This article mainly introduces the method that adopts gear caliper to measure the median diameter normal tooth thickness of double-line trapezoidal thread.
本文主要介绍了采用齿轮卡尺测量双线梯形螺纹中径法向齿厚的方法,同时也测量出螺距产生的误差。
This has enabled designers to continue with the trend of reducing the steering wheel size, with the typical item now being about half the diameter of that of a normal road car.
这也使得设计师可以进一步延续减少方向盘尺寸的趋势,目前标准的赛车方向盘直径只有普通道路车辆方向盘的一半大小。
Results The acellular dermal matrix with normal colloid diameter and structure was made in this way, no cells in it.
结果:本方法制备的脱细胞真皮基质的胶原直径及排列结构均正常,无任何细胞成分。
Each warp wire and each weft wire passes over and under the next two adjacent complementary wires, as in a normal Twill Weave, except the warp wires are larger in diameter than the weft wires.
每个经纱线和每纬丝通过并在接下来的两个相邻的互补线,在一个正常的斜纹的,除非经线丝直径大于纬丝。
Ratio of height and diameter, crown and root, of root cutting seedling were strong with more fibrous root, and higher rate of fungus root infection than untreated normal field seedlings.
切根苗的高径比与冠根比均在壮苗的适宜范围内,须根数量多,菌根感染率高,均明显优于未切根的普通大田亩,这将有效地提高造林质量。
The number distribution of diameter grade obeys normal distribution.
雷竹株数按径阶分布服从正态分布。
In order to ensure normal operation of rotary kiln, it's necessary to test its operating condition Periodically, tire and wheel diameter measurement is an important part of the testing work.
为了保证回转窑正常运行,需要定期对其进行检测工作,轮带和托轮直径的测量是检测工作的重要部分。
Pre-splitting blasting experiments were carried out to obtain normal pre-splitting blasting parameters such as hole diameter, hole space, gun- powder charge line density, and uncoupling factor.
通过大量的预裂爆破试验,得出了适用于该边坡的炮孔直径、炮孔间距、线装药密度、不耦合系数等一系列常规预裂爆破参数。
It has considerable relation to the diameter of pulley groove that the wire rope can or can't work all right and reach normal service life.
钢丝绳能否顺利工作并达到正常使用寿命,与滑轮绳槽直径有很大关系。
Objective To evaluate the MRA by measuring the diameter of the stenosis artery and the contralateral normal vertebral artery with unilateral stenosis.
目的探索椎动脉单侧狭窄健侧椎动脉代偿时的MRA直径。
Objective to investigate anatomic characteristics of diameter of atrial septum of in normal children and children with secundum atrial septal defects.
目的观察儿童时期房间隔直径及其继发孔房间隔缺损患儿的房间隔直径的解剖特点。
The influence of pneumatic pressure, sealed pressure and axial diameter on normal contact stress was discussed.
讨论了充气压力、密封压力与充气压力比、轴径对法向接触应力的影响。
Results: Comparing with the self control group, the length of axis, cornea diameter and fundus were normal.
结果:实验组与自身对照组比较,眼轴长度、角膜直径、眼底形态均无差异。
Results the normal range of the diameter and number of pulmonary small vessels in each slice were obtained.
结果得出各组不同层面、区域肺小血管横径和计数的正常值范围。
The stand diameter distribution of juvenile stand appears an inversed "J"form, and that of the half mature forest approximately a normal distribution.
林分直径分布,幼龄林呈倒“J”型,壮龄林近似于正态分布;
Diameter distribution of tree stratum reveals truncated normal distribution.
乔木层株数随胸径分布呈现截尾正态分布。
Objective To observe normal citizen's LA's internal diameter and volume by two dimensional echocardiography.
目的用二维超声研究正常人左心房内径、容量。
Results: the mean vessel density and diameter of port wine stain lesion is statistically more than those of normal skin.
结果:未治疗的鲜红斑痣皮损处与同一患者正常皮肤比较,平均血管密度和平均血管直径均较大,有统计学差异。
This paper has given a pithy analytic Proof of "principal diameter circle"Theorem. And on the basis of the thought of the theorem. We obtain two theorem about ellipse normal.
本文对主经圆定理给出了一个简练的解析证明,并且在此定理的思想基础上,得到了椭圆上法线的两个性质定理。
The results showed that under normal agricultural practice the inoculation moved up the date of emergence and increased the plant high, dry weight, stem diameter, leaf surface and 1000 grain weight.
结果表明,在常规田间管理情况下,能提早出苗期,使植株增高、增重、增粗,扩大叶面积和增加千粒重。
The results showed that under normal agricultural practice the inoculation moved up the date of emergence and increased the plant high, dry weight, stem diameter, leaf surface and 1000 grain weight.
结果表明,在常规田间管理情况下,能提早出苗期,使植株增高、增重、增粗,扩大叶面积和增加千粒重。
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