查询词典 arc-weld

There arc some questions during the instruction of the curriculum of the Chemistry Didactics such as theory depart from practice and so the teaching method of cases is used in the field.

为了解决这些问题，提高《化学教学论》的教学质量，案例教学法被推荐引入该课程的教学中。

And the dielectric strength recovery properties of different profile and dimension of arc nozzle were compared.

这对SF6高压断路器喷口的优化设计及灭弧室小型化设计具有重要的实际意义。

FPGA ; digital control ; digital differential analyzer ; arc interpolation

FPGA ；数控；数字积分法；圆弧插补

The Fe57-xCo18Nb4Al2Si4B15Smx(x=0-3) amorphous alloy ribbons were prepared byvacuum arc melting and melt spinning. The influences of Sm addition on the glass forming ability, thermal stability, crystallization behavior and magnetic properties of Fe57-xCo18Nb4Al2Si4B15Smx amorphous alloys were studied by X-ray diffraction, differential thermal analyzer and vibration sample magnetometer survey.

摘 要：采用真空电弧熔炼和真空熔融甩带法制备Fe57-xCo18Nb4Al2Si4B15Smx(x=0~3)非晶合金，借助X射线衍射、差热分析以及振动样品磁强计等手段研究稀土元素Sm对制备合金的非晶形成能力、非晶热稳定性、非晶晶化行为以及磁性能的影响。

Which is called the arc differential of the curve.

设函数在区间内具有连续导数，且曲线上点的弧长为，则弧长的微分是。

Application of FLAC and numerical differential to surface deformation observation;2. The formulas solving numerical differential and integral of discrete function arc deduced in this paper.

推导了三次样条插值在求解列表函数的数值微分与积分的公式，给出了余项估计，编写了用于求解数值微分与积分的通用程序，通过数值算例表明，三次样条在插值逼近中具有非常好的性质。

It is accomplished through a series of arc-exchang between supporty forests and corresponding complementary supporty forests in digraph.

算法是通过在有向图中的支撑林和相应的补支撑林之间进行一系列弧的交换来完成的。

By employing indicators as soil PH, conductance and salt content, different soil salinity degrees are plotted out. There arc 9 types of salinisation levels in Fukang oasis. Within them, the strong saline soil and solonchak are the main types, which, with regards to latitude and from the lower of diluvial fan to desert, distribute in turn as middle saline soil, strong saline soil, solonchak, strong saline soil, solonchak and non- saline distribute.

该文以电导、易溶性盐含量、pH作为盐渍化程度的指标，将阜康绿洲的土壤盐渍化程度划分为9种类型，其中以强盐渍土和盐土为主，在纬度梯度上从南至北，即从洪积扇下部到沙漠按照中盐渍土－强盐渍土－盐土－强盐渍土－盐土－非盐渍土的顺序依次分布。

The factory has more than 6,000 square meters of standard factory buildings, 500 square meters of office space, more than 90 employees, including 15 middle and high-ranking engineers, factory with advanced equipment and related NC shear, punching, bending, school-ping, welding , Dioxane, sub-arc and other equipment.

本厂拥有6000余平米的标准厂房，500平米的办公区，拥有员工90多名，其中高中级工程师15名，同时本厂拥有先进数控设备及配套剪，冲压，折弯，校平，电焊，二氧，亚弧等设备。

Our factory has more than 6,000 square meters of standard factory buildings, 500 square meters of office area, with more than 50 employees, including 10 high and mid-level engineers, and factory with advanced numerical control equipment and auxiliary cutting, stamping, bending, leveling, welding , dioxane, sub-arc equipment.

本厂拥有6000余平米的标准厂房，500平米的办公区，拥有员工50多名，其中高中级工程师10名，同时本厂拥有先进数控设备及配套剪，冲压，折弯，校平，电焊，二氧，亚弧等设备。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。