查询词典 aluminium family

The result shows that the jet propulsion of aluminium-water reaction engine meets the design requirement for supercavitating torpedo propulsion .

研究表明，采用铝水反应发动机的喷射推进系统可以满足超空泡鱼雷推进系统的设计要求。

When the excessive aluminium concentration reaches certain extent, SDS and aluminum can form aqueous complex, which results in the redissolution of the precipitates and finally the solution becomes clear again.

当铝浓度过量到一定程度后，SDS与Al可形成溶液络合物，使沉淀逐渐溶解，溶液最终恢复澄清。

The mechanism of the decomposition of aluminium titanate in reductive atmosphere is unclear and needs further investigation.

Al2TiO5在还原气氛下的分解机理上不明确，需要进一步的研究。

The main research content is: Using the experimental of cutting force and roughness of high speed face milling cutter and high speed end milling cutter mill aluminium alloy and cast iron, analyze the rules of the high speed milling velocity, feed rate per tooth, milling depth and milling width to high speed processing. Use multiple linear regression method, set up surface roughness and the cutting force fluctuation models. Certify the regression model notability, and provide a reliable guarantee for the accuracy of function optimization. Based on the targets of productivity, manufacturing cost, surface roughness, cutting force fluctuation optimization model, according to research of the high speed milling parameters selecting restrict of work piece, machine, tool and safety, set up high speed milling parameters multi-object optimization system.

本文以已有的高速铣削机理及高速刀具技术研究成果为基础，结合高速铣削试验，进行了基于遗传算法的高速铣削参数优化研究与系统开发，主要的研究内容为：通过高速面铣刀和高速立铣刀加工铝合金和铸铁等材料的切削力和表面粗糙度试验，进行了铣削速度、每齿进给量、铣削深度和铣削宽度对高速铣削加工过程影响的研究；采用多元线形回归的方法，建立了切削力及其振幅和表面粗糙度模型，并对模型的显著性进行验证，为高速铣削参数优化模型的建立奠定了基础。

Research γ- dissolve of can acerbity to judging aluminium calcic slag gives the resolvability of 2cao.sio2 whether are there reaction happening and alumina loss 2 times to have important sense in the process.

梗概： 探究γ-2cao.sio2的分解性能对于判定铝酸钙炉渣溶出过程中是否有二次反应发生和氧化铝损失具有重要意义。

In the experiments, the accelerometer and the microphone are used respectively to measure the acceleration on the panel and the sound pressure in the cavity. Piezoelectric ceramics Transducer is used as the control source to control reverberant sound field transmission through a simply supported rectangular aluminium panel into a concrete cavity.

实验中采用加速度计和话筒作为传感器拾取板振动的加速度和闭空间内的声压信号，用压电陶瓷片作为振动控制源来控制混响声场通过简支矩形铝板向混凝土闭空间的声传入。

The effect of reverse current is not just to clean away the oxidic film on the surface of aluminium plates, and what is more, to heat the workpiece.

反极性电流的作用不只是清理工件正面的氧化膜，其更重要的作用是加热工件。

Rom forging to rolling, from sheet metal to titanium Simufact.forming has been developed to support in all forming applications, independent from process temperature, machine used or material processed: closed die forging or extrusion, drawing, upsetting, bending or free forging, flat rolling, profile rolling or tumbling cold, hot or semi-hot, mechanical press, hammer or screw press, rolling machine or orbital forging even coupled processes and spring-controlled tools, simple low-alloyed or stainless steel , aluminium or non-ferrous metal, titanium or nickel based alloys, massive or sheets, material flow or dieload analysis Simufact.forming is the integrated simulation environment for the optimization of all forming processes.

orming已经成功研制可支持目前所有制造业的软件应用程序，并可独立的仿真金属温度，机体使用情况或材料的处理：封闭模锻或挤压，钢绘，镦，弯曲或自由锻造，轧制，型材辊压或翻滚-冷，热或半热，机械压力机，锤或螺旋压力机，辗机或轨道锻造-更可加上流程以及spring-controlled工具，简单的低合金或不锈钢，铝或非铁金属，钛镍合金，大规模工程或床单工程，物质流或dieload分析。

Closed die forging or extrusion, drawing, upsetting, bending or free forging, flat rolling, profile rolling or tumbling cold, hot or semi-hot, mechanical press, hammer or screw press, rolling machine or orbital forging even coupled processes and spring-controlled tools, simple low-alloyed or stainless steel , aluminium or non-ferrous metal, titanium or nickel based alloys, massive or sheets, material flow or dieload analysis

Forming已经成功研制可支持目前所有制造业的软件应用程序，并可独立的仿真金属温度，机体使用情况或材料的处理：封闭模锻或挤压，钢绘，镦，弯曲或自由锻造，轧制，型材辊压或翻滚-冷，热或半热，机械压力机，锤或螺旋压力机，辗机或轨道锻造-更可加上流程以及spring-controlled工具，简单的低合金或不锈钢，铝或非铁金属，钛镍合金，大规模工程或床单工程，物质流或dieload分析。

The optimal combination of the coupling sample characteristic factors are:hard aluminium alloy LY12 as the substrate, the morphology of the nonsmooth units is the regularly distributed rotundity pit with diameter 3 mm and spacing 6 mm, the coating is AL2O3+13%TiO2 with thickness of 100 μm.

耦合试样特征因子最优组合为以LY12硬铝合金为基底材料，非光滑单元形态的形状为圆形凹坑、直径为3 mm，单元间距为6 mm的规则分布，表面涂层（Al2O3+13%TiO2）厚度为100 μm。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。