Search all articles

The quantitative determination method of seven organic phosphate esters (OPEs) in urine by gas chromatography-mass spectrometry was established and optimized by changing the derivative reaction procedure, the different sample doses and the different extraction reagents. The results showed that the best...

As in recent years, rapid development of mobile phone hardware and operating systems such as Android, ios continue to optimize the market potential of the mobile market is gradually excavated, which created hear Lang stretch of mobile terminal APP. How to promote APP and make targeted deployment according...

The purpose of this project is to develop an operating system based on iOS Sina Weibo iOS client client software.This paper covers the development of Sina microblogging client some knowledge. The design with the Apple system to iOS as a system development and runtime environment, complete system design,...

In this paper, using artificial controlled pot experiment to treat Sonchus arvensis L. with different concentrations of cadmium (Cd), the tolerance of Cd in S. arvensis was studied, and the results showed that with the increase of Cd concentration, biomass rises first and then falls, the chlorophyll...

In the post-epidemic era, short video platforms such as Douyin have developed rapidly, opening up more functions and models. The epidemic is both an opportunity and a challenge, hitting the tourism industry while providing opportunities for the development of tourism-based short videos. This paper adopts...

Double chamber microbial fuel cell with anaerobic and aerobic was used in treatment of coking wastewater. The influence of electrode materials, initial COD and temperature on the power generation performance of microbial fuel cell was investigated. The results shown that, the electricity production performance...

Smart parking systems are a new avenue to address urban parking challenges while maximizing the efficiency of space usage and reducing traffic congestion. This paper performs a systematic literary review (SLR) regarding on-going advancement of smart parking systems, which includes technology-enabled...

Memristor-based computing had emerged as a transformative alternative to conventional CMOS-based architectures, offering unparalleled advantages Regarding the area efficiency, energy usage and computational velocity. This research delves into the design and optimization of memristor-based subtractors,...

In this paper, the generalized countable L-compact sets and generalized Lindelöf sets are introduced in generalized L-topological spaces, based on the notion of generalized L-compactness. They are described by cover form and finite intersection property. They are preserved under generalized L-continuous...

Educational marketing is a promising sector of economy. This marketing seeks to meet the demand for education while bringing prosperity and development to educational institutions. Educational marketing expands every year, as the demand for education evolves. Over the past five years, higher education...

Some new heterogeneous catalysts used to synthesize the tributyl citrate (TBC) and aspirin were prepared and characterized by brunauer-emmett-teller (BET), field emission scanning electron microscope (FE-SEM) and X-ray diffraction (XRD). The effect of temperature, catalyst loading and the concentration...

English as a language, the most basic function is communication and communication, oral English learning is very important. Students in the school of English learning to should try education is given priority to, "dumb" English become the biggest obstacle to learning English. Using APP mobile client...

This paper discusses the knowledge diffusion channels that are basic characteristics of knowledge as a nonequilibrium dynamic system. The knowledge management system role is considered as a way to turn an organization into an environment for knowledge generation through the diffusion of knowledge.

A pilot scale sequencing batch biofilm reactor (SBBR) for treating wastewater was used for the purpose of investigating treatment performance under different aeration flows(10m3/h 12m3/h 14m3/h 16m3/h 18m3/h 20m3/h 22m3/h 24m3/h),by analyzing the changeable concentra-tion of COD NH4+-N NH3--N NH2--N...

In order to study the pollution level and leaching characters of the heavy metals in the soil of lead-zinc mining area, soil sample in a lead and zinc mine of Hunan is taken as study object. The concentration of heavy metals was analyzed byinductively coupled plasma massspectrometry after microwave digestion...

Aiming to the precision, information and intelligence development requirements of modern agriculture, the scheme of environmental parameters monitoring and automatic control for agriculture production based on cloud computation and internet of things is put up. Through sensors, zigbee wireless network,...

The water system of Suzhou ancient city is vertical and horizontal. There are many water networks composed of large and small rivers, which have the functions of production, life and landscape. Taking the landscape water body of Suzhou ancient city as the research object, the national standard analysis...

Vocabulary is one of the three elements of language, as an important position in English learning. Vocabulary has always been the various stages of English teaching's basic and difficulties. Mobile learning breaks through the time and space constraints of the traditional teaching model. The vocabulary...

This paper analyzed the annual change and seasonal variation of Cd in Jiaozhou Bay during 1979-1983. Results showed that the highest values of Cd contents in 1979-1982 were confirm to Grade I (1.00 g L-1) of National Sea Water Quality Standard (GB 3097-1997), yet in 1983 were Grade II. For temporal changes,...

Based on Citespace and literature measurement software and using visual analysis technology, this paper takes the literature on the research field of female images in Yuan Dynasty Miscellaneous Drama in CNKI journals from 1994 to 2023 as the research object. This paper focuses on the authors, institutions,...

In the silent corridors of the internet lies a digital underworld – the Dark Web, where anonymity empowers illicit trade, hidden communications and crimes that transcend physical borders. This study delves into the intersection of technology, law and deviance, examining how India’s existing legal frameworks,...

Rural governance is an important part of the modernization of national governance system and governance capacity, and it is also a key link to realize rural revitalization. In recent years, with the rapid development and popularization of digital technology, digitally empowered rural governance has become...

Location service is a special function in the Android OS, LBS app is an import field in the mobile application development. Using Baidu map SDK as a tool, the Android location service teaching course which comply with the Model-Driven teaching method in pursuit of teaching process repeatability, operability...

The HA composite coating with different TiO2 contents was prepared by electrophoretic deposition in this study. The composite coatings were characterized by scanning electron microscopy (SEM), Ca/P atomic ratio in composite coatings was analyzed by Energy Dispersive Spectrometer (EDS), and the adhesion...

Ozone pre-oxidation removal of MC-LR better, under the condition of pH4,ozone for MC-LR removal of 76.22%,than the original water removal increased by about 11%.With the increasing value of pH, ozone for MC-LR removal decreased, but higher pH beneficial ozone removal of turbidity, UV254, TOC and CODMn....

In this paper we propose a DOA estimation method by combining propagator method (PM) algorithm for co-prime L-shaped arrays. The array contains two uniform L-shaped arrays with the minimum inter-element spacing larger than the half-wavelength, which will cause phase ambiguity. Utilizing the co-prime...

In this study, soy sauce wastewater was treated with SBR process. The effects of culture time, pH and aeration time on the removal of COD were investigated. The SBR process is a biological treatment method with simple structure and nimble operation. In this paper in order to study the removal effect...

The plane strain fracture toughness KIC values of 2124 aluminum alloy plate of T-L and L-T orientation of thickness of 30 mm, 40 mm, and 50 mm were tested by using the standard compact tension specimen. The KIC anisotropic degree and mechanism of different thickness of 2124 aluminum alloy were studied...

The bean products wastewater treatment process has been studied by SBR. Theexperimentstudied effective of reaction timeunder low dissolved oxygen on SBR system. The experimental result indicated that under the condition of influent COD is 330~460mg/L, the reactor has a good degeneration ability of COD,...

We examine the analysis of the Bollinger Band (BB) indicator to beat the market using mining stocks listed on the IDX for the 2019–2023 period. We used 15 research samples and collected the data through investing.com soft- ware. After that, the data analysis technique uses the event study method that...

This study investigates the role of shareholder engagement, proxied by institutional and managerial ownership, and sustainability training in maximizing the extent of sustainability report disclosure. The research focuses on banking companies listed on the Indonesia Stock Exchange (IDX) between 2020...

With the development of the times, the demand for dairy becomes more and more heavily all over the world. Meanwhile, the dairy wastewater is doing more and more harm to the environment. Now the SBR(Sequencing Batch Reactor) process has been widely used in dairy wastewater treatment. The SBR process is...

The increase in the volume of waste that occurred in Balung Anyar Village, Lekok District, Pasuruan Regency made Project STOP a program that contains how to dispose of, sort and process waste, aiming to reduce the volume of waste by disposing of it and increasing public awareness. The purpose of this...

With the speedy development of modern industry, the technology of wastewater treatment plays an essential role in the research of environmental protection science. The tech of Pulsed Arc Electrohydraulic Discharge (PAED) has been intense researched by virtue of its marked treatment effect, low power...

At present, the use of industrial robots has become a powerful means for the transformation and upgrading of China's manufacturing industry, realizing the " robot employment ". With the improvement of production efficiency, it brings frequent safety accidents, and the industrial robot...

Skills social can in a way effective overcome complex problems, such as development Skills social For use practical. As a result of social media, there are risk Wrong interpretation and manipulation of others. Error Which general happen including miscommunication, data security, and problem other. Objective...

The Energy Router based on Solid State Transformer will be wildly used in future smart grid to meet requirements of huge distributed generation and bidirectional power flow. Based on principle study of Energy Internet & Energy Router, this paper analyses the technical requirements of Protection & Control...

The studied results of correlation dimension of spatial patterns of population distribution of L. regale by box-counting dimension show that: 1) in most sample plots the fractal properties of box-counting dimension are significant; 2) in most sample plots the box-counting dimension is small, indicating...

The study addressed the following issues: “How to Analyze Financial Performance in Saving and Loan Cooperatives in West Sulawesi using Cash Availability Proportion and Profitability Proportion. The focus of this research is the financial reporting of the Savings and Loan Cooperative in West...

Cite Space software is used to conduct a visual econometric analysis of 340 pieces of research literature on scientific and technological innovation in colleges and universities in the new era in the China Knowledge Network (CNKI) database from 2013 to 2023. Through in-depth analysis of the basic characteristics...

The development of mobile internet has brought great opportunities of self-improvement, and most people would like to choose an online education APP. At present, online education APPs have become a red sea, and the courses they can provide are similar to each other. Therefore, from the perspective of...

In recent years, artificial intelligence technology has made great breakthroughs. Big data, cloud computing, voice recognition and deep learning have become new concerns in the eyes of the public following the Internet and the Internet of Things. Driven by relevant information and communication technologies,...

The report of the Twentieth National Congress of the CPC puts education, science and technology, and talents into a ‘three-in-one’ overall arrangement and deployment, and for the first time puts forward the important statement that ‘education, science and technology, and talents are the basic and strategic...

Based on the traditional ecological composite wall, expanding composite wall is put forward in this paper. Based on the tests of five pieces of 1/2 scaled expanding composite wall under low-cycle lateral loading, the bearing capacity, ductility, hysteretic characteristics, and stiffness degradation performance...

This research examines the factors behind the occurrence of the student errors in learning German. The method used is descriptive qualitative. The factors that cause errors are from the first formally studied language (L 1) and because of the complex rules of the language being studied (L 2). Two types...

The internal space bottom interface, which is the basic element of indoor surrounding space, needs to meet the demands of not only basic activities but also peoples´ spiritual enjoyment with the development of construction technology and the improvement of people, s view of beauty. By studying the decorative...

The effect of calcium ion on peony aging was studied. Different four calcium ion concentrations (0mmol/L,100mmol/L,250mmol/L, 500mmol/L) was setted. Leaf of the peony Roufurong on same growth period was cultured in vitro, Chlorophyll concentration was measured per four days. The results revealed that...

Different temperature and time parameters were adopted in the stress relieving annealing processes of 5B70 and 5A06 aluminum alloys. Then, the mechanical properties and the variation regularity of residual stress of 5B70 and 5A06 aluminum alloys before and after stress relieving annealing were studied....

With the rapidly shifting dynamics of the current market, the companies are seeking a more thorough method to research the preferences of their target market. As such, data mining models of user segmentation are often utilized to fill up the broadcasting and television research areas. This paper proposes...

The transformed situation of the content of astragaloside, flavonoids, saponins in two-year-old astragalus membranaceus (Fisch) Bge. has been studied through the treatment of astragalus seed-coating by different concentrations (2%, 4%, 6% and 8% of seed dry weight) and the double controls of seed coated...