查询词典 hardness

Soil ecological degradation can be defined as the process and phenomenon of a series of deterioration of soil ecological environment such as structural destruction and functional recession of soil ecosystem, decrease of soil biodiversity and productivity, dcsertification, drought, hardness, acidification and salination of soils, deficit and unbalance of soil nutrients, and loss of soil and water, resulting from human activities and adverse natural environmental conditions.

土壤生态退化是指由于人类活动及恶劣的自然环境条件作用或二者共同作用下造成的土壤生态系统结构破坏、系统功能衰退、土壤生物多样性减少、土壤生产力下降以及土壤荒漠化、干旱化、板结化、酸化、盐碱化和养分亏缺与失衡等一系列土壤生态环境恶化的过程和现象。

Therefore, the dissertation was aimed at the preparation of an organic silicone rubber material, which exhibits higher hardness (ShoreA 70-90), outstanding elasticity and can be used long-timely under 200-250℃, to meet the particular requirements of the electric aluminum hot stamping technics.

本论文的目的在于，研制一种具有较高硬度(ShoreA 70~90)和高回弹性，并能在200～250℃下长期使用的有机硅橡胶材料，以满足电化铝烫印工艺的特殊要求。论文的主要工作有以下几方面。

Tensile strength,yield strength and elongation of the alloys decrease and hardness increases as silico...

随Si量的增多，合金的抗拉强度、屈服强度和伸长率下降，硬度提高。

In case of any split-off, sinkhead or serious bending found on a rebar in cutting, it should be cut away. If the hardness of a certain rebar is found quite different from what it should be, the worker shall immediately report to the responsible engineer.

g。 在切断过程中，如发现钢筋有劈裂、缩头或严重的弯头等必须切除，如发现钢筋的硬度与该钢种有较大出入时应及时反映给专责工程师。

Refraction screen printing requirements for operators on high-quality network plate, squeege hardness, angle and pressure, as well as the performance of UV refraction ink, a sense of how to be able to appear in a production process with the various problems to take similar measures.

折光网印要求操作人员对高质量网版的制作、刮板的硬度、角度和压力，以及UV折光油墨的性能等都要有所了解，以便能够针对生产过程中出现的各种问题采取相应的对策。

7Building net margin also known as the screen, based on the screen bottom and substrate the vertical distance between the surface, which is the screen business card printing and membership card in the making of the main five variables (squeege hardness, network and business card printing and membership card production speed, blowing pressure, ink and putting it in).

丝印网距也叫网版隔断，是丝网印版底面与承印物暗不天之间的笔屈间隔，它是丝网制卡和会员卡制作洋次给的5个不恒度(刮板硬度，网距、制卡和会员卡制作速率、刮不不不张辛、油不朱的适性)之一。

Laser surface cladding of stellite and stellite-SiC composite deposits for enhanced hardness and wear .

钛合金表面激光熔覆NiCrBSi TiC复合涂层的组织和摩擦磨损性能。

The cutting speed can be adjusted by stepless frequency conversion to suit materials in different hardness.

切削速度可以无级变频调速，以适应不同硬度材料加工。

To guarantee high quality,BRIGHTWAY has brought in a large batch of the latest advanced equipment from around the world such as omnipotent material tester,M/I index tester,heat deflection temperature tester,RoHS test equipment,aging property tester etc.All of the production processes are under strict control and supervision ofour experienced enginners. Density,flow index,hardness,tensile-strength,tensile stetch, bending strength, flexural modulus,impact strenght, mould shrinkage factor, heat deflection temperature, fibre glass contents, water absorption, combustibility will be tested strictly by the professional engineers.

为了确保产品的高品质，百莱威引进了大量国际新一代的先进设备，如万能材料试验机、M/I指数测定仪、热变形温度测定仪、RoHs检测设备、耐老化试验设备等等，并且所有的生产过程都受到了严格的质量控制，由经验丰富的专业工程师进行了密度、流动指数、硬度、拉伸强度、伸长率、弯曲强度、冲击强度、模收缩率、热变形温度、玻纤含量、吸水率、燃烧性能等十多项苛刻的评审和检测。

The hardness of the mixed gels increased with salts concentration, while the protein solubility, water-holding capacity and sulphydryl group content had a decreased trend. The microstructure of mixed gels showed a porous network and particulates structures by addition of NaCl and CaCl2 respectively.

结果表明：随着pH的增加，凝胶的硬度和溶解度减小，添加淀粉进一步降低了混合凝胶的溶解度；盐浓度的增加使混合凝胶硬度增加，而蛋白溶解度、持水力和巯基含量则呈下降趋势；添加NaCl 和CaCl2的混合凝胶分别呈现出多孔网状和颗粒状结构。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。