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A new linear 10-undecenoic acid-based diol and a chain extenders with 12C dangling chain length were synthesized via thiol-ene coupling and esterification reaction. In order to investigate the effect of the 10-undecenoic acid-based diol chain extender, the mole percent of the 10-undecenoic acid-based...

To evaluate and optimize the thermal comfort of a kitchen environment, the effect of the fresh air system of range hood is analyzed quantitatively by means of experimental and numerical approaches. The thermal comfort of kitchen is assessed by both indexes PMV (expected mean thermal sensory index) and...

Purpose: to discuss the function of polydatin on regulating blood-lipid and anti-atherosclerosis. Method: feed rats with high-fat diet to establish early atherosclerosis model, after the model is established successfully, feed with high, medium and low dose of polydatin (160 80 40mg•kg-1•d-1), 8 weeks...

In order to adapt to the development and changes in the era of big data, many industries are undergoing reforms or are about to face reforms, including the education industry. In the era of big data, the teaching informatization level of many teachers needs to be improved, and the educational informatization...

To enrich the basic theory of the reductive decomposition process of PG(phosphogypsum), emphasis was laid on the exploration of the impact of the main impurities on the process. Firstly, the simulation computation was done on the systems of pure gypsum mixed with coal with or without impurities under...

The article defined the values of statokinetic steadiness indices among disabled children from 5 to 14 years old with motor disorders (ICP (infantile cerebral paralysis)) during vertical position taking. With the help of computer posturography at “Stabilan-1” apparatus the following tests were held:...

The adsorbent H8Nb22O59•8H2O and its precursor Rb8Nb22O59 were prepared to produce high-purify NaCl. Their characteristics were studied by X-ray diffraction (XRD), thermogravimetric and differential scanning calorimetry (TG-DSC) and scanning electron microscope (SEM). Two main calcinations factors of...

Perfluorinated sulfonic acid ion exchange membrane doped the silicotungstic acid thermal stability and thermal degradation kinetics were studied by means of thermal gravimetric analysis in a nitrogen atmosphere, the heating rate used respectively was 5, 10, 20 and 30 /min. Using the Kissinger, Flynn-Wall-Ozawa,...

Eu3+doped -Bi2MoO6 red uminescent powder is prepared by co-precipitation method in this paper. Structure and constitution of powder samples are examined by DTA-TG, XRD and IR. Results showed that: quadrature phase -Bi2Mo3O12 is achieved when anneal temperature is 800 and pH is below 3; while quadrature...

The era of globalization has required universities to prepare graduates who are ready to work according to the competence of the 21st century, namely graduates who not only master skills according to their fields but are required to have new literacy such as technology literacy, data literacy, and human...

Cationic starch-based hydrogel was synthesized by simultaneous gamma irradiation of starch (St), acrylamide (AAM), allyl triphenyl phosphonium bromide (APB) and N,N'-methylene bisacrylamide (MBA) as cross-linker in aqueous solution. The molecular mass of the un-grafted AAM/APB copolymer, the cationic...

The high-tech industry had flourished in pace with the advent of 21st centuries, and is attracting more attentions. To confront with the intensely competitive market, the goal to advance competitive edge in high-tech industry has become what all countries desire for. Now is the era of customer orientation,...

Five kinds of Brønsted-acidic ionic liquids with different nitrogen-contained chemical groups and different anions were synthesized, and were respectively characterized by nuclear magnetic resonance(NMR), infrared spectrum (IR), electrospray ionization mass spectrum (ESI-MS) and thermogravimetry(TG....

A novel sulfur ion exchange fiber - thiosemicarbazide chelating ion exchange fiber (TSCIEF) was prepared by nucleophilic substitution reaction of chloramethylated polypropylene graft styrene (CPP-g-St) fiber and thiosemicarbazide, using anhydrous ethanol as swelling agent. The structure of TSCIEF was...

The Republic of Indonesia is a country that is rich in natural resources, from living natural resources to non-living natural resources. The potential of natural wealth starts from the sea, land, and other natural resources contained in the earth of Indonesia. Right on May 14, 2020, the mineral and coal...

Safety is crucial in the shipping industry, however in the current export container activity there are many factors that can cause an accident. To prevent an accident, regulation play an important role. With regulation, safety can be implemented to decrease the risk. Therefore, IMO has amended the SOLAS's...

3-triethoxysilylpropylamine (KH550) polymer was coated on quartz fibers by a simple dipping process without any complex chemical treatments in order to increase the bonding strength between quartz fibers and boron doped silicone resin matrix. The effect of coating on the interface of quartz fiber reinforced...

The research related to the development of Acting Arts Textbooks at LPTK. This research (1) Describes theater learning in LPTK, which includes (a) Describing the application of the current Acting book and (b) Describing lecturers’ and students’ needs related to the improvement of LPTK Acting textbooks....

The student's reading ability is confronted by educational lapses due to the implementation of remote teaching and learning during and after the global health crisis. With this, the researcher aimed to develop innovative instructional material to improve the reading level of Grade 10 learners of...

Polyurethane prodrugs with different drug contents were synthesized using polycaprolactone, hexamethylene diisocyanate and ciprofloxacin. The thermal analysis of the materials was carried out by DSC and TG. Results showed that the crystallinity of the materials reduced as the drug contents increased...

Airbnb has transformed the world travel and accommodation market by offering flexible and low-cost short-term rentals. Yet, comprehending the intricate price and demand patterns and customer behavior remains a significant challenge among hosts, tourists, and investors. In this study, an Exploratory Data...

A novel adsorbent was prepared by grafted the Dibenzo-18-Crown-6-Ether (DB18C6) on D564 resins and characterized by Thermogravimetry (TG) and Fourier Transform Infrared Spectroscopy (FTIR). Adsorption of Sr2+ from aqueous solutions was investigated in batch method as a function of contact time, concentration...

In order to study the pyrolysis process of Ethylene Propylene Diene Monomer (EPDM) insulation material and its compression mechanical behaviour under high strain rates, the thermal stability of EPDM was analysed by TGA in the first place. Based on the TG curve and the thermal degradation temperature,...

With microcrystal muscovite (MCM) as the carrier, butyl titanate as the source of titanium, acetic acid as the inhibitors, copper nitrate as dopant, Cu-doped nano-TiO2/MCM composites were prepared by the sol–gel method. Then the composites were calcined at 500 oC for 2 hours. The samples were characterized...

The purpose of this study is to determine whether the dimensions of innovation culture, motivation, and entrepreneurship orientation affect the advantage competition of SMEs in South Sulawesi Province in selected districts/cities owned by Women Entrepreneurs. The population in this study is SMEs in South...

MgAl2O4 spinel, as support of the 10Ni/MgAl2O4 catalyst which used for coke oven gas dry reforming, was prepared by sol-gel, coprecipitation and urea hydrolysis method. The catalysts were prepared by impregnation. The MgAl2O4 and 10Ni/MgAl2O4 were both calcined at 800 oC for 5 h and the samples were...

Phenolic foam with high flame retardation was prepared through intumescent flame retardant treatment with physical blending of ammonium polyphosphate(APP) pentaerythritol(PER) melamine(MIR). Test results showed that the phenolic foam achieves high flame retardation when APP/PER/MIR=4:1:0.5 (dosage: 25%)....

This research aims at investigating students' social interaction ability at class VIII of MTs Negeri Gorontalo. This is a descriptive quantitative research with one variable design namely students' social interaction ability. Samples of this research are 31 students at class VIII of MTs Negeri Gorontalo....

Several SO3H-functionalized acidic ionic liquids (ILs) were synthesized by two-step method, using 1, 3-propane sulfone and 1, 4-Butanesultone as raw materials, respectively. It is noteworthy that the ionic liquid using 2-ethyl-4-methylimidazole as source has not been reported. Esterification of 1-butanol...

A learning process which rigid and monotonous can reduce students' interest and motivation. If it is done continuously, students become less motivated in learning. It will also affect their learning achievement. [1]. This situation also occurred in class V of Punggul 1 Elementary school, especially in...

The varieties and interspecies hybrids of potato selected on the basis of Ural Scientific Research Veterinary Institute Federal State Budgetary Scientific Institution "Ural Federal Agrarian Scientific Research Centre, Ural Branch of the Russian Academy of Science" (Ural national research institute of...

This study aims to analyze the effectiveness of the implementation of online learning during the Covid-19 pandemic in universities. This classroom action research refers to the model of Kemmis and McTaggart, in which there are four learning steps, which include planning, acting, observing, and reflecting....

The development of the industrial revolution and information technology has changed the outlook of the global economy with a paradigm shift from traditional economic practices towards broader digitalization. As one of the drivers of the Indonesian economy, the tourism sector is also affected by the impact...

The organosilicon-acrylic resin/LDHs nanocomposite was prepared from acrylate, organosilicon Mg-Al-AA-LDHs as well as emulsifier etc with emulsion polymerization methods. The samples prepared were characterized by optical , thermal and gas barrier capabilities testing, Results show the samples were nanocomposion...

The goal of the research is the verification of the hypothesis that an innovative economic growth has a considerable importance for the regions with a high development level and is less significant in the explanation of the growth in other regions. The government and public expenditures for R&D are concentrated...

Rigid polyurethane foams (RPUFs) were prepared by heteroaromatic polyol as the matrix polyol, methylphosphonate (DMMP) was added to improve its flame retardancy, and the relative performances were studied. Thermal stability were measured by dynamic mechanical analysis (DMA) and thermo gravimetric analysis...

Women employee are vulnerable to being victims of injustice and inequality, namely being a second one in work, having difficulty getting opportunities, tending to work in small sectors within the organization, norms that limit time and choices, wage gaps, and large career barriers. This study aims to...

The importance of training students in 21st-century skills cannot be overstated in this era. These skills cover many competencies essential for success in the modern world, including problem-solving, critical thinking, collaboration, communication, creativity, and digital literacy. This study aims to...

The aim of this study is to explore the characteristics of job burnout, general self-efficacy and emotional labor in college counselors, and analyze the relationship among the 3 variables. Totally 538 college counselors were recruited through Internet from 7 universities in Guangdong Province. They were...

Spinel compound LiNi0.40Co0.1Mn1.5O4 was synthesized by a sol-gel process together with a calcinations process. The as prepared product could be indexed to Fd3m space group. The dopant Co resulted in more oxygen vacancy in crystal structure. The doped compound exhibited better cycle rate capability than...

Sepiolite as catalyst carrier material, now commonly used in low temperature, for high temperature applications was very rare. ZrO2/sepiolite precursor was prepared by Chemical precipitation method, catalyst coating material was prepared at 600 , the samples were aged at 1000 . The powders with and without...

This research was motivated by the importance of the textbooks' role in the learning process. The conformity between the textbook's evaluation and curriculum is crucial. Numerous studies on textbooks evaluation have been previousy conducted, but few studies focused on the evaluation of textbooks...

Because of the strong alkalinity and large amount of heavy metals in red mud, many countries have paid more attention to red mud. According to the traditional treatment method, an innovative scheme is proposed in this paper, which uses red mud (RM), ground granulated blastfurnace slag (GGBS), fly ash...

Crime involve not only conventional media; but also modern ones. Internet is not a single medium to commit crime; electronic devices can mediate the practices as a result of information technology development. This research mainly focuses on Baiq Nuril Maknun case that recorded her conversation with...

The regulation of rewards or incentives existence reflects that forest resource management has paradigm of community based forest management (CBFM). "Certificates distribution" by the President is based on 2 (two) Minister of Environment and Forestry Regulations on Social Forestry which is one of the...

To discuss the emergency treatment and nursing care of patients with severe thoracic trauma, and learn the lessons to improve the quality of nursing. Methods: Rescue and nursing experience of 148 multiple trauma patients complicated with severe thoracic injury were summarized retrospectively. Results:...

English for Specific Purposes (ESP) has attracted experts in the educational field as an effective program to learn English at tertiary level. Need Analysis (NA) serves as the determinant factor for successful ESP program. This research aims at exploring students’ needs in speaking course in the Faculty...

Hexagonally ordered mesoporous silica SBA-15 was successfully synthesized for the first time using natural clay from low-grade potash ores of a salt lake in Qinghai, China, without addition of silica reagents. The influence of changes in processing parameters, such as activation method, hydrothermal...

The influence of curing temperature on the deformation properties of magnesium oxide(MgO) micro-expansive concrete were studied.Hydration mechanism and expansion characteristics of magnesium oxide(MgO) in cement paste were analyzed by XRD DSC-TG and SEM. Results indicated.Curing temperature had a great...

The purpose of this study is to find out the increase in the learning and student learning outcomes during pandemics with the implementation of the Project-Based Learning (PBL) learning model. This research is classroom action research to solve problems in the classroom. Research is conducted in two...