years‚ as there wasn’t any need for such a biopolymer; petroleum was still inexpensive and abundant so PHB was unnecessary. In 1957‚ PHB was rediscovered in Britain and USA‚ and was further developed and researched during the 1960s. The mass production of PHB began after the 1990s because of the growing need for a environmentally friendly plastic alternative. Properties of PHB... The biodegradability of PHB gives it extraordinary appeal as a potential replacement for the widely used polymers
Premium Petrochemical Nitrogen Polymer
Explain the use of enzymes in food production by means of examples. You must include the example of lactase. Enzymes are proteins that speed up the rate of chemical reactions (up to a million times) in living organisms. Acting as catalysts they are not consumed nor altered in the process of converting the specific set of reactants into specific products. In food production‚ enzymes are greatly appreciated by their accelerated effect in biochemical processes and are mostly used in what we
Premium Milk
The “treadmill of production” model (Schnaiberg and Gould 1995) suggests that nature and natural resources will be intensively exploited by economic interests which will resist the imposition of environmental protection for regulations‚ because it seriously inhibits their operations or reduce their profits and will be supported by political elites dependent on growth and revenue generated by these economic interests. Some of the reasons why states’ policies of building dams are similar: a perceived
Free Environmentalism Sustainability Natural environment
Tavaski Gordon December 12‚ 2013 HS 251 Unit 9 Paper Biological Weapons Production Biological weapons are deadly materials manufactured from pathogenic organisms (viruses and bacteria) or synthetic deadly substances that are used to deliberately affect the organic procedures of a host i.e. human or animal body. These substances primary function is to kill or injure the host. Biological weapons can be used to harm vulnerable organisms such as humans‚ animals or vegetation (Biological Threats
Premium Biological warfare
Morgan Graves AAS 101 27 April 27‚ 2015 Black Creative Production Karenga defines art‚ in terms of Black Art‚ Music and Literature‚ as “cultural production informed by standards of creativity and beauty and inspired by and reflective of a people’s life-experiences and life-aspirations”. Put more simply‚ Black art is an expansive term describing the visual arts of the Black community. Black art also includes the Black aesthetic which can be defined as a distinctive mode of artistic expression and
Premium Black people African American Art
Production Cost Analysis and Estimation Applied Problems 1. Jennifer Trucking Company operates a large rig transportation business in Texas that transports locally grown vegetables to San Diego‚ California. The company owns 5 large rigs and hires local drivers paid fixed salaries monthly‚ regardless of the number of trips or tons of cargo that each driver transports each month. The below table presents details about the number of drivers and the total cargo transported by the company at different
Premium Marginal cost Cost Economics of production
Forecasting Forecast can help managers by reducing some of the uncertainty‚ thereby enabling them to develop more meaningful plans than they might otherwise. A forecast is a statement about the future. Features common to all forecasts 1. The same underlying causal system that existed in the past will continue to exist in the future. 2. Forecasts are rarely perfect; actual results usually differ from predicted values. 3. Forecasts for groups of items tend to be more accurate than forecasts
Premium Forecasting Regression analysis Linear regression
The Identification and Production of Materials 1. Fossil fuels provide both energy and raw materials such as ethylene‚ for the production of other substances. Students Learn To: .2 Identify the industrial source of ethylene from the cracking of some of the fractions from the refining of petroleum. • Ethylene is produced either from natural gas or crude oil‚ which are mixtures of hydrocarbons. One method involves… Cracking: a process by which hydrocarbons with higher molecular
Premium Atom Carbon dioxide Oxygen
SEEDLING PRODUCTION SYSTEM Seedling production system is a concept used in production of healthy seedlings especially those of vegetables‚ herbs‚ flowers‚ trees and many crops propagated from seedlings. These are seedlings with a controlled environment. Seedlings are produced in seed trays‚ with a growing medium either made out of peat / vermiculite or bark or other media found suitable. With controlled amount of sunlight‚ water and air flow‚ with a calculated fertigation system (water and fertilizer
Premium Water Seed Irrigation
1. SOCIO-ECONOMIC CONDITIONS OF MILK SOCIETY FARMERS IN AVANOOR PANCHAYATH. Avanoor is one of the village in puzhakkal taluk‚ thrissur district‚ Kerala state: panchayath situated with18.25 square kilometer total land size. Total population in Avanoor Panchayath is 20040. Among the total population 9729 males and 10311 females. Avanoor bounded with Mundathicode and velur panchayath in the North‚ Kaiparambu panchayath in the west‚ Adatt and Kolazhy panchayaths in the south‚ Mulankunnathkavu panchayath
Free Cattle Milk Dairy