，可以由剪切作用直接形成，或是由b型褶皱随着剪切变形的加剧改造而成，一般发育在剪切带的中心部位。

The belt shows gentle mylonitic foliation and nearly N-S trending mineral elongation lineation.

其中呈现为平缓的糜棱面理和近南北向的矿物拉伸线理。

Shape and color characteristics were used to form the separated pattern vector and RBF network was used as classifier for each pattern. Each classifier was linearly combined to give the final identification result. Shape pattern consists of rectangularity, elongation, roundness, sphericity, lobation and seven movement invariants. R, G, B, L histogram and R.G chromaticity histogram were treated as separated color characteristic vector.

昆虫图像的形态特征值由矩形度、延长度、球状型、叶状型、似圆度和 7个Hu不变矩等12个特征值组成，颜色特征值由红、绿、蓝、灰度真方图及基于红、绿的二维色度直方图特征值分别组成，然后建立径向基神经网络分类器，每一特征向量由独立的径向基神经网络做为分类器，最终识别由每个分类器识别结果的线性组合而成。

2The shorter and smaller variation of plants was caused by the mutated gene which made physiological effects of some plant growth regu—lors weak,this restrained cell elongation and division and the peroxidase activitv of the mutants increased in the biochemical process.

2植株矮小突变是突变基因使一些生长调节物质的生理作用减弱，从而使细胞的伸长和分裂受到抑制，导致植株矮小。

The ferrite grain size of samples influenced the strength and elongation of dual-phase steels with different martensite contents.

试样的铁素体晶粒大小在不同的马氏体范围内对强度和延伸率有不同的影响。

In this thesis, seed germination and root elongation test, early growth test were performanced by chemical spiked (Cu, Zn, Pb and Cd; Phenanthrenen, Pyrene; and1, 2, 4-trichlorobenzene) in four types of soils (red load soil, meadow brown soil, chestnut soil and dark brown soil) using wheat, Chinese cabbages , tomatoes , turnip and scallion as plants: The toxicity of heavy metals Cu.

本文选择4类典型土壤（红壤、草甸棕壤、暗棕壤和栗钙土），以（小麦、白菜、萝卜、西红柿、大葱）为供试植物，进行了重金属（Cu、Zn、Pb、Cd）、有机氯、多环芳烃污染的植物种子发芽与根伸长抑制试验；植物早期生长试验研究；以草甸棕壤为供试土壤，进行了重金属（Cu、Zn、Pb、Cd）单一、复合污染条件下的蚯蚓急性毒性实验；以草甸棕壤、污染土壤和生物修复土壤进行蚕豆根尖实验和土壤原生动物实验。

The relative content of protein was maximum in the elongation region, but minimum in the meristem region.

对于DNA、RNA和蛋自质的动态变化在种胚发育中研究得较多。jj。

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