Sebuah filter kimia bekerja dengan menangkap bahan terlarut, seperti: gas, bahan organik terlarut, dan sejenisnya. Mekanisme ini dilakukan dengan bantuan media filter berupa arang aktif, resin ion, dan zeolit, atau melalui fraksinasi air. 1) Penyerapan (Absorpsi) Absorpsi merupakan suatu proses dimana suatu partikel terperangkap kedalam struktur suatu media dan seolah-olah menjadi bagian dari keseluruhan media tersebut. Proses ini dijumpai terutama ...
Read More »Brightness and Water Depth
One way to measure water transparency is done by using pieces Secchi (Secchi disk), which is a round pieces with a diameter of 20 cm made of zinc and painted white or black-white weighted. The tool is lowered into the water until it looks, its depth was measured, then lowered deeper. Furthermore, the chip is removed and when the puck ...
Read More »Agricultural Soil Productivity
The productivity of agricultural land is an economic concept that is determined by three factors, namely: (1) land management system, (2) results (of production), and (3) the type of soil. The value of agricultural land is highly dependent on the value of land productivity, more productive, then the higher the value of agricultural land. In the management of farmland there ...
Read More »The Level of Development Land Structure
Based on the level of development or stability of the structure of the soil, the soil structure can be divided into several levels, namely: Weak ie if a grain of soil structure can be seen, remains damaged and destroyed when taken from the soil profile to be checked. Being that if the soil structure has a grain structure that is ...
Read More »Concentrations of Salt Solution
If the concentration difference between the salt solution and fish body fluids is high, then the process of penetration of salt into the fish body will be faster. Salting methods can be grouped into three kinds, namely: 1) Dry salting (dry salting ) Dry salting method is salting method using salt crystals mixed with fish. Dry drying is done by ...
Read More »Types of Soil Structure
Based on the results of soil investigation in the field, the soil structure is described by: Types, according to the shape and arrangement ped, consisting of a round, plate, beams and prisms. Class is an indicator of the shape of the structure formed ped-ped constituent, produces 7 types of soil structure. Level that indicates the degree of ...
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