steel gray

1. The equipments can cast aluminum alloy, stainless steel, copper, ductile iron, gray iron, vermicular iron and different conventional metal parts.
   并且可以浇铸：铝合金、不锈钢、铜、球铁、灰铁、蠕铁等不同常规金属件。
2. Dimension, Shape Tolerances Comparison for Hot-rolled Steel Plates and Strips between Foreign and Chinese Standards The use of standard gray scale and color targets in the scene is required for correct camera exposure and positive printing.
   国内外热轧钢板和钢带尺寸、外形允许偏差标准对比在景物中设置标准灰阶标板和彩色靶标，其目的是为了确定正确的曝光量和正片印制。
3. Ductile iron has the strength properties of steel using similar casting techniques to that of gray iron. very small dark grayish brown mouse resembling a house mouse; of Texas and Mexico.
   在与灰口铁相似的铸造技术下，球墨铸铁具有钢一样的强度。形似家鼠非常小的深灰色鼠；产于得克萨斯和墨西哥。
4. Characteristics of Independence on Image Gray Level in Pattern Matching Algorithm and its Application Ductile iron has the strength properties of steel using similar casting techniques to that of gray iron.
   标准互相关的灰度无关特性及其应用在与灰口铁相似的铸造技术下，球墨铸铁具有钢一样的强度。
5. A steel gray metallic mineral ( a sulphide of lead and antimony).
   一种蓝灰色金属矿物（铅和锑的硫化物）。
6. Study on the Comprehensive Evaluation about the Competitiveness of Iron and Steel Enterprise Based on Multi-level Fuzzy Gray System
   基于模糊灰色系统的钢铁企业竞争力综合评价研究
7. Effect of Adding Steel Scrap into Liquid Iron in Ladle on the Tensile Strength and Microstructures of Gray Iron
   铁液中加废钢对灰铸铁组织和强度的影响
8. It is effective to predict the corrosion resistance of carbon steel treated by surface alloying by use of gray model.
   用灰色理论对经表面合金化处理后的碳钢进行耐腐蚀性能预测；
9. Prediction and analysis of seawater corrosion of carbon steel and low alloy steels by gray theory
   灰色理论对碳钢、低合金钢海水腐蚀的预测和分析
10. According to the properties of steel images, this paper presents an automatic thresholding method of edge detection based on the properties of gray statistics and combined with texture detection and clustering analysis, automatic defect segmentation of steel images is successfully implemented.
    文章根据带钢缺陷图像的特点，提出了基于灰度统计特性的图像边缘检测方法，结合纹理检测、聚类分析，实现了对带钢缺陷图像的自动阈值分割。
11. Two amendments for the generalized twin shear stress strength theory were proposed. Then the a-mended strength criteria could has been used in some metals, such as mild steel 、 copper 、 aluminium and gray cast iron.
    对广义双剪应力强度理论进行两点修正，修正后的强度条件可以统一适用于软钢、铜、铝及灰铸铁等材料。
12. A brief survey is given about the distinctive feature and modelling process of the theory of gray system. Tests are carried out on prestressing losses of the steel strands at different high temperatures, thus establishing a gray prediction model by the obtained testing data.
    简述了灰色理论的特点和建模过程，以钢绞线为例用不同的高温进行预应力损失的试验，由获得的试验数据建立了灰色预测模型。
13. The corrosion of four kinds of iron and steel in Qinghai salt lake brine is tested. The morphology and composition of covering and corrosion products formed on the gray cast iron surface are determined.
    在青海盐湖卤水中试验了四种钢铁材料的腐蚀，测定了灰口铸铁表面形成的覆盖物和腐蚀产物的形貌、组成。
14. The cleaned metal surfaces are displayed steel gray. The tight protective film is formed on metal surface. The good cleaning effect has been obtained.
    清洗后对汽包、水冷壁管检查表明，金属表面腐蚀产物和防腐漆被清洗干净，表面呈钢灰色，形成了致密的保护膜，清洗效果良好，达到了预期目的。
15. The influence of scrap steel addition amount on structures and properties of nickel austenite gray iron was investigated.
    研究了废钢加入量对镍奥氏体灰铸铁组织和性能的影响。
16. Finally, according to the proposed iron and steel enterprises spare parts supplier selection index system, the use of examples, we demonstrate the improved gray correlation degree method.
    在最后根据所提出的钢铁企业备件供应商选择的指标体系，运用改进的灰色关联度方法进行了实例论证。
17. At present, when milling hardened steel, gray cast iron and other difficult-to-cut materials, the being used cemented carbide face milling cutter is low in speed and the processing quality needs to be improved.
    而目前铣削淬硬钢、灰铸铁等难加工材料所用的硬质合金面铣刀普遍存在铣削速度低、加工质量有待提高的问题。
18. To test the internal defects of the steel specimen, and then to do a median filtering, regional enhancing, gray image changed to color image operation and so on.
    探测到了钢材料试件内部的缺陷，并对其做了中值滤波、区域增强、灰度图变彩色图等操作。
19. The dissertation studies the image detection methods of the surface scratch defect of steel plate, and uses the methods of image gray processing, image filtering, image enhancement, edge detection and morphological image processing to extract the scratch defect and to measures its length.
    研究了钢板表面划痕缺陷图像检测方法，并通过图像灰度化处理、图像滤波、图像增强、边缘检测以及图像的数学形态学处理，最终实现钢板表面划痕缺陷的提取和划痕长度的测量。

noun

1. slightly purplish or bluish dark grey

   Synonym:    iron bluesteel greyDavy's greyDavy's gray