Questions On Materials And Methods - 828 Words

2- Materials and methods 1. Snails B. alexandrina snails (8 - 10 mm) from Medical Malacology Laboratory, Theodor Bilharz Research Institute (TBRI), Giza, Egypt were used. Pieces of polyethylene sheets were put into the aquaria to collect egg masses. 2. Synthetic insecticide: Match 5% EC: Lufenuron 5% EC (Registration No., 609) was purchased from Syngenta (AGRO-Egypt). 3. Bioassay tests: 3.1. Molluscicidal screening: A stock solution of 1000 ppm was prepared from the insecticide on the basis of W/V using dechlorinated tap water. To calculate LC50 and LC90, Series of concentrations were prepared and ten B. alexandrina snails were placed in beakers for each concentration (WHO, 1983) and another group in dechlorinated water as control. Three replicates were prepared for each group and control, then, snails’ mortality was recorded. 3.1.1. Collection of hemolymph: To collect the hemolymph, a small portion of the shell which situated directly above the heart of snails was removed and a capillary tube was inserted into the heart (Nduka and Harrison, 1980). a- Total hemocytes count: The number of cells was counted using a Bà ¼rker- Turk hemocytometer (Van der knap et al., 1981) by using 10  µl of hemolymph of each group. b- Differential hemocytes count: Hemocytes monolayers were prepared according to the method of Abdul-Salam Michelson (1980). c- Biochemical Assays: Activities of aspartate aminotransferase (AST) and alanine aminotransferase (ALT) inShow MoreRelatedQuestions On Materials And Methods1335 Words   |  6 Pages2. MATERIALS AND METHODS 2.1 SYSTEM REQUIREMENTS The prerequisite investigation for this product was separated into different areas. These areas are examined as per the different viewpoints. These were in light of: †¢ Users Viewpoint †¢ Functional Viewpoint †¢ Developer Viewpoint 2.1.1 USERS VIEWPOINT In future, these would be the most vital partners for this item. Customers are the people who will be truly benefit by this assignment. Moreover, they would be passing on over the LAN through differingRead MoreQuestions On Material And Methods849 Words   |  4 Pages 3. Material and Methods 3.1. Measurements At the time of designing the questionnaire process, we reviewed the comprehensive literature and adapted the relevant measures which were verified in the existing studies to formulate the measurement items. First, since every human task can be deputed to a software agent and such agent can perform any procurement activity on behalf of the users, that creates many difficulties to determine and measure all IAT applications in the procurement process. ConsequentlyRead MoreEvaluation Of A Teacher s Methodology1109 Words   |  5 PagesMethodology Methodology is simply the methods in which a teacher will get information and material across to his or her students. Methodology will vary among teachers but a teacher’s methodology will fall under three main categories. Direct instruction methods, indirect instruction methods or a combination of direct instruction and indirect instruction methods. Direct instruction methods involve the following strategies: reviewing previous day’s work, presenting new material, stating the purpose of lessonsRead MoreAc552 W3 Lecture Process Costing Quiz706 Words   |  3 PagesUse the following information for questions 1--10. Top That manufactures baseball-style hats. Material is introduced at the beginning of the process in the Cutting Department. Conversion costs are incurred (and allocated) uniformly throughout the process. As the cutting of material is completed, the pieces are immediately transferred to the Sewing Department. Data for the Cutting Department for the month of February 2005 follow: Work in process, January 31-- 50,000 units 100%Read MoreSociology Essay966 Words   |  4 Pagesinvestigating the effect of material deprivation on educational achievement by using Item B and my own knowledge. Material deprivation is the idea that a lack of money leads to disadvantages, Item B gives an example of ‘low household income, poor housing and a lack of work space in the home.’ An advantage of unstructured interviews would be that it is very informal; therefore, the respondent is more likely to be relaxed. This would be useful when asking them about material deprivation, as it couldRead MoreAnalysis of Article Never Say Anything a Kid Can Say by Steven C. Reinhart801 Words   |  4 Pagesunderstand the material teachers convey to them on a day to day basis? According to a middle school mathematics teacher, his methods of teaching the traditional way was not as effective and producing a long-term impact as he would have liked. The article Never Say Anything a Kid Can Say! enriches us to the possibility of applying slight gradual modifications to our teaching methods and how we could find ways to utilize that information in the search for more effective teaching methods to encourageRead MorePeoplw1467 Words   |  6 PagesDue: Monday 26 March 2012 (Week 6) Weighting: 20% Question 1 (5 marks) You have been employed as an entry-level management accountant for a little under a year. You suspect that your immediate supervisor is involved in a significant fraud involving diverting of company assets to personal use. Briefly describe the steps you might take to resolve this dilemma and use a real world example (not hypothetical) to support your approach. Question 2 (5 marks) Lismore Manufacturing Company had theRead MoreCalifornia Creamery1305 Words   |  6 PagesCalifornia Creamery, Inc. Question 1: Compute the full production cost (per gallon) of the Polynesian Fantasy and Vanilla products using: - A: Will’s old costing method. B: The new costing method (Louise’s suggestion) Ans1: The exhibit 1 is as below: |OVERHEAD COSTS | |Activity |Budgeted Cost ($) |Driver of the Read MoreCalifornia Creamery1290 Words   |  6 PagesCalifornia Creamery, Inc. Question 1: Compute the full production cost (per gallon) of the Polynesian Fantasy and Vanilla products using: - A: Will’s old costing method. B: The new costing method (Louise’s suggestion) Ans1: The exhibit 1 is as below: |OVERHEAD COSTS | |Activity |Budgeted Cost ($) |Driver of the |BudgetedRead MoreImprove Inventory Management To Support Maintenance Management Program1402 Words   |  6 PagesBACKGROUND Material management is one of the main components in the management of all types of companies. Material management plays an important role in supporting the companys performance, which relates to customer satisfaction, cost of production and financial performance. Ruauw (2011) stated that the raw materials required should be sufficient available so as to ensure smooth production. However, should the quantity of inventory it should not be too large so that capital tied up in inventory