Rotary AC-DC Resistance Box Technical Specifications: 1. Zero-value resistance: 30±5mΩ, this instrument adopts spring fine-tuning switch, uses 10,000 times, variation is less than 2m? 2, zero inductance does not exceed 2 microhenry. 3, the resistance box can be used in the 0-10kHz audio ra
[Asia Fluid Network News] on the submersible sewage pump model choices vary, different types of submersible sewage pump work in different situations. For example, if the work site is small, does not require a large amount of displacement, then you can choose submersible sewage pump and submersible
Granite is a special rock composed of quartz, feldspar and mica as the main proprietary minerals with aesthetics, durability and formability. Different types of granite have different application scopes and applications. The aesthetics and durability of the object will increas
The first case of MERS patients in Guangdong was aggravated, came from camel infection, there were no specific vaccines, MERS close contact increased to 682, doctors drawn into the ICU to special care for MERS patients ... When people are still immersed in the happiness of "All Children's
Choosing a good office decoration company is an object that every boss cares about. The office decoration is different from the home space decoration. Different requirements also put different requirements on the decoration company. Although many decoration companies do everything, Many consumers
[ Huaqiang Security Network News ] This article introduces you to the 2015 list of safe brand rankings: First place: Yongfa Ningbo Yongfa Group Co., Ltd. Second place: Tiger brand Hebei Tiger Group Safe Manufacturing Co., Ltd. Third place: Wang Li Wangli Group Co., Ltd. Fo
[ Huaqiang Security Network News ] Before answering this question for Green Shield pm2.5 mask, please introduce the green shield mask. The green shield mask is a new generation of antibacterial dust mask developed by Shanghai Xingnuo Kanglun Technology. It has a domestic PM2.5
The most feng shui problem is the bathroom decoration. A reasonable feng shui layout is actually to help the family's health and create a comfortable home. Whether you like a hearty shower or a bath tub, the bathroom is a great place to help us out. Xiaobian specially explains the layout o
At the “Global Film Power Generation Product Innovation Competition - China Beifu Innovation Park Special†event, models are showing smart sportswear equipped with Hanergy Solar Films. Our reporter Zhu Jun photo When you and your family enjoy the outdoor entertainme
1. Early definition: The discipline that studies the shape and size of the Earth and determines the coordinates of the ground point. 2. Current definition: The discipline that studies the shape, size, location, direction, and distribution of various objects in three-dimensional space. Definition
Abstract : The effects of different resistances on the electrical properties of high-resistivity solar cells are studied. The short-circuit current (Isc) and open-circuit voltage (Uoc) of the high-resistance cells increase linearly with the increase of the di
Jc001.load('iframe') JIFrame.create({ 'url' : '/go.php?action=ads&iframeHeight=250&isIframe=1&key=%BC%D2%BE%DF+%BA%EC%C4%BE%BC% D2%BE%DF&pos_id=jc001_news_detail_30&reqkey=1&style=margin%3A15px+15px+25px+0%3B+height%3A255px%3Bwidth%3A255px%3B+float%3