PERMIABILITY TEST AIM OF THE EXPERIMENT: To determine the coefficient of permeability of a given soil sample by Variable head permeability test. APPARATUS REQUIRED: a) Special: i. Jodhpur permeameter frame consisting of sand pipe graduated scale‚ rubber tubing connected to permeameter mould. Permeameter mould. Accessories of permeameter mould including the cover‚ base‚ detachable collar‚ porous stones‚ dummy plate etc. Round filter paper. Dynamic compaction device. ii. iii. iv. v. b) General:
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1. Assume the resting heart rates for a sample of individuals are normally distributed with a mean of 70 and a standard deviation of 15. Use the 68-95-99 rule to find the following quantities: a. Percentage of rates less than 70 = 50% b. Percentage of rates less than 55 = 16% c. Relative frequency of rates less than 40 = 2.5% d. Percentage of rates less than 85 = 84% e. Relative frequency of rates less than 100 = 97.5% f. Percentage
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Practical 2.1- The Effect of Temperature on Membranes Objective To investigate the effect of temperature on membrane structure Introduction Beetroot Pigments Beetroots contain Betalains which are the red pigments present in the cell vacuole. Betalains are soluble in water and they contain nitrogen. Betalains extracted from beetroot is commonly used as food dye because it is not known to cause any allergic reactions. Beetroot Picture taken from http://tipdeck/how-to-cook-beet-root Structure
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Unit 2 Explore and Discuss I. ext file system A. The first file system created specifically for the Linux kernel introduced in 1992 B. Structures B.1. File allocation B.1.a) Bitmap (free space) B.1.b) Table (metadata) B.2. Bad blocks B.2.a) Table C. Features C.1. File system permissions C.1.a) POSIX - a family of standards specified by the IEEE for maintaining compatibility between operating systems. C.2. Transparent Encryption C.2.a) None D. Revsions D.1. ext2 D.2. ext3 D.3
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How neurons communicate Neurons are the specialized cells which make up the body’s nervous system. These nerve cells process and transmit information from one part of the body to another. For example‚ if you were to touch a candle flame for more than an instant‚ pain nerves also known as receptors that are in your finger would send a message up through your hand and arm to the spinal cord and then to the brain. The brain which in turn records pain and sends the messages back down to various parts
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A neuron is a nerve cell in the brain‚ it is essentially the building block of the nervous system. Each neuron is itself a miniature decision making device‚ reacting to signals it receives from hundreds‚ even thousands of other neurons. Each signal is either excitatory or inhibitory. Excitatory signals increase the likelihood of an action potential happening‚ inhibitory make an action potential in a nerve cell less likely. The action potential is a nerve impulse. Once the excitatory signals over
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temperature and humidity. Objectives: 1. The students will discover the need for measuring instruments to quantify weather observations. 2. The students will learn how to use a sling psychrometer to determine temperature and relative humidity values. 3. The students will explain and understand the difference between absolute and relative humidity and the relationships between temperature and atmospheric humidity. Introduction: Atmospheric Temperature is one of the most frequently
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Chapter 16 Operational Performance Measurement: Further Analysis of Productivity and Sales Cases 16-1 Dallas Consulting Group Readings 16-1: “Profit Variance Analysis: A Strategic Focus” by Vijay Govindarajan‚ John K. Shank‚ Issues in Accounting Education (Fall 1989). This article uses a fictitious case to demonstrate how variance analysis can be tied explicitly to the strategies of the firm. It expands the Shank and Churchill framework (explained in the article) for variance analysis
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the connections between neurons in the brain‚ gain insight into the regulation of appetite and metabolism. The ARC and VMH has long been thought of as satiety centers. Studies that investigate the role of the arcuate nucleus in the hypothalamus‚ in regulating appetite and metabolism‚ have targeted two chemically identified neuronal types within the ARC: anorexigenic pro-opiomelanocortin (POMC) neurons and orexigenic neuropeptide Y (NPY)/agouti-related peptide (AgRP) neurons. The melanocortin α-melanocyte
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Experiment 2 : Transport Across Membrane Name : Matrix No : Group : B Semester : 1 Date of Experiment : 05.09.2013 Lecturer’s Name : Miss OBJECTIVE To study the effects of hypotonic‚ hypertonic and isotonic solutions on plant and animal cells. INTRODUCTION In cellular biology the term membrane transport refers to the collection of mechanisms that regulate the passage of solutes such as ions and small molecules through biological membranes‚ which are lipid bilayers
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