The invention relates to a method for removing heavy metals from a water body by composite wetland vegetation. The method is characterized in that a wetland system is built on the water body; and the composite wetland plants in the wetland system are reed, cattail and willow, the hydraulic ...
4 Excretion is the process of removing waste products of metabolism from the body.(a) Name the two main products of metabolism that need to be excreted from [2]the human body.12(b)The kidney is one of the main excretory organs of the body. Its role is to filter the blood. Some subs...
The invention relates to a device for removing calculi from human bodies, comprising a catching bag which can be introduced into the human body and in which the calculus to be removed is received, this catching bag being capable of being closed after reception of the calculus and the interior...
5.The Interference and Elimination of Analyzing Atomic Absorptions of the Heavy Metal;重金属原子吸收分析中的干扰及消除 6.Removal of Heavy Metals from Wastewater by Biosorption of ZVI-SRB;ZVI-SRB生物吸附法去除水中重金属 7.Banishment of Heavy Metals in Water Body by Algae and Hydrophyte藻类和水生...
The invention concerns a method for removing skin from the bodies of animals, preferably of fowls, and a device for implementing said method. Known devices comprise skin-removing rollers, designed to enable height adjustment via a control cam. Said devices, however, have the disadvantage of not ...
结果1 题目 It has everything to do with removing the chemicals from your body that you’ve been putting in there by smoking. 它及消除通过吸烟产生在你身体里的化学物质有关。 相关知识点: 试题来源: 解析 它及消除通过吸烟产生在你身体里的化学物质有关。 反馈 收藏 ...
1. A method for removing an object from a tubular body passage of a living being comprising the steps of: introducing a relatively stiff ring, open at both ends, into the tubular body passage, moving the ring through the tubular body passage so as to allow contents within the passage to ...
Described is a device for removing hair from the human body, the device having a housing designed to be held in the user's hand, at least one preferably motor-driven rotating cylinder with hair-gripping elements and at least one device (V) for actuating the hair-gripping elements. The rota...
A surgical instrument and method for using it for invaginate stripping of vericose veins from the human body utilize an elongate flexible tube provided with a pair of perforations at its distal end. The perforations provide for delivery of vasodilator fluid from within the tube to the vein lumen...
A system for removing oil from the surface (9) of a body of water comprises: a vessel (2) floatable on the body of water; a plurality of booms (3) floatable on the surface and movable by the vessel for collecting oil on the surface; a movable continuous belt (7) carried by the ...