Wednesday, February 26, 2020

To carry out study of Wireless Sensor Network in comparison three Essay

To carry out study of Wireless Sensor Network in comparison three different companies - Essay Example The first company I have chosen is the Petro-Chinas Xinjiang Dushanzi Petrochemical Company manages one of the major petrochemical schemes in China. The current plant will process sulfur-containing rudimentary oil supplied in the course of pipeline from Kazakhstan. This plant has the capacity to sanitize 10 million tons of oil and generate 1.2 million tons of ethylene for each year. This plant has installed the Wireless Sensor Network for several working purposes. For instance fixed gas recognition systems comprise a number of sensor heads that are linked to a programmable logic controller and power lines in the course of an explosion-proof stream. They have adopted the RAE Systems that is a foremost universal supplier of swiftly deployable sensor networks that assist consumers to distinguish security and safety threats in real time. Products contain multi-sensor chemical recognition, wireless gas projection, radiation and digital video inspection networks for homeland safety and man ufacturing applications. It also provides cost effectual way out to lots of industrial works. The application of Wireless Sensor Network provides numerous advantages to the Petro-China. Their average production is better than the average production capability of the Petro-China. The safety and security standards have enhanced. The user friendly wireless interface has facilitated the workers to handle and work more easily. The second company I have selected is the Pemex Gas Petroquimica Basica or PGPB that is the division of the Mexican National Oil and Gas Company that is in charge of exploration and sanitization the gas and fundamental petrochemicals all over the country. PGPB has economically managed its huge network of pipelines with a control centre situated in Mexico City and has a big section of the pipeline incorporated into their

Monday, February 10, 2020

Processing the Crime Scene and Establishing Identity Essay - 3

Processing the Crime Scene and Establishing Identity - Essay Example However, when using this method the investigator must be careful not to overdevelop the finger prints. 2. There are many types of evidence in crime investigation that should be documented, collected and preserve. The impressions such as finger prints and forensic biology such blood, and body fluid must also be collected. The trace evidences and firearms evidences which include gun powder patterns are needed. Lastly, the question documents must be kept safe. When documenting, collecting and preserving evidence of the crime scene we must make sure that we follow local, state and federal laws for collection and admissibility. The evidences such as drugs, paraphernalia or personal property shall be recorded, collected, and safeguarded in presence of a witness. The investigator shall also participate in the scene debriefing to make sure that responsibilities are well communicated especially those that are post-scene. There should also be markings of the detectives because this will be used in trial and this is the way to prevent any contamination of the evidences and assure that the evidences presented are