查询词典 stibium

A new environmental friendly free cutting brass containing stibium instead of lead was produced by casting and rolling.

采用熔铸、轧制的方法生产出了以锑代铅的环保型无铅易切削黄铜板材。

The reserves of the major mineral resources, such as coal, iron, copper, aluminum, stibium, molybdenum, manganese, tin, lead, zinc and mercury, are in the world's front rank.

外汇储备的主要矿产资源，如煤，铁，铜，铝，锑，钼，锰，锡，铅，锌，汞，是在世界上的前列。

Hydrothermal synthesis of Sn-contained complex compounds mostly focuses on the synthesis of sulfur-substitute stibium acid metallic complex compounds.

含锑配合物的水热溶剂热合成主要集中在硫代锑酸金属配合物的合成上。

This study systemically introduced the methods and technical conditions of determining stibium content of potassium pyroantimonate by using flame atomic absorption spectrophotometric method.

比较详细地研究用火焰原子吸收分光光度法测定焦锑酸钾中锑含量的技术条件和测定方法。

The results showed that stibium, mainly as intermetallics, distributed in β phase as well as at the interface of α/β phase.

结果表明，锑主要以金属间化合物存在于β相以及α和β相的相界处；主要力学性能与HPb59-1铅黄铜相当，锑黄铜的抗拉强度为461.72Mpa，屈服强度为213.3MPa，伸长率为15.67％。

The samples were dissolved in hydrochloric acid and nitric acid with lower temperature. The stibium content was directly determined by atomic absorption spectrometry.

合金以盐酸-硝酸混合酸低温溶解，用原子吸收光谱法直接测定合金中锑的含量。

Hunan has 111 kinds of ores among the over 160 kinds of ores which have been discovered in the world. 83 kinds of the ores in Hunan had been proven reserves and among them, the stibium reserves ranks first in the world, the tungsten, the bismuth, the graphite reserves ranks first in the nation.

在世界已发现的160多个矿种中，湖南有111种，已探明储量的有83种，其中锑储量居世界首位，钨、铋、石墨等居全国榜首。

WEEE and RoHS was put out in 2003. In order to meet that ,the encapsulation of IC must adopt the technology of lead free. So that Epoxy molding compound must be no stibium and no halogen, and high reliability under the condition of high temperature.

2003年WEEE、RoHS法规的颁布，对于IC封装过程而言，在回流焊过程中要避免使用铅焊接，对于塑封料而言则要无卤无锑阻燃，且要满足较高回流温度条件的耐焊性考核。

Lead, arsenic, stibium and bismuth were determined by inductively coupled plasma atomic emission spectrometry in hydrochloric acid medium.

铜精矿经硝酸缓慢溶解，在氨性溶液中，以氢氧化铁和氢氧化镧作载体一次共沉淀铅、砷、锑和铋，并与铜等元素分离，在盐酸介质中用电感耦合等离子体原子发射光谱法测定铜精矿中的铅、砷、锑、铋杂质元素。

WEEE and RoHS was put out in 2003. In order to meet the requirment of the WEEE and RoHs ,the encapsulation of IC must adopt the technology of lead free. Epoxy molding compound should be no stibium and no halogen, and have high reliability under the condition of high temperature.

2003年WEEE、RoHS法规的颁布，对于IC封装过程而言，在回流焊过程中要避免使用铅焊接，对于塑封料而言则要无卤无锑阻燃，且要满足较高回流温度条件的耐焊性考核。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。