角杆

Produce and sell six head bolt, bolt, pairs of head bolt, carriage bolt the six flange, make screw up, get into tail screw, the whole tooth silk pole mainly.

主要生产和销售六角头螺栓、六角法兰面螺栓、双头螺栓、马车螺栓、组合螺钉、钻尾螺丝、全牙丝杆。

ABSTRACT Heliothis armigera nuclear polyhedrosis virus , due to its special pestiferous effect on Heliothis armigera and being innocent to human, livestock and environment, has been a commercial bioinsecticide widely in the world for years.

棉铃虫核型多角体病毒是我国最早注册的杆状病毒杀虫剂，到1999年，约有100，000公顷棉田用棉铃虫核型多角体病毒的生物制剂防治害虫。

So, some research on plane steering six-bar linkage has been done in this project as follows: based on the condition equation of correct steering and the equations of two closed loop of steering mechanism, a set of three equations in three variables can be obtained after a variable is expurgated with the elimination method.

本课题对平面转向六杆机构进行了如下的研究：根据转向条件方程，与转向机构的两个闭环方程，采用消元法消去一个未知变量，得出了转向六杆机构关于输入角的目标函数方程；利用边界条件，得出一个包含三个变量、三个方程的方程组

This study was protocoled to attach both harden circle-frame with filter-rods and much smaller mesh of outer codend to the anterior of traditional codend for measuring the escape rate. Three intervals were introduced as 17mm, 19mm, and 21mm between the filter-rods in this study. In addition, the running-water tank was used to examine the survival rate of escaped fish in the experimental codend.

本研究於渔民原来使用之第一袋网前加一斜置攻角80°之硬式圆形过滤杆框架，其杆间距设为17、19、21mm三种，并在其导引出口处加一较细网目之上袋网及在第二袋网外加一较细网目之外袋网，测量其脱逃比例及渔获比例，再将脱逃渔获放入流水舱检测其存活比率。

A simplified theoretical model has been established to describe the big yawed rod penetration into semi-infinite Rolled Homogeneous Armor targets at normal incidence, the effect of ballistic yaw is quantitatively described in the rate of penetration.

本文建立了大攻角的长杆体垂直侵彻半无限靶的简化物理模型，定量地分析了大攻角对垂直侵彻的影响。

An approximate worm wheel hobbing method is derived from the study of the engagement, module and pressure angle of worm and straight gear in the case of no worm wheel hob and then an adjustment method is determined for correct engagement between worm wheel and worm with standard cutting hob, which is more valuable in practice.

在没有涡轮滚刀的情况下，通过研究涡轮蜗杆与圆柱齿轮的啮合条件，以及涡轮蜗杆与圆柱齿轮间模数、压力角的关系，推导出一种使用标准齿轮滚刀近似加工蜗轮的方法。

With specific design on the connection between screw and bar, ALPF solved the problem of looseness. The design was reasonable in structure and simple in operation. It was provided with good physical character and biological compatibility. It conformed to the principle of biological fixation.

ALPF可以使椎体复位满意，解决了钉杆角的松动问题，钉杆连接处采用增强设计，达到了设计要求，该器械设计合理，结构严谨，操作简便，具有良好的生物相容性，良好的生物物理特性，符合生物学固定原则。

My main production plant: Diamond Drawing Die, die of natural Drawing, polycrystalline Drawing Die (square, flat line, 2.60, etc.), cd Drawing Die, Die Carbide, drawing die, spiral die, die stamping, Nail Die, Roll plate, powder-coated, straight-mode (the standard-subscript)-reduction mode, a line-and gas-wire for mold (500 kilograms, not the general bias), welding electrodes Die (wire feeding flywheel , Ramps round, the former silk eyes, pipe knives, straight-tile block, powder-coated, etc.), wire and cable die, die square, flat-Die, Die, such as 2.60 and high-tech drawing powder, recycling all kinds of Carbide, Sales: Chau-Carbide blank, Zigong Carbide rough.

我厂主要生产：钻石拉丝模，天然拉丝模具、聚晶拉丝模具、cd拉丝模具、硬质合金模具、拉伸模、螺旋模、冲压模、制钉模、搓丝板、涂粉模、直杆模缩杆模、合线模、气保焊丝专用模具（一般500公斤不偏差）、电焊条模具（送丝飞轮、斜轮、前丝眼、圆管刀、调直瓦块、涂粉模等）、电线电缆模具、正方模具、扁线模具、六角模具等以及高科技拉丝粉，回收各种硬质合金，销售：珠洲硬质合金毛坯，自贡硬质合金毛坯。

Its basic operation method is a tight mother of the lock that the opens to face afterward, can transpose the angle of the pole of arbitrarily, can process the thread that the different helix rises the Cape, this kind of knife pole has the strength and tenacities to process to slice to pare the dosage exaltation labor rate of production and decline low cost etc. to have the progress towards increasing [10]the knife, improve it is a kind of price less that knife have, yielding results the quicker method.

其基本操作方法是拧开其后面的锁紧螺母，可任意调换蜗杆的角度，可加工不同螺旋升角的螺纹，这种刀杆对增加刀具强度和韧性加工切削用量提高劳动生产率及降低成本等方面有所进步，改进刀具是一种代价较少，收效较快的方法。

At present, the location of the anti-lopsided wear centralizer used in fields is mainly based on the deviation angle. In fact, lopsided wear may be caused by the change of azimuth angle or by the vertical well section and hold angle section during the working of the bucket rod.

目前油田矿场主要根据井斜角来确定防偏磨扶正器下入位置，实际上方位角变化也能导致偏磨，抽油杆杆柱在运动过程中直井段和稳斜段也会产生偏磨。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。