Using barium hydroxide octahydrate and urea as raw material, barium carbonate is prepared homogeneous precipitation method.

The determination of sulfur in thiolated chitosan resins with barium sulfate nephelometry was developed.

研究硫酸钡浊度法测定硫代壳聚糖树脂含硫量的方法.

A white pigment consisting of a mixture of zinc sulfidezinc oxide , and barium sulfate.

一种矿石,是锌的主要来源,含大量晶体状硫化锌.

Chemical properties of stability, with a total reduction of carbon barium sulfide.

化学性质稳定, 与碳共热还原为硫化钡.

Fine powders of barium ferrite were prepared by auto-combustion method.

采用自燃烧法制备了钡铁氧体微粉.

Expansion curve tunnel axis is the axis of symmetry, the tunnel axis at the stratigraphic sedimentation value.

扩展曲线以隧道轴线为对称轴，隧道轴线处地层沉降值最大。

The shape of ballistic reentry vehicle generally is axial symmetry, but its mass center may be departure from the axis of its symmetry.

弹道式再入飞行器一般为轴对称旋成体，但其质心可以偏离对称轴。

Results show that: ( 1) In the bending process of the I-shaped structural beams of bamboo, the axis of symmetry of the deflection value in the middle and both sides are diminishing symmetrical distribution, the deflection value of hinged fulcrum position is essentially unchanged.

结果表明：（1）竹质工字型结构梁受弯过程中，竹质工字型结构梁挠度值以中间为对称轴两侧呈递减对称分布，两端简支点位置的挠度值基本没有变化。

For a class of graphs, see Fig 1 denoted by A_n, with an axis of symmetry, we obtained its explicit expressions of characteristic polynomial and matching polynomial.

本文对一类具有对称轴的图A n（n≥0），得到了它的特征多项式及匹配多项式的精确表达式；同时还得到A（？）

First, we used the principal component analysis to determine the initial axis of symmetry, and then combined the moment of inertia to further pinpoint the accurate symmetry-axis linear equation.

首先，利用主元分析法初步确定对称轴；然后结合转动惯量法进一步精确定位对称轴直线方程；

Only the connected domain that passes through the central axis of symmetry could be considered to be is the region that the vehicle logo is at.

只有经过中心对称轴的连通区域才认为是车标所在的区域，实现车标精定位。

Some simulations show that the imaging results are in much good agreement with the true conductivity profile by array multi information on the axis of symmetry.

一些数值模拟表明，利用阵列多信息能很好地对复杂地层进行成象，且成象结果与真实电导率剖面分布吻合得比较好。

Undersize crankshaft main bearing journals. The important thing to know that it has an axis of symmetry-the optical axis.

尺寸小于标准的凸轮轴主轴承轴颈。重点是知道主镜有一个对称轴&光轴。

The member bearing compression in the truss could be regard as a battened column with the single axis of symmetry.

这种角钢桁架中的受压件在结构上是一个单轴对称缀板柱。

The Axisymmetric Creeping Flow in an Infinite Long Circular Cone with a Sphere Moving Along the Axis of Symmetry

圆球沿无限长锥形管道运动的轴对称蠕流

The second image is obtained by rotating the cross-grating interferometer an angle about its axis of symmetry.

将光栅干涉仪绕其对称轴转过一角度，得到第二个像。

Finding the common tangent of two circular cone curves with the communal axis of symmetry

求具有公共对称轴线的二圆锥曲线的公切线

A Weighted Residual Method for Solving Sloshing Problems in Tanks with a Vertical Axis of Symmetry

具有铅直对称轴容器内液体晃动问题的加权残数解

Electrical boresighting adjustment The important thing to know that it has an axis of symmetry-the optical axis.

光轴与电轴一致性的校准重点是知道主镜有一个对称轴&光轴。

And, of course, that only works if the solid has some axis of symmetry.

当然，前提是物体的对称轴存在。

Please take this barium meal.

请吃这钡餐.