磨损的

This may be assessed by means of the aggregate abrasion value test.

这可以通过磨损的价值测试。

He could clearly smell Joe's worn off after-shave.

他可以清楚地走开闻乔磨损的在-之后修面。

An abrasive system for use in high cleaning, controlled abrasivity dentifrice compositions comprises at least one abrasive silica which may be selected from a first silica having a Radioactive Dental Abrasion in the range 30 to 150 and a second silica an RDA in the range 100 to 300, and a crystalline aluminosilicate having an average crystallite size below 0.2 mu m.

一种用于高度清洁、控制磨损的牙膏组合物的磨料体系，包括可选自放射性牙齿磨损在30-150范围内的第一二氧化硅和RDA在100-300范围内的第二二氧化硅中的至少一种磨料二氧化硅，和平均微晶尺寸低于0.2μm的结晶铝硅酸盐。

Check, repair or replace the worn parts and components, such as bearing pedestal and drive shaft.

检查、修理或更换磨损的零件和部件，如：轴承座、传动轴等。

Electrolyzed or plated metal can flake off or wear off on bracelets depending on how careful you are.

电解或电镀金属罐脱落或磨损的手镯取决於你如何小心。

The friction coefficient and wear coefficient of resin depended on the content of hardener and independent the content of active dilution.

实验中发现，线性酚醛环氧树脂固化物的摩擦磨损性能与固化剂的结构和用量紧密相关，低于理论计算用量的固化剂与线性酚醛环氧树脂生成的固化物具有更低的摩擦系数和更强的抵抗磨损的能力。

In this paper, the sorting of wear, the mechanics of wear particle formed and the characteristics of wear particles are introduced, and morphology characteristics parameter of wear particle are determined, which is particle brim digital feature. Based on image characters, after pre-process, section and extracting of contour parameter of wear particle using image process technique, four shape character parameters are extracted by fourier series expansion. After analyzing fundamental principle and shortcomings of neural network, current BP algorithm is improved in output optimization, network linearization implication optimization and adding momentum, and then astringe speed of BP algorithm.

本文介绍了磨损的分类以及磨粒的生成机理、磨粒的形态特征，应用摩擦学系统分析的观点，确定磨粒边缘数字特征为磨粒的识别特征参数；根据磨粒图像的特征，利用计算机图像处理技术对磨粒图像进行预处理、分割、轮廓参数的提取，采用傅立叶级数展开式提取磨粒四个形状特征参数：圆形度、散射度、凹度、细长度；针对 BP(Back-Propagation)神经网络收敛速度慢的特点，对现行的 BP 算法进行改进，并通过实验验证改进后的网络收敛速度快；研究设计了磨粒图像采集系统；利用 BP 算法建立磨损磨粒自动识别算法模型 AWPRM(Auto Wear Particle Recognition Model)。

On the test machine of glue,using three groups of 45 steel-40Cr disc test examples with clifferent hardness, the gear abrasion simulant experiment has been done about addendum, dedendum dividing point of single and double engagemenf area.

用三组不同硬度的45钢-40Cr的圆盘试件，在圆盘滚子实验机上，对渐开线齿轮的齿顶、齿根、单双齿啮合分界点四点进行齿轮磨损的模拟实验。分析了材料副的硬度和配对试件的绝对滑差速度对磨损的影响。

Below 300 300 to 1200 Ordinary Portland or Portland blastfurnace Ordinary Portland or Portland blastfurnace Sulphate resisting Supersulphated Sulphate resisting or Supersulphated High alumina Sulphate resisting or Supersulphated High alumina Sulphate resisting or Supersulphated with adequate protective coating High alumina Minimum cement content (kg m-3) Type of cement Maximum size of aggregate 37.5 240 290 240 270 290 290 330 330 330 330 19.0 280 330 280 310 330 330 370 340 370 370 9.5 330 380 330 360 380 380 420 410 420 420 0.55 0.50 0.55 0.50 0.50 0.45 0.45 0.40 0.45 0.35 Maximum water-cement ratio 0.5 to 1.0 1.0 to 2.0 1200 to 2500 2500 to 5000 Over 2.0 Over 5000 Wear

这些气 穴通常由具有格外高能量的水蒸气所填充，与混凝土表面的反复接触导致形成凹陷和孔洞，即气蚀。既然高质混凝土也不能抵抗这种劣化，因此最好的补救是通过制造平滑水流来消除气蚀。在所有必须的地方，关键的面上衬以高抗气蚀性的材料。通常，混凝土抗腐蚀和磨损的能力随强度增加而提高。采用硬韧的集料可改善混凝土的抗磨损性。

Inquires into the EHL calculation for planetary gear transmission in scraper conveyer,and its calculation formula is derived.

探讨了刮板输送机中行星齿轮传动的弹性流体动力润滑计算，并推导出相应的计算公式；分析了传动润滑状态与磨损的关系，为刮板输送机中行星齿轮传动的耐磨损设计提供了必要的理论依据。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。