It is done by Zeal Nelson’s method. It is based on the fact that after staining with aniline dyes, tubercle bacilli resist discolor- station with acids. It consists of 3 steps.
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These are synthetically produced polymers of glucose with a high molecular weight. These are colloid in nature and can not pass through the capillary wall of the blood vessels.
Memory is an internal and unobservable process. At times we feel that we don’t remember all that we had learnt earlier. In such a situation, we come face to face with the imperfect nature of our own memories- our cognitive system for learning, storing, and retrieving information and throwing a challenge for its assessment.
Each carbon atom in diamond lies at the centre of regular tetrahedron. There is no free electron. This tightly bonded arrangement gives a rigid three…
It is one of the qualitative research methods used mostly by the clinical psychologists. It is an in-depth look at the individual in the context of his environment. Sometimes much can be learned from studying just one individual and his unique experiences and behaviors for helping him improve some aspects of his behavior.
Every science is based on observation of facts, and hence, observational methods are most common to every science. Like all other sciences, psychology also uses this method to study its subject matter.
The coverage of sales accounting includes charging and collecting payments, sales statistics and information for reference at a future date. The following kinds of forms and documents are used in sales accounting.
Solar energy received by the earth is distributed over a large area near the poles than at the equator. Thus, the amount of energy received per unit area is more at the equator, which is consequently much warmer than the poles.
The traditional methods of filing used in small offices are: Guard Book—In this book letters and documents are held together by a metal holder or these are pasted in the bound book in chronological order.
Refining of metals means purification of metals. Depending upon the nature of the metal and the nature of the impurities, present different methods are applied for the refining of metals. Some of the commonly used methods are discussed below: