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The paper introduce the photolithography technology. First, the writer explain the process of photolithography. a modern wafer (form IC) will go through a photolithography cycle up to 50 times, some 100 times more. then, the article illustrate photoresist , photoresists are classified two groups :positive...

By predicting the propagation of Ebola, we can find a better way to control the spread of the virus. Unlike traditional SIR model, we consider the patients under incubation period and antibody carriers after cure in our model. To begin with, we apply five classifications to sample individuals (i.e. the...

The Cu doped TiO2 photo-catalyst TiO2-Cu was prepared by microwave hydrothermal method(MHM) and its photo-catalytic degradation activity in the microwave radiation and ultraviolet irradiation (MW-UV) was investigated. The best conditions of preparing TiO2-Cu were obtained by optimizing the reactive condition....

On the purpose of measuring Newton rings deformation stress and the intelligentialize of the newton rings apparatus, a Variable Gain Amplifier circuit which is based on a low power, general purpose instrumentation amplifiers INA128 offering excellent accuracy was designed to amplify the low frequency...

Frequent high temperature has become an important agricultural meteorological disaster to the middle-season rice yield and quality in southwest China where has hot rainy season and obviously three-dimensional climate. This paper analyses the meteorological data of more than 70 weather stations in southwest...

Machine learning methods are promising tools to transient stability assessment (TSA) of power system. Support vector machine (SVM) is used to assess the transient stability of power system after faults occur on transmission lines. Single machine attributes were studied as inputs of the SVM classifier....

In this paper, Edible Podded Pea seed is taken as the test plant to explore the influence on growth of pea seedlings in different dilution ratio of biogas slurry. The study shows that the biogas slurry with dilution ratio being 1:50 contributes significantly to the emergence rate and seedling length...

Ecotourism is one of the tourism sub-sectors that are visited by many tourists. The government and local communities must cooperate in the development of ecotourism. Pakpak Bharat Regency, with an area of 80.51% is forest area, has great potential for the development of the ecotourism sector. Lae Mbilulu...

Water sources are increasingly threatened by pollution from rapid urbanization, industrial discharge, and agricultural runoff, which introduce harmful contaminants into aquatic ecosystems. Due to their durability, irregular morphology, and possible hazards to the environment and human health, microplastics...

( )-Epigallocatechin-3-gallate (EGCG), a major compound of tea polyphenols it has exhibited an antioxidant activity in previous studies. Cu2+ can be a center ion in complex reaction with EGCG and affect its antioxidant capacity as well. To investigate the effects on antioxidation of EGCG after add Cu2+...

In this research, a series of anionic low-gloss waterborne polyurethanes were prepared, and their surface structures were studied. Samples were prepared with terminal hydroxyl polydimethylsiloxane (PDMS), polyethy-lene glycol (PEG) of different molecular weight, toluene diisocyanate (TDI), dimethylolpropionic...

Overs the last few years, several rocky hills have undergone voluminous mass movements in the Yaounde area. A first check analysis of rock and slope properties suggests that rockfalls or collapses are the most likely mode of failure in this area. This paper considers the feasibility of using RocFall3...

The purpose of this research is to determine the relationship between parenting self-efficacy and caregiver burden that occurs in the sandwich generation. This is quantitative research with Burden Scale used to determine the Family Caregivers short-version scale and Parenting Sense of Competence of 110...

The issue of this study is that many students of Sports Science Faculty do not maximized their capability of physical condition. The aim of this study is to determine the effect of circuit training methods on improving physical conditions. This quasi-experimental research involved 9 students. The data...

A fast, eco-friendly and reliable method combining dispersive liquid-liquid microextracion (DLLME) with capillary gas chromatography (GC) was developed for the simultaneous determination of p-dichlorobenzene (p-DCB), o-dichlorobenzene (o-DCB), nitrobenze (NB), 1,2,4-trichlorobenzene (TCB), and 3-nitrotoluene...

China resources that can be used in the construction industry accounts for 40% ~ 50% of the national resource used, energy accounted for about 30% of the total energy consumption of the whole society [1]. Only according to the terminal energy consumption to calculate the greenhouse gas emissions,At present...

In this study, using the technology of statistical and geographic information system as the main research methods study characteristics of temporal and spatial distribution of Sandstorm in Inner Mongolia, by analyzing from the characteristics of a wide range of dust weather and through on a longer time...

In the age of digital transformation, intelligent financial technology encompasses artificial intelligence (AI), Big Data Analysis, blockchain, and machine learning. The efficiency and availability of financial services are increasing, and risks take on unprecedented characteristics. This study examines...

Halal tourism is growing segment that represents a potential niche. It a field of study that is still in its very early stages, however, on a practical level, the number of halal products and services is starting to increase worldwide. This study aimed to analyze the index and the sustainability status...

An in situ reduction method has been used to synthesize NiO-Sm0.2Ce0.8O1.9 (NiO-SDC) nanocomposites for SOFC anodes. The effect of NiO content on the crystalline phase, crystallite size, and average particle size is investigated. The anode-supported solid oxide fuel cells have been fabricated from the...

This study aims to determine the profile of scientific literacy in student’s Junior High School1 Kesamben with local wisdom. This research was quantitative descriptive research. This research was conducted at Junior High School 1 Kesamben. The sample used was random sampling, which was class VIII students...

Despite the question of traditional medicine, botany or pharmaceutical research, the identification of medici- nal plants is one of the primary ones because of morphological similarity, localism as well as the requirement of a complex system of botanical knowledge. In this paper, the median explainable...

Urban and rural population mobility is an important part of population movement. Linear algebra and its related application models are the main tools for studying the migration and changes of urban and rural populations. The purpose of this paper is to use Markov chain matrices to study the trend of...

Ozone pre-oxidation can effectively degrade MC-LR, 2mg / L ozone for MC-LR removal efficiency of 65.28%. 2mg / L ozone for MC-LR removal efficiency reach to 65.28%. Ozone also has a better removal effect for turbidity and UV254 , 4mg / L ozone for UV254 and turbidity removal efficiency are 50% and 59.38%....

In recent years, more and more wind farms in China, increasing the potential for seismic vulnerability. The operation and damage status of wind turbine towers under seismic action is classified into four levels: intact, temporarily out of operation, permanently out of operation, and collapse. A finite...

Targeting the structural challenges inherent in higher vocational Hotel Arabic teaching—specifically rigid curriculum sequencing, the disconnection between content supply and industry standards, and the imbalance of cognitive load—this paper proposes an Entropy-Based Adaptive Ant Colony Optimization...

At present,in order to solve the data leakage of a hardware encryption system for mobile hard disk and the changing key that is not flexible,the hardware encryption system for mobile hard disk drive based on FPGA—AES system is designed and implemented.This method not only achieves the real-time encryption...

Landslide is a common kind of geologic hazards, which is a very serious potential threat for security operation of power system. Therefore it is valuable to research and develop a landslide online monitoring system to monitor landslide which lies very close to power tower. Based on current research,...

One of the main ways to increase the efficiency of traditional heat supply systems is the transition to alternative energy-saving technologies for the production of heat energy based on the use of unconventional and renewable energy sources and in particular wind energy. In this case, wind energy may...

This paper used parallel test of single factor to investigate preparation method, the excipient, the water-soluble filler, the wetting agent and the drug loading for Pulsatilla Chinensis (Bunge) Regel total saponins-hydroxypropyl- -cyclodextrin inclusion compound pellets. The results showed that the...

Based on Law Number 19 of 2003 concerning State Owned Enterprises Article 11 states that: “Against Persero all provisions and principles that apply to limited liability companies apply as stipulated in Act Number 1 of 1995 concerning Limited Liability Companies” Therefore the State Owned Enterprises...

The low speed of freestyle swimming of SMK N 5 Padang students was the matter of research. This study aims at determining of contribution of leg muscle strength (X1) and height (X2) towards the speed of 40 meter freestyle swimming(Y). This quantitative research used ex post facto type. The population...

The effect of gangue content on concrete strength and elastic modulus was studied in this paper and the mathematical model of modulus calculation was built up for gangue concrete. In the tests, concrete specimens in four strength grades of C20-C50 were prepared using equivalent replacement with substitution...

Many women experience anxiety when entering menopause due to a lack of understanding of this phase. They often worry about impending physical and sexual changes, such as decreased sexual arousal and cessation of reproductive abilities. Additionally, hormonal fluctuations can affect their emotions, making...

Climate is an important factor that affects the production and life. The ecological environment in the northwest Yunnan is fragile, which is greatly affected by climate change. This study is based on the analysis of climatic indexes from 1950 to 2013 in northwest Yunnan, Using SPSS means to deal with...

The aim of this research is to find out whether or not elementary school age children are often told stories. This research method uses a quantitative approach with survey methods. The research subjects were all students of class IV and V from SDIT Ulil Albab, Kamal District, Bangkalan Regency, totaling...

Aiming at the problem of wastewater treatment system, the Navier-Stokes equations of incompressible flow were calculated by one-direction staggered grid method. The reason and inhibiting method of the unreasonable pressure field was dicussed in the article. The expressions of correction equations of...

Coffee beans are essential material standard for coffee making. Before processed for consumed, the first step must be done is sorting. The purpose of sorting is to separate coffee beans by the size or destroyed or broken beans. This process is imperative for better tasting of coffee drinks. For most...

The optimum conditions for the enzymolysis were as follows: temperature 50 , pH 6.0, time of hydrolysis 5h, the optimum conditions were as follows: temperature 50 , pH 6.0, The amount of enzyme was 6000U / g, and the degree of hydrolysis of the collagen deer velvet collagen was 15.49%. The molecular...

This article, continuing the series of publications of the author on the subject “Tolstoy in Italy”, presents the material on the problem of apprehension of Leo Tolstoy’s work by the Italian literary criticism of the 50–70th of the 20th century. In Italy and other countries, the name of Leo Tolstoy,...

Wood char is a carboneous pyrolized product which can used as both adsorbent and catalyst matrix. Quality of the wood char can be improved by activation, oxidation, and modification using oxide metals. Those treatment can increase its porosity, acid functional groups, and Lewis site, respectively, which...

The Standardized Precipitation Evapotran- spiration Index (SPEI) was used as the indicator of drought, calculating the monthly precipitation and monthly mean temperature among the 109 weather stations in Inner Mongolia from 1961 to 2010 to obtain the SPEI value of each site at the time scale of 12 month....

This article do research into experimental technology of corrosion simulation at high temperature and high pressure and has formed an integral set of simulating experimental device basing on the technology. This technology includes injection system, simulated reaction still, research on vapour-liquid...

Objective: To investigate the characteristics of muscle and fat content and distribution among middle-aged and elderly residents in the XX District of G City, and to provide a scientific basis for improving the health level of this demographic in G City. Methods: A total of 413 middle-aged and elderly...

Polyaniline is one of the conductive polymers that can be funcionalized as a sensitive layer on quartz crystal microbalance (QCM). The sensitivity of polyaniline can be enhanced via dedicated its morphology. The plasma oxygen treatment is used to modify the surface of polyaniline coating. The purpose...

The action of concentrated loads on spherical shell has been widely studied. The solution for a concentrated normal force was first obtained by E. Reissner in 1946 by using the classical theory of shallow shells. This problem was also considered by S.P. Timoshenko (1946), Stanislaw Lukasiewic (1979),...

The large power transformer will operate under low temperature in Inner Mongolia, Xinjiang and Northeast provinces in China. In order to study the breakdown characteristics of transformer oil-paper insulation at low temperature, a high-voltage and low-temperature test system for transformer oil-paper...

This study aims to determine the effect of attitudes, subjective norms and perceived behavioral control on turnover intentions generation z employees of Bank BRI Region Padang. The data collection of this research took place in July 2022. This research used quantitative research methods provide five...

In the theory of linguistic politenesss, both in Brown and Levinson’s off-record strategy and Leech’s irony principle, implicature strategy is considered as a strategy to convey criticism politely. However, in the theory of communication ethics, aspects of truthfulness, relevance, and informativeness...

Taking overlap joint as the object, it simulates welding process. And it obtains residual stress and distribution curves. By simulating the equivalent form of tack welding, it discusses the influence of tack welding by XYZ displacement constraint, X displacement constraint, node matching and adhesive...