Molecules of most detergents and soaps are long chain hydrocarbon molecules with an ionic group at one end, usually carrying a negative charge, thus making it an anion.…
Disinfection can be carried out by either thermal or chemical processes. Thermal disinfection is preferred whenever possible. It is generally more reliable than chemical processes, leaves no residues, is more easily controlled and is non-toxic.…
Agriculture was first started around the year 8,000 B.C.E. in Mesopotamia. There the plants grew along with food so humans could eat them. These first parts of farming faced many challenges with insects and pests eating away their crops. During the era of 1000 B.C.E. the Chinese began experimenting with elements such as mercury and other compounds to contain the insects. Other civilizations would use chemicals to contain pests. The usage of chemicals has occupied agriculture, and even more recently in the 1940’s inorganic substances composed of various elements were heavily used to contain the insects affecting the crops. The growth of many synthetic pesticides occurred during this time, the most common one was DDT. DDT was used the most…
Detergents are made up of things called surfactants. They are substances that lower the surface tension of water, allowing the dirt or stain to be removed from the clothing. Oxidizing agents are also in detergents, they act as bleaches. The last ingredient is enzymes. They speed up the chemical reactions to get the stains out quicker.…
I wonder what makes detergents to clean really sticky stains off from the with clothes.…
Pesticides increase food production, decrease cost of food and the consumers get high quality food without insect damages.…
The Article: Plants 'Thrive' Next To Friendly Neighbors And Trees 'Gasp' For Water? Interesting! By “DOGO News” is about plants being able to talk to each other and grow next to each other because they want to. If you have ever noticed that certain plants seem to thrive next to each other, it may not be random, but because they want to be next to each other. At least that's what Monica Gagliano, thinks. She thinks that plants use some kind of sound indicating to talk with each other and depending on if it is good or bad it may allow the weaker plant to live or die. What's even more remarkable is that the scientist believes the talking can happen at the germination stage. She showed with some chili pepper, basil and fennel plants. She began by planting the chili seeds in isolated dishes next to fennel plants. Not many germinated. Then she conducted the same experiment next to some basil plants. Sure enough, the chili peppers not only germinated rapidly, but also, thrived. , Monica thinks that provided with this data, farmers may be able to use sound to encourage or discourage the growth of certain plants, helping to reduce their dependence on fertilizers and pesticides.…
The increase in desire for perfect produce, drives the need for pesticides today. Much debate of the effects of chemicals used on commercial crops and overall long term effects on humans is an increasing concern. With the increase in advertising of organic produce, many standards of farming have been criticized. Many are claiming a large increase in risk to humans for consuming commercially grown produce, because of the chemicals used to manage such a large volume of crops. There have been many debates of the actual risk of pesticide consumption. With advancing technology and farm equipment, many types of chemical sprays and powders have been used. The actual effect of these pesticides and long term exposure can be harmful to human health.…
The first is that the soap lessens the surface tension of the water so that it wets what needs to be cleaned in a more efficient manner.5 The second involves the molecular structure of the soap. Soaps have a hydrophilic (water-loving) end, the carboxylic acid region, and a hydrophobic (water-fearing) region, the fatty acid chain.1 This causes the soap molecules work like a bar magnet. The water is attracted to the hydrophilic end and the oil is attracted to the hydrophobic end since it is nonpolar. The oil particles get broken apart and washed away.5 Detergents also have a hydrophilic and hydrophobic end,1 so they work in a similar…
The application of large number of pesticides are used in modern agriculture for control various insect pest population. The varieties and consumption of pesticides have been increasing as increased human population and crop production therefore misuses of pesticides become more and more serious problem as environmental point of view (Sitaramaraju et al. 2014). The increasing amount of crop productivity is not achieved without risk of human health and environment. The repeated application of pesticides may reaches in soil activity creates imbalance of soil which kills the pests and destroy the micro-organisms which are required for soil fertility and productivity (Madakka et al. 2010).…
NEEM TREE LEAVES AS INSECT REPELLANT An Investigatory Project ABSTRACT This investigatory project deals with the processing of Neem Tree Leaves (Azadiracha Indica) and utilizing them as insect repellant. Expert analysis showed that Neem tree leaves are good and tested as insect repellant.…
Pesticide making is popular nowadays and it is also very helpful in our world in the field of agriculture. Thus many people continue to experiment pesticides to produce better quality and quantity. Pesticide can be applied to the treatment of an organism, such as a crop or ornamental plant, against damage by other plants, insects, fungi, or animals.…
In the past decade there has been a tremendous increase in the yields of various crops to meet the demand of overgrowing population, achieved by using pesticides and insecticides. These are chemicals that are sprayed over crop to protect it from pests. For example, DDT, BHC, zinc phosphide,…
Last year, I am assigned by the College of Arts and Sciences- UE Manila as a Research Associate of the English Department for their A.B. English Alumni Tracer Program, a vital requirement of the PAASCU Accreditation and the UE Quality Assurance Department. I am also assigned by the English Department as an Event/Program Head Officer for the 2013 English Week Celebration.…
To cease all these through a necessary and effective pest management and disease control schema must be utilized. Using chemical pesticide would be a usual resort though as it brings forth more serious environmental and human hazards from its residue and its component’s biological risks, it should rather be not the first or only choice.…