measurement of calcium in the silicon calcium alloy

by trial the xrf analysis method for determination of silicon and calcium in silicon-calcium alloy is worked out.

通过试验研究，拟定了硅钙合金中硅和钙的XRF分析法。

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extra slim triangular taper saw file

细斜三角锯锉

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industry: steel file; saw file; wood file; other file;

所属行业：钢锉；锯锉；木工锉；其他锉；；

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industry: wood file; needle files; shaped file; steel file; saw file;

所属行业：木工锉；什锦锉；异形锉；钢锉；锯锉；；

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industry: steel file; saw file; shaped file; needle files; wood file; other file;

所属行业：钢锉；锯锉；异形锉；什锦锉；木工锉；其他锉；；

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industry: steel file; saw file; shaped file; needle files; wood file; single-head wrench;

所属行业：钢锉；锯锉；异形锉；什锦锉；木工锉；单头呆扳手；；

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industry: machine saw blade; grinding, cutting pieces; other saws; saw file; diamond tools;

所属行业：机用锯片；磨片、切割片；其他锯；锯锉；金刚石工具；；

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industry: hand saw, woodworking saw; saw file; gardening scissors; other tools, fixtures; putty knife; wipe clay;

所属行业：手锯、木工锯；锯锉；园艺剪；其他刀具、夹具；油灰刀；抹泥板；；

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industry: motorcycle with (with) pieces; other general hardware; combination wrench; combination screwdriver; saw file; portfolio tools;

所属行业：摩托车配（附）件；其他通用五金配件；组合扳手；组合螺丝刀；锯锉；组合工具；；

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d 2 verify the boot block checksum . system will hang here if checksum is bad.

检验启动模块的校验码,如果校验出错,则系统挂起.

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crc check code algorithm, take the matrix transposition algorithm, frequently used in network communications.

CRC校验码算法, 采取矩阵移位算法, 网络通讯中经常使用.

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broad group has developed a miniature device for measuring air pollution that can fit into mobile phones.

远大集团发明了一种能够装在手机上的小型设备用于测量空气污染。

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the louisiana tech researchers will subject themselves to extreme conditions in order to conduct sensitive testing of the miniature device.

为了对这微型仪器进行敏感的测试，理工大学的研究员将会亲历宇宙航行的极端条件。

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origin of longitude and latitude

经纬度原点

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impact of helicopter pilot control on man-machine system

直升机驾驶员参与操纵对人-机系统影响分析

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solenoid operated pilot control valve

电磁操纵先导控制阀

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modeling and simulation of hydraulic cylinder position control system based on high-speed on-off valve pilot control

高速开关阀先导控制的液压缸位置控制系统建模与仿真研究

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intrinsically safe pilot control circuits

本质安全型电子先导控制电路

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pilot control circuit filter element replacement

更换先导控制电路过滤器元件

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auto-pilot control system for a model helicopter

模型直升机自动飞行控制系统

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