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Over decade industrial gases across the world have a high-risk index, becoming considered one of the most worrisome environmental problems in the world. On the consequences of concern these industrial gases that emit the greenhouse effect and that in the long term they harm the environment. These are some factors that are dangerous to humans, causing respiratory problems, as well as death fromvarious diseases originated by these gases, on other hand, the soil is also affected causing the ability to absorb nutrients to decrease or become non-fertile soil or dead. Therefore, there is a necessity to analyze the possible solutions. Under this study evaluation of the parameters to prevent these environmental variants using Long Range-IoT based components to be able to process the information and visualize them through graphics using an application to avoid and warn the effects of harmful gasses using sensors. [ABSTRACT FROM AUTHOR]

Carbon Nanotube FET promises successful Si-CMOS technology due to high ballistic speed,improved power delays, fast switching speed and your excellent electrical properties. TheExistence of metallic tubes adversely affects the CNT-based circuit output, leakage power,delay capacity. In this work, we will look at the design and modelling of a 12-phase voltagecontrol oscillator (VCO) circuitthat uses tiny metal tubes to suspend transistor stacking. Also, we will consider the chemical embedding of metal tubes to improve VCO performance. [ABSTRACT FROM AUTHOR]

In this study we discussed Challenges and Constraints of WSN and different types of attack in the Wireless Sensor Node (WSN) networks. WSN is an ad-hoc low-cost and low-power wireless network in which sensor nodes work together to track and collect data from their surroundings before broadcasting it to other nodes. WSN's sensing and ubiquitous computational capabilities opened up a slew of new uses, expanding research opportunities. WSN has been used in a variety of settings, should include military, land, hygiene, and inventory management. Although energy is a significant factor for sensor nodes, a new form of attack has been identified that destroys the networks by draining the sensor network's battery life. This kind of power draining attack is referred to as a "Vampire attack", and it is not exclusive to any routing protocol. This study examines several strategies for detecting and mitigating this attack, which increases network energy usage, as well as principles for limiting the harm caused by vampires. [ABSTRACT FROM AUTHOR]