Sugar Cane Diffusion The advantages of diffusion The advantages of diffusion over conventional milling have been confimed by the performances of DE SMET diffusers in industrial operation. De Smet diffusers have processed several million tons of cane in different countries and proved their : √ √ √ √ √ √ Simplicity Efficiency Low maintenance costs Low operation costs Mechanical reliability Adaptation to changes in capacity. Types of De Smet diffusers De Smet supplies two types of diffusers : √
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Sylvester Rimando Geography 2 September 19 2012 Cultural Diffusion: Sushi Sushi is one example of cultural diffusion in which went on to expand on a global scale from a native treat of Japan into an international delicacy. To scope out on how sushi became an international sensation‚ there are 4 factors that identify the chronicles of its origins and through an expansion of this treat internationally. These 4 factors are: the hearth (originating from) ‚
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because of osmosis. The only thing that the hypothesis lacked was that starch did not move at all. The beaker stayed yellow before and after because the bag is not permeable to starch. 4B- The hypothesis was supported because the diffusion rate was faster shown from the agar blocks. The materials passed through the membrane easily and quickly in the small cells than the large‚ making them more efficient. The smaller the cell is‚ the faster it can transport signals. The bigger cell took longer because
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Diffusion of responsibility is a pervasive socio-psychological phenomenon that is deeply entrenched in all societies. This tends to occur when the size of a group reaches a certain threshold and individuals within the group assume that others will take action or have already intervened‚ commonly resulting in the collective inaction by potential helpers. Another contributing factor is the gender of the individual in need for help which affects the action/inaction of the individuals in the group. The
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Peanut Butter and Jelly Mmmm‚ peanut butter and jelly. Just the very mention of these familiar words gets our mouth watering‚ ready for one of the all time great sandwiches. A report conducted in 2002 stated that by the time a typical child graduates from high school‚ they would have consumed over 1500 peanut butter and jelly sandwiches. One of the simplest sandwiches to make‚ it is a favorite of both parents and children. It is quick to prepare‚ and kids will happily eat them. We
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THE EFFECT OF THE WATER CONCENTRATION GRADIENT ON THE RATE OF OSMOSIS Investigation Folio: Summative Stage 1 Biology: SEMESTER 1 2014 MARCIA SHAW - 151003X INTRODUCTION Diffusion: is when something spreads more widely from a higher concentration gradient to a lower concentration gradient. Diffusion is the process from which molecules‚ atoms or ions mingle together and move from an area of high concentration to an area of low concentration as a result to their kinetic energy. for example
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Cell Size: Is Bigger Better? Problem: Why are cells small? Objective: To see the relationship between cell size and diffusion of materials. Hypothesis: If we cut three different sizes of cells‚ then the smallest one will survive the longest due to its sufficient permeable membrane. Cube | Total Volume (cm^3) | Surface Area (cm^2) | Index SA/VOL | 3 | 27 | 54 | .5 | 2 | 8 | 24 | .33 | 1 | 1 | 6 | .16 | Index of Cubes Cube Index SA/VOL Surface Area to Volume Cube | Total
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using protein carriers. Examples of active transport are endocytosis‚ exocytosis‚ and phagocytosis. Passive transport does not require energy it is powered by the concentration gradient of the molecule. Examples of passive transport are diffusion‚ facilitated diffusion‚ filtration‚ and osmosis. In our Osmosis Lab I used a Grade a large egg from the grocery store. Its circumference is 5 ½ inches it is smooth with no cracks. I carefully place the egg in a clear plastic cup and fill the cup with vinegar
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1.0 Introduction 1.1 Aim and Assumptions: The aim of this experiment is to observe the rate of diffusion of diethyl ether vapour into stagnant air‚ and then determine the diffusivity. An error analysis of this calculation also had to be carried out. The following assumptions made were: * Diethyl Ether is an ideal gas * Partial pressure at the top of the tube was equal to zero * Mass transfer resistance between the liquid surface at the bottom of the tube is insufficient‚ compared with the
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Lab Report Diffusion is - One of two kinds of passive transport‚ - Diffusion can transport ions from higher concentration to lower concentration region without any other forces. - A net movement of molecules in and out of cell membrane - Diffusion can be affected by the steepness of the concentration gradient. Lab question: Is the rate of diffusion influenced by the presence of second molecule? Prediction: the rate of diffusion is influenced by the presence of second molecule
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