变质

To meet the needs of in-situ study of SEI film, the lithium ion simulate battery with optical quartz window was designed and made.

由于 SEI 膜非常薄，并且接触空气后会很快变质，因此 SEI 膜的原位研究具有特别重要的意义。

SHRIMP U-Pb concordia ages of the cores of rounded zircons are 620 and 219 Ma, suggesting that the parental magma for the quartz diorite porphyry may have been derived from partial melting of basement materials of the South China block that had been modified by ultrahigh-pressure metamorphism.

具有细微震荡环带岩浆锆石的SHRIMP U-Pb年龄(117.7±1.6 Ma)显示该石英闪长斑岩体的形成时间为早白垩世；浑圆状锆石核部SHRIMP U-Pb谐和年龄为620 Ma和219 Ma，这表明该石英闪长斑岩的母岩浆可能起源于经历了超高压变质作用改造的华南地块基底物质的部分熔融。

The gold ore deposits and prospects occur within the nearly NW-striking faults in the carbonate rocks of the cover of the Yangtze block,Proterozoic metamorphosed quartz diorite of basement of Yangtze block and Mesozoic quartz porphyry in western Shimian, Sichuan Province.

四川石棉西部地区金矿床和矿点分布在扬子地块盖层碳酸盐岩和基底元古宙变质闪长岩以及中生代石英斑岩中的北北西和北北东走向断裂中。

The quartz vein has dication significances for the tectono-thermal events, movements of fault and types of coal metamorphism.

石英脉对该区构造热事件、深大断裂活动、煤变质类型等有一定指示意义。

The advantage of vacuum oven is that lower drying temperatures are used which decrease the deterioration of the dry matter.

真空烘箱法的优点为采用较低的烘干温度，从而减少干物质的变质。

By means of analysis of microstructure and measuring of impact toughness and hardness,and verification by real manufacture and application,the Si-Mn steel with rare earth and boron complex modification is better than traditional high Mn steel to produce tractor track guard in the wide range of temperature and the low cost and long life.

通过微观组织分析、冲击韧度、硬度等力学性能的测定、实际生产和装车试验证实，采用稀土-硼复合变质的SiMn钢代替传统高锰钢生产拖拉机履带板，不仅使用温度范围广，而且成本低，寿命高，具有明显的经济效益和社会效益。

The structure of the affected surface layer caused by grinding and the hardness change are analysed.

对磨削造成的表面变质层的组织形态及硬度变化等进行了分析研究。

Cutting experiments in tools factory show that the lathe tools and milling cutters made of the modified cast high speed steel can achieve the qualified standards for wrought high speed steel tools according to the Chinese National Standards, and the useful life of the modified cast high speed steel lathe tools is increased three times longer than that of the forged lathe tools.

变质M2铸造高速钢车刀和立铣刀在工厂的切削实验与应用表明：这两种刀具均达到国家规定的锻造高速钢刀具合格品标准，且车刀的耐用度较锻造车刀提高3倍以上。

The project for passenger cars with engine piston aluminum alloy, alloy components through optimal design, rare earth - Modification of phosphorus salt air and bottom melting slabs, metal-cast aluminum piston at the end of riser feeding process, heat treatment process parameters of choice , Nano-Detroit surface coating materials, such as key technology research and development with a density of small, light weight, thermal conductivity, and coefficient of thermal expansion of small, high temperature and have sufficient strength, wear and corrosion resistance , Aluminum piston size and good stability, its integrated technical indicators have reached the leading domestic level.

项目介绍（简介、技术特点、应用范围、市场前景、效益分析及对投资者要求。500字以内）本项目针对乘用车发动机用铝合金活塞，通过合金成分优化设计、稀土－磷盐复合变质处理与炉底透气砖熔炼技术、铝活塞金属型铸造底冒口补缩工艺、热处理工艺参数的选择、纳米级活塞表面涂层材料等关键技术的研究，开发出具有密度小、质量轻、热传导性好、热膨胀系数小，并具有足够的高温强度、耐磨和耐蚀性能、尺寸稳定性好的铝合金活塞，其综合技术指标达到国内领先水平。

The oxidation- reduction potential of a food also influences spoilage.

食品的氧化还原电势也影响食品的变质。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。