查询词典 ferrite

A new method for directly producing naphthol from naphthalene is studied in this paper,in which spinel-type magnesium ferrite is used as the catalyst and hydrogen peroxide as the oxidant.

研究了萘一步催化氧化合成萘酚的新方法，该法以具有尖晶石结构的铁酸镁为催化剂，过氧化氢为氧化剂。

Thus, the ferrite core is positioned in the vertical axis Y, keeping the optimal position.

因此，铁氧体磁心4在垂直轴Y的方向上被定位、保持在最佳位置上。

The matrix of steel is mainly ferrite, but pearlite also appears under certain conditions.

钢基体主要为铁素体，在一定条件下也可出现珠光体组织。

The microstructures of super-steel SS400 were composed of ferrite, the pearlite and small amount of bainite.

Super-SS400的显微组织为铁素体、珠光体和少量的贝氏体。

The increase of austenite grain boundaries and crystal defects can increase the nucleation rate of ferrite transformation, but it has no direct effects on the pearlite transformation.

变形造成的奥氏体晶界面积和晶体缺陷的增加只是增加了铁素体相变的形核率，而对珠光体的形核却没有直接的影响。

The magnetic ring is made of ferrite preferably or silicon steel, permalloy, etc.

较好的磁环材料是铁氧体，还可以包括硅钢、坡莫合金等。

Using pyrolusite,zinc concentration and iron scrap as materials,preparation of Mn-Zn soft magnetic ferrite was studied.

以软锰矿、硫化锌精矿及铁屑等为原料，研究了直接法制备锰锌软磁铁氧体的工艺条件，重点研究了浸出液复盐沉淀深度净化的工艺条件。

Two processes to prepare Ba-ferrite particles for low density magnetic recording made by ceramic techniques are introduced in this paper.

介绍了采用陶瓷技术制备低密度磁记录钡铁氧体磁粉的两条技术工艺。

The experimental results show that recrystallization of deformed ferrite is strongly influenced by heating rate and occurs mainly between 600℃ and 720℃.

实验表明，在连续退火初期的加热过程中，在600~720℃大量进行再结晶。

The foundry method design of a nodular iron reductor housing with ferrite matrix was de-scribed.

介绍了铁素体基体球铁减速器壳体的铸造工艺设计。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。