Ngày tải lên: 04/10/2013, 19:10
... Young 楊中平 8051 MICROCONTROLLERS The 8051 Microcontroller and Embedded Systems: Using Assembly and C Mazidi, Mazidi and McKinlay Department of Computer Science and Information Engineering National ... that the code for the CPU to move a value to register A is B0H and the code for adding a value to register A is 04H The action to be performed by the CPU is to put 21H into register A, and then ... computing needs of the task at hand efficiently and cost effectively ắ Speed ắ Packaging ắ Power consumption ắ The amount of RAM and ROM on chip ắ The number of I/O pins and the timer on chip ắ...
Ngày tải lên: 20/01/2014, 03:20
The principles of toxicology environmental and industrial applications 2nd edition phần 9 pdf
Ngày tải lên: 09/08/2014, 16:20
EPA Office of Compliance Sector Notebook Project Profile of the Pulp and Paper Industry 2nd Edition pdf
... the acid stage of the bleaching process increase the whiteness of the pulp. The alkaline extraction stages dissolve the lignin/acid reaction products. At the washing stage, both solutions and ... Figure 2 presents the employment and value of shipments for both the primary and secondary portions of the paper and allied products industry. Taken together, the industry is among the top 10 U.S. ... experimental phase. The precise details of the chemical processes at work in the chemical recovery process can be found in Smook, Handbook for Pulp and Paper Technologists, 2nd Edition, 1992 and will...
Ngày tải lên: 18/03/2014, 02:20
The principles of toxicology environmental and industrial applications 2nd edition phần 1 ppt
... order, and the chemicals have been listed alphabetically. So, the three chemicals you believe to be the safest, should have the three largest doses (you should rank them as 1, 2, and 3), and the ... which the animals are exposed. Both of these characteristics of the response—organ type and severity—also change as one changes the species being tested from the mouse to the rat. In the mouse the ... chemical absorbed into the bloodstream passes through the liver before it perfuses other organs within the animal. If the capacity of the liver to metabolize the chemical within the bloodstream is...
Ngày tải lên: 09/08/2014, 16:20
The principles of toxicology environmental and industrial applications 2nd edition phần 2 ppt
... OF THE BLOOD between liver and intestine is also included in the model. These features of the model are choices made by the model developer, and reflect the known physicochemical behavior of the ... sulfation in the cytoplasm). The enzymes are therefore considered in the following paragraphs by the nature of the chemical reaction that they catalyze, and only for phase I oxidations is the subcellular ... metabolism. Once in the liver, the highly vascular nature of the tissue and the intimate contact between blood and hepatocytes, which contain the xenobiotic metabolizing enzymes, allows for the rapid diffusion...
Ngày tải lên: 09/08/2014, 16:20
The principles of toxicology environmental and industrial applications 2nd edition phần 3 pps
... secretion The rates of glomerular filtration and tubular secretion are dependent on the concentration of the drug in the plasma, and the rate of reabsorption by the tubules is dependent on the concentration ... origin, that is, whether they arise from epithelial or mesenchymal tissue, and by the specific cell type from which they originate. The nomenclature for naming tumors is complex, and the reader is ... named on the basis of tissue of origin and their appearance. For example, benign tumors of epithelial origin with gland, or glandlike structures are called adenomas , and in the liver these can...
Ngày tải lên: 09/08/2014, 16:20
The principles of toxicology environmental and industrial applications 2nd edition phần 4 ppsx
... inhaled agents deposit in the lung, and these factors alert the phagocytic cells to the location of the agents. The macrophages then engulf them and attempt to ingest them with proteolytic enzymes. ... oviductal and uterine motility and immobilization of the cilia lining the oviduct. The pertinence of these observations to human exposures and the observed effects of smoking are not clear. However, the ... embryonic development occur in the uterine tube, and then the embryo moves down to the uterus to implant. All of this transport requires a patent lumen in the oviduct, and the movement occurs due to...
Ngày tải lên: 09/08/2014, 16:20
The principles of toxicology environmental and industrial applications 2nd edition phần 5 ppsx
... The significance of the mutations varies with the type of cell, and the location within the DNA. If the cell is of somatic lineage, altered gene products can result from gene expression. If the ... are favorable, cells enter the synthesis (S) phase of the cycle, where the entire genome of the cell is replicated during DNA synthesis. Following S phase, cells enter the Gap 2 (G 2 ) phase before ... from another chromosome, an “ exchange figure” results. This theory assumes that the initial lesion is not a break and that the lesion can either be repaired directly or may interact with another...
Ngày tải lên: 09/08/2014, 16:20
The principles of toxicology environmental and industrial applications 2nd edition phần 6 pps
... foods. The committee refers to various studies, including the National Health and Nutrition Examination Surveys (NHANES, the recent study of pesticides in the diets of infants and children, and the ... pH (the concentration of H + ions), pOH (the concentration of OH – ions), the presence of other charged particles or ligands, oxidizing or reducing conditions, temperature, and whether the ... lymphoma and from melanoma are also increasing. These data were confirmed in the 1999 joint release from the CDC, NCI, and ACS. As awareness of environmental contamination and the ubiquity of synthetic...
Ngày tải lên: 09/08/2014, 16:20
The principles of toxicology environmental and industrial applications 2nd edition phần 7 pptx
... effective anesthetics, and this property increases with the molecular size. The utility of this property is, however, limited by the irritant effects of ethers, and the fact that they are easily ... the capacity to cause general anesthetic effects, inhibit activity in the brain and the spinal cord, and lower functional capacity, render the individual less sensitive to external stimuli, and ... solvent intermediate in the preparation of aniline, benzidine, and other chemicals, in shoe and metal polishes, and as a solvent. The vapor is readily absorbed through the skin and lungs. Following...
Ngày tải lên: 09/08/2014, 16:20
The principles of toxicology environmental and industrial applications 2nd edition phần 8 pot
... addition, that is, if they lie above and to the right of the dose-addition line, a synergistic effect can be inferred. On the other hand, responses below the line and to the left indicate antagonism. From ... to the bothersome irritation caused by the fine bristles lodged in the skin. Another stinging annelid, used as fishing bait in the New England area, is the blood worm Glycera dibranchiata . The ... interaction among the chemicals; that is, in the absence of evidence to the contrary, the chemicals are assumed to act independently—each neither enhancing nor reducing the effect of the others. Chemicals...
Ngày tải lên: 09/08/2014, 16:20
The principles of toxicology environmental and industrial applications 2nd edition phần 10 pptx
Ngày tải lên: 09/08/2014, 16:20
GMAT - the equations, inequalities, and vics guide 4th edition(2009)bbs
Ngày tải lên: 24/07/2013, 11:00
Tài liệu How to prepare for the toefl essay 2nd edition part 9 pdf
Ngày tải lên: 14/12/2013, 21:15
Tài liệu How to prepare for the toefl essay 2nd edition part 10 pdf
Ngày tải lên: 14/12/2013, 21:15