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Approaches to Design Controlled Release Formulations
These are the methods or processes by which we design CRDDS:
1. Diffusion-controlled release 2. Dissolution-controlled release 3.lon-exchange controlled release.
1) Diffusion-Controlled Release System
Diffusion is the process of movement of drug molecules from higher concentration to lower concentration during absorption.
For CRDDS, we can control the diffusion process by using polymers.
Before polymer coating, drugs are enclosed with a rate-controlling
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w(в-ва) = 10%
m(р-ра) = 50 г
m(____) - ?
m(____) =
Взвесьте вещество массой 5 г
Вывод: Навеска точно отмерена на весах.
m(H2O) = 50 г - 5 г = 45 г
Налейте воду объемом 45 см³
Влейте воду объемом 45 см³
Вывод: Получен
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Travelling to Exotic Places – Advantages and Disadvantages
Travelling to Exotic Places – Advantages and Disadvantages
Nowadays, more and more people decide to travel to exotic countries to watch wild animals in their natural environment. This form of holiday is becoming very popular all around the world. It has many advantages, but it also has some disadvantages.
The main advantage is the opportunity to see beautiful animals live, not just on television or in a zoo. For many tourists, it is an amazing adventure and a dream come true. Furthermore, exotic
fizuka
Prawo odbicia: Kąt padania jest równy kątowi odbicia (α = α'). Kąty te leżą w jednej płaszczyźnie.
Kąt padania – jest to kąt zawarty między promieniem padającym a prostą prostopadłą do powierzchni odbijającej (czyli normalną n).
Kąt odbicia – kąt zawarty między promieniem odbitym a prostą prostopadłą do powierzchni odbijającej.
Prawo odbicia dotyczy fal mechanicznych, elektromagnetycznych (światła i kul bilardowych).
sin(α) / sin(β) = v1 / v2 = const
Prawo załamania:
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Q1. Explain Linear Regression. Derive the equation of Simple Linear Regression and explain its working with an example.
Linear Regression is a supervised learning algorithm used to predict a continuous dependent variable from one or more independent variables.
For Simple Linear Regression, the relationship between xx and yy is represented by:
where:
- y = predicted value
- x = input feature
- b0 = intercept
- b1 = slope
Calculation of slope
Intercept
Therefore, the regression equation becomes:
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1. What are the reasons for water pollution in India and how can we conserve water resources? (5 Marks)
Water pollution means the contamination of water by harmful substances, making it unfit for human use and aquatic life.
Reasons for water pollution:
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Domestic sewage and untreated wastewater are discharged into rivers and lakes.
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Industrial waste containing chemicals and toxic substances pollutes water.
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Agricultural runoff carries fertilisers and pesticides into water bodies.
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Religious and
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Classification and Organization of Hospitals:
Discuss the classification of hospitals based on Clinical Basis, Non-Clinical Basis (Ownership/ Control), Size (Bed Strength), and Level of Care as per the provided text. PDF
Draw and explain the organizational structure of a modern hospital, detailing the roles of the Governing Board, Executive Director, and major departmental divisions.
Hospital Pharmacy Functions, Layout, and Staffing:
Define Hospital Pharmacy and elaborate on its major functions
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### 1. Ramy czasowe i chronologia wojny
II wojna światowa w Europie trwała od 1 września 1939 r. (napaść Niemiec na Polskę) do 8 maja 1945 r., a na świecie zakończyła się 2 września 1945 r. kapitulacją Japonii. Na świecie kluczowe były: bitwa o Anglię (1940), atak na Pearl Harbor i przystąpienie USA (7 XII 1941), lądowanie w Normandii (6 VI 1944), konferencja w Jałcie (luty 1945) oraz zrzucenie bomb atomowych na Hiroszimę i Nagasaki (sierpień 1945). W Polsce najważniejsze wydarzenia
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