查询词典 ferrite

In this ***,nano-particles of NiCuZn ferrites powders were prepared with nickel nitrate,zinc sulfate,copper sulfate and ferrous sulfate as starting materials and ammonium oxalate as the precipitator by employing co-precipitation technique using oxalate precursors.Excellent composition uniformity NiCuZn ferrite powder can be obtained after drying and calcination.Toroidal samples were obtained after being formed and sintered.

本文以硫酸镍、硫酸铜、硫酸锌、硫酸亚铁和草酸铵为原料，应用化学共沉淀法制得分布均匀的先驱粉，经烘干、煅烧制成成分均匀性极佳的NiCuZn铁氧体粉末，再经成形和烧结等工艺，最后制得环形NiCuZn铁氧体材料。

The microprocessor protection device is under EFT/B immunity test.Improved distribution power supply,ferrite core,EMI filter and transient voltage suppressor can be used in the microprocessor protection device to control EFT/B through experiments.

通过给微机保护装置的外部端口进行电快速瞬变脉冲群抗扰度试验，提出了改进的分布式电源、串联铁氧体磁珠、电磁干扰滤波器和并联瞬态抑制二极管等具体措施。

This paper introduces large scale block current sensors with ferrite core.

介绍了大尺寸铁氧体磁心的分段组合式脉冲电流传感器。

The main products are mercury, cadmium, the mixture of manganese oxide with carbon and ferrite.

回收的主要产品为：汞、镉、碳粉和铁氧体粉料。

In order to improve the carrier suppression factors Psup of the microwave ferrite modulator, the condition for maximum energy translation from the carrier to the sideband has been found through a mapping process by which a message space is mapped onto a signal space.

本文从提高微波铁氧体调制器的载波抑制度P _出发，从信息空间到信号空间的一般映射过程中找出载波能量最大限度转移到边带的条件。

The mineral composition of interstitial phase and chemical composition of ferrite phase in the clinkers which were manufactured by Kunming Cement Plant utilizing phosphorous slag, copper slag and pulverized fly ash simultaneously were studied by means of extraction with salicylic acid methanol and acetic acid aqueous solution and XRD.

采用水杨酸甲醇溶液和醋酸水溶液选择萃取及XRD方法，对昆明水泥厂以磷渣、铜渣和粉煤灰配料生产的硅酸盐水泥熟料进行了矿物组成和铁相化学组成的研究。

These systematic studies can contribute to the study of the applications of NiZn ferrite.Meanwhile,the research methods employed in this thesis can also be applied to other kind of similar ferrites and even other ceramics.

以上系统的工作，对NiZn铁氧体的实际应用具有一定的参考和借鉴价值，同时本论文中的研究方法对其它尖晶石铁氧体的研究也具有一定的指导意义。

At last, a kind of novel photocatalyst ferrite was studied and it could be found that ferrites have also high photocatalytic activities, and can be used as a new novel to lucubrate.

可以作为一种新型的光催化剂进行深入研究。

Because the iron and chromium ferrite is formed elements, so 400 series stainless steel is completely ferritic stainless steel, with magnetic.

因为铁和铬都是铁素体形成元素，所以400系列不锈钢是完全铁素体不锈钢，具有磁性。

The chemical composition,microstructure,mechanical properties,production system and economic benefit of as cast ferrite/perlite spheroidal graphite cast iron miner's truck wheel are introduced.

介绍了铸态铁素体－珠光体球墨铸铁矿车轮的化学成分、组织性能、生产工艺及经济效益。使用结果表明，铸态铁素体－珠光体球墨铸铁矿车轮的使用寿命约是ZG35矿车轮的1.5倍

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。