Science
2,224 Science Free Papers: 1,761 - 1,770
-
Secure and Efficient off-Line Digital Money
1: off-line (outline: 1: Off-line system, bank does not involved in payment processes. no need for database. Major conern is double-spending and customer's privacy. trade-off between double-spending detect and untracebility 2: 2 important idea and 3 phase, it call offline as no bank in purchase phase \cite{CF88} Chaum Fiat and
Rating:Essay Length: 1,159 Words / 5 PagesSubmitted: March 14, 2015 -
Semiconductor
Semiconductor Semiconductor is defined as the solid whose electrical conductivity lies between conductors and insulators. It may be noted that semiconductors show conductivity due to presence of impurity and defect. Semiconductors are of two type: Intrinsic semiconductor and Extrinsic semiconductor. It may be noted that in intrinsic type of semiconductor,
Rating:Essay Length: 575 Words / 3 PagesSubmitted: February 14, 2017 -
Separating the Components of Panacetin
Introduction The objective of this experiment is to find out the composition of Panacetin and compared the value listed on the bottle from a pharmaceutical company. From the experiment, the components of Panacetin were separate based on physical and chemical properties .Panacetin contains aspirin, sucrose and an unknown substance. Sucrose
Rating:Essay Length: 1,175 Words / 5 PagesSubmitted: November 5, 2011 -
Separating the Pigments in Spinach Leaves by Thin-Layer Chromatography
Your Name: Amanda Finney Date: 2/4/16 Thin Layer Chromatography Separating the Pigments in Spinach Leaves Nabona, Kathy. "Thin Layer Chromatography Separating the Pigments in Spinach Leaves." Handout to Organic Chemistry I students. Austin Community College. Austin, TX. n.d. Print. I. Introduction For the purpose of this experiment we are to
Rating:Essay Length: 1,204 Words / 5 PagesSubmitted: February 25, 2016 -
Separation and Identification of Photosynthetic Pigments in Spinach Leaves
Separation and Identification of Photosynthetic Pigments in Spinach Leaves Introduction All organisms require energy to complete metabolic processes within their cells. In plants, protists, and cyanobacteria, the energy needed to carry out metabolism is acquired through the process of photosynthesis. This process captures light energy from the sun and converts
Rating:Essay Length: 339 Words / 2 PagesSubmitted: November 8, 2013 -
Separation of a Mixture of Solids
Separation of a Mixture of Solids My Flow Chart First remove iron filings with magnet since this is the only substance in the mixture that it is magnetic and will be attracted to a magnet. Second remove the sand by adding the mixture to hot water, which the other two
Rating:Essay Length: 413 Words / 2 PagesSubmitted: November 12, 2012 -
Separation of Mixtures
Iron filings 1.9 29.3% Sand 1.4 21.5% Table salt 1.6 24.6% Benzoic acid 1.6 24.6% Total 6.5 100% Questions A. How did your proposed Procedures or flow charts at the beginning of this experiment compare to the actual Procedures of this lab exercise? I was correct on the assumption of
Rating:Essay Length: 272 Words / 2 PagesSubmitted: March 23, 2014 -
Seven Wonders for a Cool Planet: “the Condom”
Seven Wonders for a Cool Planet: “The Condom” How will the condom not just save your life, but also the environment that you live in? This should be one of the main questions that everybody should be asking themselves, if they want to live longer and continue to enjoy the
Rating:Essay Length: 544 Words / 3 PagesSubmitted: June 17, 2012 -
Sex and the Single Guppy
Title: Sex and the single Guppy Purpose: The purpose of this is to demonstrate how guppies survive swimming among different predators. Hypothesis: If predators are feeding more on the brightly colored guppies then they will be eliminated from the gene pool and the population will become more drab. Results: Simulation
Rating:Essay Length: 270 Words / 2 PagesSubmitted: May 2, 2012 -
Sexual Intercourse in Relation to Ovulation
In December 1995, many doctors and scientists have done researches and experiments on whether or not timing of sexual intercourse in relation to ovulation will influence the chances of conception. This experiment was solely done using the many steps of the scientific method. First, observations were done when people realized
Rating:Essay Length: 294 Words / 2 PagesSubmitted: May 10, 2018