角形

The spiral angle of graduated circle was rough estimated by measuring the addendum circle diameter and modified on milling machine.

介绍了精确测绘单一斜齿圆柱齿轮齿形参数的简便方法，即测量公法线长度计算基圆齿距从而查表确定模数和压力角；测量齿顶圆直径估算分度圆螺旋角，用分度头在铣床上修正分度圆螺旋角，并进行误差分析。

The difference between the degrees of anteversion angle at the two sides was considered the rotational deformity of the femur shaft after the nailing.RESULTS:① The real AV angle and NH angle was nearly the same (ranged 0°-5°, mean 2°) displayed by the image intersifier.

结果：①股骨标本NH角与AV角数值测量结果：C形臂X射线机测量的NH角与裸骨测量所得的真实前倾角高度一致（0°~5°，平均2°）。

In conclusion: Thirteen types of antennal sensilla were find in eight species of Acrididae:trichoid sensilla, chaetic sensilla, basiconic sensilla, coeloconicsensilla, cavity sensilla, Bohm bristles, sporangium sensilla.

实验结果表明：剑角蝗科8种蝗虫的触角有13种感受器类型：毛形感受器、刺形感受器、锥形感受器、腔锥形感受器、腔形感受器、Bohm氏鬃毛、芽孢形感受器。

This factory's main products cre:double-spoke hand mheels,five-pointed-star-shaped knobs,arrow-shped handles,Tshaped handies,ect.,more than thity series,over two hundred special rubbr pats,nylonplasdic parts,it is also possible for this facty to produce and make all kinds of non-atsndard operating parts and special-shapediai-shpepedsealing parts according to the requireements of the customers.

弓行拉手、内波纹手轮、背波纹手轮、圆轮缘手轮、双幅条手轮、双柄手轮、小波纹手轮、镀铬手轮、手柄球、长手柄套、转动手柄、可折手柄、可调位手柄、方形拉手、椭圆拉手、星形手柄、碟形手柄、三角箭形把手、椭圆手柄套、铣床手轮、GB4141.23波纹手轮、小手轮、平面手轮、带可折手柄满幅手轮、表盘满幅手轮、把手、十字把手、压花把手、通孔把手、定位把手、T形把手、直纹把手、捏手、三棱把手、偏转旋钮、手柄套、小转动手柄、锥柱手柄、球头手柄、单柄对重手柄、双柄对重手柄、外方卡盘扳手、摇手柄、手柄座、锁紧手柄座、圆盘手柄座、4501分度盘、4502大把手、586刻度盘、工作灯、手柄杆、压配式油标、旋入式六角圆形油标、长型油标、圆形长拉手、等三十多种系列，二百多种规格，满足不同用户的需要，生产制造各种机械封件，特种橡胶件，尼龙塑料件，也可根据用户需要，生产制造各种非标操作件，异形密封件。

Leaf blade ovate to narrowly elliptic-ovate, base sagittate or hastate to shallowly cordate, basal lobes bluntly angular

卵形的叶片卵形到狭椭圆形，基部或戟形到浅心形，基部裂片钝的角 50 D。 exalata 无翅参薯

In order to find which hand-figures could provide higher propulsive efficiency for swim ming,two different 3D unstructured grid models of a native woman swim mer s hand and forearm were generated based on two hand-figures-fingers splaying and fingers holding together.

针对采用何种手形游泳能产生较高的推进效率，运用计算流体力学(CFD，Computational Fluid Dynamics)方法，建立了国内某女运动员手掌和前臂在五指并拢和五指分开两种手形的三维非结构网格模型；计算了90°攻角划水时两种不同手形的手掌和前臂在不同来流速度下的推进阻力、推进升力及其系数值，依据计算结果对手周围的流场进行了分析，研究了不同手形对游泳推进效率的影响。

In order to determine further the profile of scrolls,the structural characteristics of superchargers with double-sided scrolls were analyzed and the principle of determining initial involute angle s was presented on the conditions of definite initial involute angle s,radius of base circle,and depth of scrolls.

在渐开线起始角、基圆半径和涡旋齿深度确定的条件下，为进一步确定涡旋齿的齿形，对双侧涡旋增压器的结构特征进行分析，提出始端渐开角的确定原则。通过吸气腔和排气腔的容积计算，结合回转角与渐开角的关系，给出涡旋齿始端和终端渐开角的计算方法。结果表明：该计算方法能较准确地确定涡旋盘的结构尺寸，从而可估算出整个压气机的尺寸是否满足汽车上有限的安装空间

So one more drill point geometric parameter is needed, such as heel clearance angle, chisel edge clearance angle.

为了获得唯一的后刀面廓形，必须增加一个辅助参数。可供选择的补充参数有尾隙角、横刃后角、周边后角、切深后角等。

According to the design principle and basic characteristic of the gear shaper cutter , its rake angle and top face are adjusted, and the cutter blade projection on the datum plane is modified appropriately to finish the profile modification of K-teeth in gear shaper cutting process.

针对插齿加工过程中K形齿的修形问题，根据插齿刀的设计原理和基本特点，提出了以改变插齿刀的前角和前刀面形状来改变切削刃在其基面上的投影，达到在插齿加工中对齿形的修形的目的。

Main Products: 5056, 5052, 5050,6061-T3 ,6061-T5 ,6061-T6 ,6063-T3 ,6063-T5 ,6063-T6, LF10, LY11, LY12, 1100,1060,1070,5356, 7005,7009 , 7075, 2011,2017,2024,3003,5154,5005,6011,6082,7003, such as grade pipe (pipe, square tubes, hexagonal tubes, special-shaped tubes), aluminum alloy profiles, bars (round bars, square bars , hexagonal rods, rod shaped), wire (alloy wire, blunt Wire, telecommunications, cable wire, needle wire wool, zipper flat), forgings, industrial profiles such as aluminum alloy, aluminum wire rod is an industry leader.

主要产品：5056 、5052、 5050、6061-T3、6061-T5、6061-T6、6063-T3、6063-T5、6063-T6 、LF10 、LY11、LY12、1100、1060、1070、5356 、7005，7009，7075， 2011、2017、2024、3003、5154、5005、6011、6082、7003等牌号管材（圆管、方管、六角管、异形管）、铝合金型材、棒材（圆棒、方棒、六角棒、异形棒）、线材（合金丝、钝铝丝、电信电缆线丝、毛线针丝、拉链扁丝）、锻件、工业用铝合金型材等，铝焊条丝处于行业领先地位。

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