Using waste liquor of sulfite process as main material and complexing different kind of metalpositive ions, the corresponding lignosulfonate (LSS) are prepared.
用亚硫酸盐法以造纸废液为主要原料，通过络合不同的金属阳离子得到相应的木质素磺酸盐(LSS)。
2
The stream of positive particles that meets the surge of electrons from the cloud often arises from a tall pointed structure such as a metal flagpole or a tower.
来自云层的电子流与正粒子流相遇，而这些正粒子流通常来自于高而尖的结构，如金属旗杆或塔。
3
Similarly, in an ultracapacitor, when voltage is applied across the two metal plates (i.e. during charging), a charge still builds on the two electrodes—one positive, one negative.