环境温度和光照监测及控制装置的设计与实现The Designing and Realizing of the Detection and Control of Environment Temperature and Optical Intensity

2012 ◽  
Vol 02 (03) ◽  
pp. 138-141
Author(s):  
杨 桃香
2012 ◽  
Vol 594-597 ◽  
pp. 1093-1097
Author(s):  
Tao Xiang Yang ◽  
Shi Liang Bi

This device is designed to monitor the temperature and optical intensity in specific entironment and situation, and then to carry out the related follow-up treatment and control. The device is based on microcomputer AT89S52 to manage the information collected by the temperature sensor monolithic integrated circuits DS18B20, light intensity sensors and light-sensitive resistance. And the managed result is displayed by the man-machine interface FYD12864 . After that,the collected data is analysed and compared with the predicted data ,and then it will give an alarm when the data exceeds the provided standard..


2018 ◽  
Vol 197 ◽  
pp. 11017
Author(s):  
Budhy Setiawan ◽  
Riska Nur Wakidah ◽  
P Raden Edy ◽  
D Annisa Maulidia ◽  
Yulianto Yulianto ◽  
...  

Sun energy in Indonesia is 5Kwh/m2/day average per year. This alternative energy can be convert to solar thermal up to 80% efficiency, the percentage is highly significant compare to electric conversion that only has 20%. To provide any process requirement for heating, an empirical research of reflective array accumulator has been done, so that a design simulation for the accumulator has to be held. The accumulator can be used as a heat energy supplier for drying, egg hatching, food oven and other requirement. The sun energy trapping method is a reflective array. This method aims to maximize the energy captured and stored in an accumulator and has to be maintained for 24 hours by opening and closing the array. This simulator will calculated and control some input such as water mass, accumulator temperature, environment temperature, humidity and sun intensity. The array control performance to watch diffuse solar light intensity by time. The result of the simulation will give absorption storage capability, insulation capability to watch sun energy performance per day. It is expected that with the simulation, it can simplify the design of the accumulator and improve the efficiency of heat energy storage. The absorption capability perform 72%.


2017 ◽  
Vol 2 (2) ◽  
pp. 62
Author(s):  
Rakhamanto Wahyu Nugroho ◽  
Suharyo Hadisaputro ◽  
Widiastuti Samekto ◽  
Sugiri Sugiri ◽  
Djoko Trihadi Lukmono

Background : Given the magnitude of high-risk DM throughout Hajj embarkation and pilgrims hospitalization in Saudi Arabia, we need for prevention and control of DM pilgrims hospitalization case in Saudi Arabia. To prevent and control the incidence of hospitalization, public and the government needs to know the various factors that influence the incidence of hospitalization.Methods : The study was observational with case control study design. The study population is the assembly of DM in Adisumarmo Hajj embarkation. Number of samples of 135 people with 45 cases and 90 controls. The dependent variable is inpatient diabetic in Saudi Arabia , the independent variable is demographics (age, gender, education level), comorbidities (hypertension, heart disease, dyslipidemia, stroke, obesity), behavior (compliance with diet and medication), the knowledge, long suffered diabetic, environment (temperature and duration in Saudi Arabia.Results : Most respondents had long suffered from diabetes. The level of compliance of respondents to the diet DM and DM medication adherence is good. Multivariate factors that influence the incidence of hospitalization DM pilgrims in Saudi Arabia is a dietary adherence (p=0.001, OR=14,95% CI= 2.78 to 70.97 ) and knowledge (p = 0.003, OR = 6.5; 95% CI=0.59 to 4.51).Conclusion : Factors that influence the incidence of DM pilgrims hospitalization in Saudi Arabia is a dietary adherence and knowledge.


2013 ◽  
Vol 141 (11) ◽  
pp. 2317-2327 ◽  
Author(s):  
B. D. DIMITROV ◽  
D. VALEV ◽  
R. WERNER ◽  
P. A. ATANASSOVA

SUMMARYData on the dynamics of malaria incidence, admissions and mortality and their best possible description are very important to better forecast and assess the implementation of programmes to register, monitor (e.g. by remote sensing) and control the disease, especially in endemic zones. Semi-annual and seasonal cycles in malaria rates have been observed in various countries and close similarity with cycles in the natural environment (temperature, heliogeophysical activity, etc.), host immunity and/or virulence of the parasite suggested. This study aimed at confirming previous results on malaria cyclicity by exploring whether trans-year and/or multiannual cycles might exist. The exploration of underlying chronomes (time structures) was done with raw data (without smoothing) by linear and nonlinear parametric regression models, autocorrelation, spectral (Fourier) and periodogram regression analysis. The strongest cyclical patterns of detrended malaria admissions were (i) annual period of 1·0 year (12 months or seasonality); (ii) quasi-biennial cycle of about 2·25 years; and (iii) infrannual, circadecennial cycle of about 10·3 years. The seasonal maximum occurred in May with the minimum in September. Notably, these cycles corresponded to similar cyclic components of heliogeophysical activity such as sunspot seasonality and solar activity cyclicities and well-known climate/weather oscillations. Further analyses are thus warranted to investigate such similarities. In conclusion, multicomponent cyclical dynamics of cerebral malaria admissions in Papua New Guinea were observed thus allowing more specific analyses and modelling as well as correlations with environmental factors of similar cyclicity to be explored. Such further results might also contribute to and provide more precise estimates for the forecasting and prevention, as well as the better understanding, of the dynamics and aetiology of this vector-borne disease.


Author(s):  
Leilei Guo ◽  
Guojun Yang ◽  
Zhengang Shi ◽  
Xingnan Liu ◽  
Suyuan Yu

High-temperature gas-cooled reactor-pebble bed module (HTR-PM) of China, based on the technology and experience of the 10MW high-temperature gas-cooled reactor (HTR-10), is currently in the design and experiment phase. The helium blower is the key equipment in the first loop of the HTR-PM. Active magnetic bearings (AMBs) are replacing ordinary bearings as the perfect sustaining assembly for the helium blower because they have several advantages: they are free of contact, do not require lubrication, are not subject to the contamination of wear, have endurance, and control performance very well. So the AMB is the appropriate supporting assembly. The rotor’s length of the helium blower is about 3.3 m, its weight is about 4000 kg and the rotating speed is 4000 r/min. The maximal radial load of the upper AMB or the lower AMB is about 1950kg, and the maximal axial load is about 4500kg. So the axial and radial AMBs must have enough carrying capacity to support the rotor. It is difficult to design the AMB in limited space. Many factors may restrict the AMB design, for example, clearance between AMB and rotor, electric current, and environment temperature, etc. In this paper, design of magnetic field will be analyzed. Heat loss of AMB will be discussed. The designing scheme of magnetic field will offer the important theoretical base for AMB design of the helium blower of HTR-PM.


2014 ◽  
Vol 687-691 ◽  
pp. 1814-1818
Author(s):  
Yi Jun Chen ◽  
Li Yin

Network is the foundation of education informationization, supporting campus teaching and scientific research. Data center functions as the nerves center of the whole network that plays the crucial role for the stable operation of the network. Thus it should be guaranteed stable operation. Regarding to the problem that high-precision air conditioner remains high energy consumption of the entire data center, embedded web system - based technology is put forward in this paper. The technology uses MSP430 microprocessor, CS8900A network chip and temperature humidity sensor to construct long-distance intelligent monitoring system based on Zigbee terminal node equipment. Consequently it can be realized that high-precision air conditioner can be conducted quadratic optimal control through the system of the sum of environment temperature acquisition and control, and air condition linkage feedback. It is stated by the results that PUE of data center is reduced and a green and energy-efficient data center can be built by deploying the system.


2017 ◽  
Vol 2 (2) ◽  
pp. 62
Author(s):  
Rakhamanto Wahyu Nugroho ◽  
Suharyo Hadisaputro ◽  
Widiastuti Samekto ◽  
Sugiri Sugiri ◽  
Djoko Trihadi Lukmono

Background : Given the magnitude of high-risk DM throughout Hajj embarkation and pilgrims hospitalization in Saudi Arabia, we need for prevention and control of DM pilgrims hospitalization case in Saudi Arabia. To prevent and control the incidence of hospitalization, public and the government needs to know the various factors that influence the incidence of hospitalization.Methods : The study was observational with case control study design. The study population is the assembly of DM in Adisumarmo Hajj embarkation. Number of samples of 135 people with 45 cases and 90 controls. The dependent variable is inpatient diabetic in Saudi Arabia , the independent variable is demographics (age, gender, education level), comorbidities (hypertension, heart disease, dyslipidemia, stroke, obesity), behavior (compliance with diet and medication), the knowledge, long suffered diabetic, environment (temperature and duration in Saudi Arabia.Results : Most respondents had long suffered from diabetes. The level of compliance of respondents to the diet DM and DM medication adherence is good. Multivariate factors that influence the incidence of hospitalization DM pilgrims in Saudi Arabia is a dietary adherence (p=0.001, OR=14,95% CI= 2.78 to 70.97 ) and knowledge (p = 0.003, OR = 6.5; 95% CI=0.59 to 4.51).Conclusion : Factors that influence the incidence of DM pilgrims hospitalization in Saudi Arabia is a dietary adherence and knowledge.


Author(s):  
R. R. Dils ◽  
P. S. Follansbee

Electric fields have been applied across oxides growing on a high temperature alloy and control of the oxidation of the material has been demonstrated. At present, three-fold increases in the oxidation rate have been measured in accelerating fields and the oxidation process has been completely stopped in a retarding field.The experiments have been conducted with an iron-base alloy, Pe 25Cr 5A1 0.1Y, although, in principle, any alloy capable of forming an adherent aluminum oxide layer during oxidation can be used. A specimen is polished and oxidized to produce a thin, uniform insulating layer on one surface. Three platinum electrodes are sputtered on the oxide surface and the specimen is reoxidized.


Author(s):  
D. M. DePace

The majority of blood vessels in the superior cervical ganglion possess a continuous endothelium with tight junctions. These same features have been associated with the blood brain barrier of the central nervous system and peripheral nerves. These vessels may perform a barrier function between the capillary circulation and the superior cervical ganglion. The permeability of the blood vessels in the superior cervical ganglion of the rat was tested by intravenous injection of horseradish peroxidase (HRP). Three experimental groups of four animals each were given intravenous HRP (Sigma Type II) in a dosage of.08 to.15 mg/gm body weight in.5 ml of.85% saline. The animals were sacrificed at five, ten or 15 minutes following administration of the tracer. Superior cervical ganglia were quickly removed and fixed by immersion in 2.5% glutaraldehyde in Sorenson's.1M phosphate buffer, pH 7.4. Three control animals received,5ml of saline without HRP. These were sacrificed on the same time schedule. Tissues from experimental and control animals were reacted for peroxidase activity and then processed for routine transmission electron microscopy.


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