bluuebunny/crossref_metadata_2025_split huggingface dataset:
EFFECT OF AGING TREATMENT PARAMETERS ON MICROSTRUCTURE AND PROPERTIES OF Cu-Ni-Si ALLOY
Authors: Anh Phung Tuan 
Published: April 2018

In this paper, effect of cold pre-deformation and sequent aging time and temperature on microstructure and properties of Cu-2.8Ni-1.0Si alloy are reported. The results shown that, hardness and electrical conductivity of alloy increase with increasing cold deformation degree after quenching and subsequent aging. With undeformed specimens after quenching, hardness and electrical conductivity of alloy reach maximum values with subsequent aging at 425 and 475 oC, respectively. Alloy attains maximum hardness of 255 HV5 with aging at 425 oC for 4.5 hours, while maximum electrical conductivity of 38.5 %IACS with aging at 475 oC for 8 hours. In the case of deformed specimens after quenching and subsequent aging, this rule is still preserved. Especially, at 70 % cold pre-deformation degree, alloy attains the maximum hardness of 274.3 HV5 with aging at 425 oC for 3.5 h, while maximum electrical conductivity reaches 42.4 % IACS with aging at 475 oC for 6 h.
RESEARCH ON HARVESTING OF MICROALGAE CHLORELLA SP. BY ELECTROCHEMICAL FLOTATION METHOD USING CORROSIVE ELECTRODES
Authors: Hung Ha Vinh 
Published: April 2018

Microalgae are a promising feedstock for biodiesel production. Harvesting of microalgal biomass is still a bottleneck to its commercial scale application, due to small cell size, low culture densities, colloidal stability and thus economic disadvantage. The aim of this study was to evaluate the biomass separation of the small size microalgae Chlorella sp. by electrochemical flotation process with rectangle electrodes using aluminum or iron plates. The most effective conditions for this experiment involved the use of an aluminum electrode for 30 min with a current density of 1.5 mA/cm2, whereas the iron electrode has been used ineffectively with the same of conditions. The effect of current density (0.5–3 mA/cm2), concentration of microalgae biomass (0.29–1.5 g/L), and electrolyte (0–2 g/L) for aluminum electrode were analyzed. The highest recovery efficiency of 90 % was obtained for Chlorella sp. at 1.5 mA/cm2 in 30 min and concentration of microalgae biomass of 0.74 - 1.5 g/L with power consumption of 1.36 kWh/kg. The electrochemical flotation process with aluminum electrodes could be a possible harvesting step at commercial scale for microalgal biomass production.
PRELIMINARY ASSESSMENT OF BTEX CONCENTRATIONS INDOOR AND OUTDOOR AIR IN RESIDENTIAL HOMES IN HANOI, VIETNAM
Authors: Le Ha Vo Thi 
Published: April 2018

Indoor air quality is considered to be of great concern due to its adverse impact on the human health nowadays. BTEX concentrations in 29 residential homes including (new/renovated and old) were studied in Hanoi Metropolis and influencing parameters such as smoke habit, cooking appliances, solvent consumption, and ventilation system were considered in this study. Samples were conducted using active diffusion monitors and analyzed by GC/FID. Concentrations of BTEX indoor and outdoor in new/innovated homes were significantly higher than those in old homes. Benzene was used as cancer risk maker, whereas toluene and xylene were used as non-cancer risk marker. Among BTEX compounds, xylene showed the most notable hazard quotient and was the main pollutants responsible for high risk for the toddlers. Benzene showed an upper-bound life time cancer risk that exceeds the US.EPA benmark, presenting moderate risk for the toddlers.
APPLICATION OF HEDGE ALGEBRAS FOR CONTROLLING MECHANISMS OF RELATIVE MANIPULATION
Authors: Khoi Phan Bui , Toan Nguyen Van 
Published: April 2018

This paper presents a method for controlling mechanism of relative manipulation (MRM robot), that based on an algebraic approach to linguistic hedges in fuzzy logic. The proposed model of MRM robot is introduced as two component mechanisms, collaborating to realize technological manipulations. MRM robot has complex structure [1, [2]; therefore, robot system's mathematical equations describing dynamical behaviors are complicated and voluminous [3,[4, 5]. Furthermore, the components affect MRM robot's dynamics that are difficult to determine adequately and exactly. Applying the well-known methods (based on dynamical equations) such as PD/PID, computed torque algorithm...for robot control is difficult, especially with MRM robot. By dint of the human-like inference mechanism, designing controller thanks to fuzzy logic can overcome the mentioned drawbacks [6]. However, the linguistic variables in fuzzy logic are not represented by any physical values; and hence, the comparison between the linguistic variables is unable. Moreover, composition of fuzzy relations, defuzzification use approximation function which can trigger error in data process. Hedge Algebras(HA) gives favorable conditions to restrict fuzzy logic's drawbacks because the linguistic labels in Hedge Algebras are represented by semantic values; and, composition of fuzzy relations and defuzzification are processed by simple interpolation and mapping functions. The obtained results from HA controller are compared to the obtained results from two methods which are presented in [6] (fuzzy controller and computed torque controller). Keywords: mechanism of relative manipulation (MRM robot), hedge algebras.
APPLICATION OF LACTIC ACID IN PRESERVATION OF NINH THUAN GREEN GRAPES NH01-48
Authors: Hanh Nguyen Thi 
Published: April 2018

Ninh Thuan green grapes NH01-48 is popularly cultured in Ninh Thuan province. However, due to the lack of preservation technology and/or facility, Ninh Thuan grapes are transported to and consumed in other areas of the country in a limited volume. This study aimed to assess application of lactic acid in treatment of Ninh Thuan grapes for preservation. Effect of lactic acid on grapes with or without challenging microorganisms was examined. Green grapes NH01-48 was washed with sterile water, and then dried on air. Grapes were challenged with a cocktail of microorganisms previously isolated from Ninh Thuan grapes, including four bacterial strains (Bacillus cereus, Pseudomonas oryzihabitans, Citrobacter sp., and Flavobacterium sp.), three yeast strains (Wickerhamomces anomalus, Hanseniaspora opuntiae, Debaryomyces nepalensis) and one fungus Penicillium sp. at 5 × 104 CFU/ml. Then grapes were treated with 3 % lactic acid solution for 5 min (soaking) prior to be packed in plastic bags with punched hole of 3 mm diameter, distance between holes is 3 cm and preserved in refrigeration condition at 4 ± 0.5 oC. Grapes without challenging microorganisms/without acid pretreatment/without challenging microorganisms but treated with acid were used for comparison. Samples were taken every 5th day until 30 days. Color, hardness, total dry matter, titration acidity, and total microorganism count were measured. Results showed that when applied treatment of lactic acid on grape with and without challenging microorganisms, the change in grapes’ hardness, color, dry matter and titration acidity was minimized, demonstrating positive activity of lactic acid on grape physicochemical characteristics. Samples without lactic acid treatment were spoiled after 15-20 days of preservation, whereas the ones with acid treatment can be last for at least 30 days. Moreover, number of total microorganisms count after 30 days of preservation were acceptable in samples with lactic acid treatment (ca. 103 CFU/g). Therefore, lactic acid can be potential for application in grapes preservation. The combined effect with other preservation techniques needs to be further studied.
ISOLATION AND SELECTION OF AFLATOXINS PRODUCING ASPERGILLUS FLAVUS FROM PEANUT
Authors: Phuong Thao Le Thi 
Published: April 2018

Aspergillus flavus is known as the main producer of carcinogenic aflatoxins. The presence of this fungus and aflatoxins is an important impactson food safety, human and animal health. Peanut is one of the most important crops in Vietnam and is suitable to substrate for aflatoxins producing fungus growth. The isolation and identification of Aspergillus flavus species from peanut is an initial step for further study in Aflatoxins contamination control in peanut. 28 peanut samples selected in Luc Nam district - Bac Giang province were used for fungus isolation. The isolated fungus were purified, conducted DNA extract, amplified PCR products then performed sequencing ITS gene and used BLAST software to check alignment to identification the strains. As the result, 4 strains alignedwith Aspergillus flavus strains from National Center for Biology Information - United Nation such as: TUHT115, KP214054.1, MTCC 8654, ZJ4-A. Those strains were checked and confirmed the aflatoxins production in peanut samples.
CORROSION INHIBITION OF MILD STEEL IN NaCl AND HCl SOLUTIONS BY AMINO ACIDS EXTRACTED FROM SOYBEAN RESIDUE
Authors: Hai Le Tu 
Published: April 2018

The influence of some factors to extraction yield of amino acids from soybean residue (SR) was investigated. The composition of amino acids extracted from SR was determined by HPLC/MS-MS. The inhibitive effect of amino acids on mild steel in NaCl solution and HCl solution were investigated by potentiondyamic polarization. As a result, we found that the optimal condition to extract amino acids from SR with the yield of amino acids extraction was 47.10 % of the weight (based on the oven dried powder of SR), amino acids extracted from SR consist of 17 amino acids, and the mild steel inhibition efficiency of amino acids was 74.71 % in 3.5 % NaCl and 80.20 % in 0.5 M HCl.
EFFECTS OF ADDITIVES, PIGMENT AND FILLER ON PHYSICO- MECHANICAL PROPERTIES AND WEATHER RESISTANCE OF POLYUREA COATINGS
Authors: Bich Thuy Nguyen Thi 
Published: April 2018

Polyurea coatings are known to provide high hardness, stable color, excellent weather durability and good scratch resistance. Being cured, the coatings can also express heat resistance up to 150 oC, good resistance to acids, oils, as well as other chemicals, high flexibility and strain, excellent adhesion to various substrate materials such as concrete, steel, ceramic, glass and others. In this paper, a polyurea coating has been developed on basis of polyaspartic acid esters and polyisocyanate curing agent, using 3 % nanoclay additive. The physical, mechanical, and chemical properties of the coatings were examined by current technical specifications. The results for developed coating were recorded as follow: 76 in.lb impact strength, 7.5 mm elongation, and 0.7 relative hardness; no blistering was observed after 30 days of immersion in 5 % HCl and 5 % NaOH solutions. Weather resistance of the coatings was also evaluated with full absence of peeling, blistering and high gloss retention after 500 h accelerated UV testing.
STUDY ON MIXING ANTI-A MONOCLONAL ANTIBODY AND ANTI-B MONOCLONAL ANTIBODY TO MAKE ANTI-AB SAVE AS ABO BLOOD GROUPING REAGENT
Authors: Trung Nguyen Thi , Hai Truong Nam 
Published: April 2018

So, it needs to balance the ratio of anti-A monoclonal antibody and anti-B monoclonal antibody in the mixing so that the possibility of agglutination is the best. In this paper, anti-A monoclonal antibody (titer is 1/256) and anti-B monoclonal antibody (titer is 1/256) was used. The best results were obtained at one volume anti A monoclonal antibody is mixed one volume anti-B monoclonal antibody. The anti-A,B antibody titer was 1/128 for red blood group A and it was 1/128 for red blood group B. The intensity of agglutination reached 3+ for both red blood group A and B.
A BRANCH AND BOUND ALGORITHM FOR WORKFLOW SCHEDULING
Authors: Toan Phan Thanh , Loc Nguyen The 
Published: April 2018

Nowadays, people are connected to the Internet and use different Cloud solutions to store, process and deliver data. The Cloud consists of a collection of virtual servers that promise to provision on-demand computational and storage resources when needed. Workflow data is becoming an ubiquitous term in both science and technology and there is a strong need for new tools and techniques to process and analyze large-scale complex datasets that are growing exponentially. scientific workflow is a sequence of connected tasks with large data transfer from parent task to children tasks. Workflow scheduling is the activity of assigning tasks to execution on servers and satisfying resource constraints and this is an NP-hard problem. In this paper, we propose a scheduling algorithm for workflow data that is derived from the Branch and Bound Algorithm.
The expression of interpersonal and textual functions in Czech and in English: The Czech postfix -pak and its translation counterparts
Authors: Šebestová Denisa , Malá Markéta 
Published: April 2018

The study explores the possibility to use translation counterparts as “markers” (Malá, 2013), or “methodological anchors” (Gast, 2015), of discourse functions, i.e. formal correlates of interpersonal and textual functions, which make it possible to detect these functions in the text, and to compare their expression cross-linguistically. We focus on Czech expressions containing the postfix -pak (such as, copak – ‘what + pak’, kdepak – ‘where + pak’). The postfix -pak is shown to be a polyfunctional indicator of discourse function (cf. Grepl and Karlík, 1998). The expressions ending in -pak were found to have content / speaker-related functions (such as deliberative meaning, emotional evaluation, (im)possibility) as well as communication / addressee-oriented functions (appeal, establishing/maintaining contact) (cf. Aijmer, 2013; Šebestová and Malá, 2016).
Representation of Minorities and Elderly Patients in Multiple Myeloma Clinical Trials
Authors: Duma Narjust , Azam Tariq , Riaz Irbaz Bin , Gonzalez-Velez Miguel , Ailawadhi Sikander , Go Ronald 
Published: April 2018

Abstract
Multiple myeloma (MM) occurs in all races, but the incidence in non-Hispanic black patients (NHBs) is two to three times higher than in non-Hispanic white patients (NHWs). We determined the representation of minorities and elderly patients in MM clinical trials. Enrollment data from all therapeutic trials reported in ClinicalTrials.gov from 2000 to 2016 were analyzed. Enrollment fraction (EF) was defined as the number of trial enrollees divided by the 2014 MM prevalence. Participation in MM clinical trials varied significantly across racial and ethnic groups; NHWs were more likely to be enrolled in clinical trials (EF 0.18%) than NHBs (EF 0.06%, p &lt; .0001) and Hispanic patients (EF 0.04%, p &lt; .0001). The median age of trial participants was 62 years, with 7,956 participants (66%) being less than 65 years of age. Collaborations between investigators, sponsors, and the community are necessary to increase access to clinical trials to our minority and elderly patients.
At What Cost to Clinical Trial Enrollment? A Retrospective Study of Patient Travel Burden in Cancer Clinical Trials
Authors: Borno Hala T. , Zhang Li , Siegel Adam , Chang Emily , Ryan Charles J. 
Published: April 2018

Abstract

Background
Recent literature suggests that living in a rural setting may be associated with adverse cancer outcomes. This study examines the burden of travel from home to cancer center for clinical trial (CT) enrollees.

Materials and Methods
Patients from the University of California San Francisco Clinical Trial Management System database who enrolled in a cancer CT for a breast, genitourinary, or gastrointestinal malignancy between 1993 and 2014 were included. Cancer type, household zip code, race/ethnicity, phase of study, study sponsor, and year of signed consent were exported. Distance traveled from home to center was calculated using a GoogleMaps application programming interface. The relationships of distance with phase of CT, household income, and race/ethnicity were examined.

Results
A total of 1,600 patients were enrolled in breast (55.8%), genitourinary (29.4%), or gastrointestinal (14.9%) cancer CTs. The overall median unidirectional distance traveled from home to study site was 25.8 miles (interquartile range [IQR] 11.5–75.3). Of the trial sponsors examined, principal investigator (56.4%), industry (22.2%), cooperative group (11.6%), and National Institutes of Health (NIH; 9.8%), the longest distance traveled was for NIH-sponsored trials, with a median of 39.4 miles (p &lt; .001). Phase I (8.4%) studies had the longest distance traveled, with a median of 41.2 miles (IQR 14.5–101.0 miles; p = .001). White patients (83%) traveled longer compared with black patients (4.4%), with median distances of 29.9 and 13.9 miles, respectively (p &lt; .001). Patients from lower-income areas (n = 799) traveled longer distances compared with patients from higher-income areas (n = 773; 58.3 vs. 17.8 miles, respectively; p &lt; .001). A multivariable linear model where log10 (distance) was the outcome and adjusting for the exported variables and income revealed that cancer type, year of consent, race/ethnicity, and income were significantly associated with distance traveled.

Conclusion
This study found that the burden of travel is highest among patients enrolled in NIH-sponsored trials, phase I studies, or living in low-income areas. These data suggest that travel burden for cancer CT participants may be significant.

Implications for Practice
This study is one of the first to measure travel distance for patients in cancer clinical trials using a real-world GoogleMaps calculator. Out-of-pocket expenses such as travel are not typically covered by health care payers; therefore, patients may face considerable cost to attend each study visit. Using a single-center clinical trials enrollment database, this study found that the burden of travel is highest for patients enrolled in National Institutes of Health-sponsored trials and phase I studies, as well as for patients living in low-income areas. Results suggest that a significant proportion of patients enrolled in clinical trials face a substantial travel burden.
Immunostimulant Effects of Geophyte Plant Extract on Non-specific Defence Mechanisms of Rainbow Trout (Oncorhynchus mykiss)
Authors: ULUKÖY Gülşen , KUBİLAY Ayşegül , DİDİNEN Behire Işıl , METİN Seçil , ALTUN Soner , DİLER Öznur , MAMMADOV Ramazan , DULLUÇ Arife 
Published: April 2018

The aim of this study was to determine the immunostimulant effects of
geophyte plant extract on non-specific defence mechanisms of rainbow trout (Oncorhynchus
mykiss). For this purpose, Muscari comosum was collected in Muğla region and extracted in
ethanol. Then, The plant extract applied into fish by intraperitonal injection
in two different concentrations (0.5mg/ fish and 2.0 mg/fish). The average fish
weight was 140 g. Following the injection on the 1st, 7th, 14th, 21st, 28th
days the blood and serum samples were collected from fish in each group and
examined for various parameters including percentage of hematocrit, the counts
of nitroblue tetrazolium (NBT) positive neutrophils, total leukocyte counts,
percentage of white blood cells and serum lysozyme activity. The results
indicated that the counts of NBT (+)
neutrophils, percentage of monocyte and neutophil and total leukocyte
counts increased in the group with injected 0.5mg plant extract /fish compared
to control group (P&lt;0.05). It has
been revealed that this dose of M. comosum can be suggested to use to
enhance non-specific immune system for rainbow trout aquaculture. However,
immunostimulant effects of oral administration of this plant extract in rainbow
trout are needed to be determine in future studies.
The Scarlet Letter: Embroidering Transcendentalism and Anti-transcendentalism Thread for an Early American World
Authors: Mahini Ramtin Noor-Tehrani (Noor) , Barth Erin 
Published: April 2018

Published in 1850 by Nathaniel Hawthorne, the dark romantic story of The Scarlet Letter was immediately met with success, and Hawthorne was recognized as the first fictional writer to truly represent American perspective and experience. At the time when most novelists focused on portraying the outside world, Hawthorne dwelled deeply in the innermost, hidden emotional and mental psyches of his characters. Despite being acquainted to both famed transcendentalists Ralph Waldo Emerson and Henry David Thoreau and married to the transcendentalist painter Sophia Peabody, Hawthorne was often referred to as anti-transcendentalist or dark romantic writer in The Scarlet Letter. Is he also influenced by the transcendentalist movement in his famed novel? Evidence shows that he is more transcendentalist than anti-transcendentalist in The Scarlet Letter.
The apparent contrariety
Authors: Gafton Francisc 
Published: April 2018

There are societies in which individual and social mentalities are deeply imbued with religion, which dominates as a philosophy of life, and which guides its followers from the most insignificant to the most important thoughts and acts. There, secular life is the faithful reflection of religious ideology, unfolding in the shadow of its ancestral and collective narratives. There, present and future celebrate a mystical past, which they replicate through a circular effort and in their own circumstances.
There are societies in which social life interferes little, if at all, with the religious one; where religion is merely tolerated, instead of being assimilated or consuming. There, religion is not an ideological guide, an all-leading factor and force, but only a reminiscent paradigm; there, present and future shape themselves as stages of an evolutive spiral.
A society to which religion imposes itself as a force that tends to perpetually conserve the status quo, opposing paradigm shifts in order to keep society on the uniform path of the imposed ideal; and a society that believes that since the fundamental reality is matter acting according to its internal laws, ideology appears, exists and becomes through and in the image of the material being subject to evolution, beyond its developments and avatars.