Apart from making films of the test material, autoradiography can directly be measured by various counters like Geiger-Muller counter and Scintillation Counter. While counting the back ground count should also be considered. Counter # 1. Geiger-Muller Counter: It is made of a glass or metal tube containing a mixture of gases, an inert gas like helium or argon and an [...]
In this article we will discuss about the production of various bio-fertilizers. 1. Production of Bacterial Bio-Fertilizer: With day-by-day increasing the population, especially in developing countries like India, the stress on agriculture is also increasing continuously. With the development, the land area under farming is not increasing but is further decreasing, this has posed extra burden on the agriculture. Therefore, [...]
A compound microscope consists of three main parts: 1. Objective Lens 2. Eye Piece 3. Condensers. Part # 1. Objective Lens: The chief characteristics of the objective lens are: (a) To gather the light rays coming any point to the object, (b) To unite the light in a point of image, (c) To magnify the image. There are three types [...]