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research-article | 30-November-2020

Improving sand flow rate measurement using the wavelet transform and ultrasonic sensors

Notations and abbreviations M Output of ASD Q Sand Flow rate P Squares of wavelet coefficients of ultrasonic signal S The ‘Step’ value representing the gain between the ASD output and th sand flow rate Z The ‘Zero’ Value representing the effect of background noise a Coefficient between the sand flow rate and the squares of Wavelet coefficients h[n] Impulse response of the low pass filter in DWT g[n] Impulse response of the high pass filter in DWT z[n] Under-sampled output ASD Acoustic Sand

H. Seraj*, B. Evans, M. Sarmadivaleh

International Journal on Smart Sensing and Intelligent Systems, Volume 14 , ISSUE 1, 1–13

research-article | 30-November-2017

STIFFNESS MODULE AND COMPRESSION STRENGTH OF POLYMER-TREATED SAND

modulus and Poisson ratio for (ETS). Moreover, detecting the effect of additives on the strength of treated sand by applying compression test on both types of treated specimens: (CTS) and (ETS). 2. METHODS FOR MEASURING SMALL-STRAIN STIFFNESS The small-strain stiffness is usually determined in the laboratories by direct methods such as the bender/extender elements, or by indirect methods, such as the resonant column test. The free–free resonant frequency method (FFR) is a simplified testing

Maiasa MLHEM

Architecture, Civil Engineering, Environment, Volume 11 , ISSUE 1, 97–104

Article | 07-May-2018

Design of Pellet Recycle Scraper System in Sand-Blasting Chamber

In the process of industrial sand-blasting, it is necessary to recycle the pellet. In order to solve the existing problems such as high cost, vulnerability, maintenance difficulty and low recycle efficiency in pneumatic recycling system and mechanical recycling system of pellet, we designed a trapezoidal scraper recycle system of pellet which powered by the cylinder and controlled by PLC to realize the pellet collection. The core component of the system is the scraper mechanical structure which

Baoli Wang, Junli Wang, Zhao Zhipeng

International Journal of Advanced Network, Monitoring and Controls, Volume 3 , ISSUE 1, 77–79

Research Article | 27-February-2017

PROSPECTS FIXATION DRIFT SANDS PHYSICOCHEMICAL METHOD

Summary. This article is based on the theoretical foundations of secure mobile sand being considered for reducing the negative impact of one of the manifestations of exogenous plains on such an important natural-technical system as a railroad. It suggests practical measures to build a system of design protection against sand drifts. The article also suggests ways to conserve resources and rational use of machinery and performers as well as the consolidation of mobile sand wet with water soluble

Maujuda MUZAFFAROVA, Makhamadjan MIRAKHMEDOV

Transport Problems, Volume 11 , ISSUE 3, 143–152

Article | 31-December-2020

THEORETICAL BASES OF IMPREGNATION WITHOUT PRESSURE OF MELIORANTS AND THE APPLICATION OF THEIR FEATURES IN PRACTICE OF FIXING MOBILE SANDS

Desert sand is subject to deflation, which during the construction and operation of railways in the sandy desert leads to the filling of the railway track with sand and erosion of subgrade. To prevent this phenomenon, the surface of the sand is fixed with a binder, which is sprayed onto a deflated surface. The penetration of the working composition of the binder due to the characteristics of grinding is accompanied by an uneven distribution of the substance, which is proposed to characterize

Makhamadjan MIRAKHMEDOV

Transport Problems, Volume 15 , ISSUE 4, Part 1, 39–48

research-article | 23-April-2019

ELECTROMAGNETIC SYSTEM FOR IMPROVING THE ADHESION OF WHEELS TO RAILS

of wheels and damage to the wheels and rails [5]. The presence of a third body between wheel and rail significantly affects the adhesion. Poor adhesion of the wheels to rails can cause various problems, such as high-frequency noise [6], fatigue of the contact surface [7], increased corrugation of rails [8], energy dissipation [9], unstable adhesion before acceleration [10], and poor braking performance [11]. Traditionally, sand is used to increase the coefficient of adhesion of locomotive wheels

Yuriy OSENIN, Lidiya ANTOSHKINA, Igor SOSNOV, Evgeniy SHAPRAN, Aleksei CHESNOKOV

Transport Problems, Volume 14 , ISSUE 1, 59–67

Review | 06-August-2019

PRACTICAL APPLICATION OF THE MICROWAVE OVEN IN THE GEOTECHNICAL LABORATORY

application of microwaves in a geotechnical laboratory. The assumptions of the research cycle and the results obtained will be presented in the further part of the paper. 3. MATERIALS For our research we selected two non-cohesive loose soils from road excavations (fine sand – FSa and sandy gravel – saGr; selected based on the grain size curve and according to the PN-EN ISO 14688-2:2006 classification; Fig. 1) and one cohesive soil from the Triassic deposit in Patoka near Częstochowa (silty clay – siCl

Małgorzata JASTRZĘBSKA

Architecture, Civil Engineering, Environment, Volume 12 , ISSUE 2, 91–104

Article | 21-July-2017

First Report of Longidorus kuiperi and Rotylenchus eximius from Coastal Sand Dunes in Crete, Greece

Plant-parasitic nematode species have been reported on several occasions from coastal sand dunes, including Longidorus and Rotylenchus species (Vovlas et al., 2008; De Luca et al., 2009; Mateille et al., 2014). In April 2016, 10 soil samples of 3 to 4 kg from the rhizosphere of Tamarix smyrnensis with different vegetation around (viz. Elymus farctus, Lycium schweinfurthii, Crithmum maritimum, and Arthrocnemum sp.) were collected for diagnosis of plant-parasitic nematodes. The area of sampling

EMMANUEL A. TZORTZAKAKIS, CAROLINA CANTALAPIEDRA-NAVARRETE, ANTONIO ARCHIDONA-YUSTE, JUAN E. PALOMARES-RIUS, PABLO CASTILLO

Journal of Nematology, Volume 48 , ISSUE 3, 135–135

Research Article | 13-December-2017

Optical Flow Algorithm for Velocity Estimation of Ground Vehicles: A Feasibility Study

This paper presents a novel velocity estimation method for all terrain ground vehicles. The technique is based on a camera that scans the ground and estimates the velocity by using an optical flow algorithm. The method is tested and validated for different types of terrains such as fine sand, coarse sand, gravel as well as a mixture of coarse sand and gravel. Measured velocities from precise encoders are compared with the velocities predicted by the optical flow algorithm, showing promising

Savan Chhaniyara, Pished Bunnun, Lakmal D. Seneviratne, Kaspar Althoefer

International Journal on Smart Sensing and Intelligent Systems, Volume 1 , ISSUE 1, –

Article | 28-August-2018

SURFACE BLAST-CLEANING WASTE AS A REPLACEMENT OF FINE AGGREGATE IN CONCRETE

same composition served for reference except for with river sand as fine aggregate instead of slag. The performed tests focused on: compressive and tensile strength (both after 28 days), sorptivity, free water absorption capacity and abrasion resistance. The obtained results showed that the strength and some other tested properties of concretes with copper slag as sand replacement were similar or even better than that of the control mixtures.

Wojciech KUBISSA, Roman JASKULSKI, Tamás SIMON

Architecture, Civil Engineering, Environment, Volume 10 , ISSUE 3, 89–94

research-article | 17-March-2020

Silver nanoparticles as a potential nematicide against Meloidogyne graminicola

), while the straight nematodes without any movement were recorded as ‘dead’. Three replicates were maintained for each concentration. In the control, an equal amount of water was added instead of AgNP. All plates were kept at room temperature (26 ± 2°C). After 12 hr of treatments, the nematodes were filtered with a sieve (pore size 25 µm), re-suspended in tap water, and observed after 1 hr for revival of activity, if any. Direct exposure of AgNP to M. graminicola in sand A laboratory trial was

Richa Baronia, Puneet Kumar, S. P. Singh, R. K. Walia

Journal of Nematology, Volume 52 , 1–9

Research Article | 15-February-2020

Fabrication and Characterization of High Performance Micro Impedance Inclinometer

Chia-Yen Lee, Lung-Ming Fu

International Journal on Smart Sensing and Intelligent Systems, Volume 7 , ISSUE 5, 1–5

Article | 05-December-2017

Influence of Root Exudates and Soil on Attachment of Pasteuria penetrans to Meloidogyne arenaria

to influence the lipophilicity of the nematode surface coat, auxins and kinetins did not affect spore attachment compared with PBS. Root exudates reduced spore attachment more in sterilized soil than in natural soil. Sterilization may have eliminated microbes that consume root exudates, or altered the chemical components of the soil solution or root exudates. Root exudates caused a greater decrease in spore attachment in loamy sand than in a sandy loam soil. The sandy loam had higher clay content

CHANG LIU, PATRICIA TIMPER, PINGSHENG JI, TESFAMARIAM MEKETE, SOUMI JOSEPH

Journal of Nematology, Volume 49 , ISSUE 3, 304–310

Article | 26-August-2018

CHRONOPOTENTIOMETRIC CHARACTERIZATION OF ELECTRODIALYSIS MODULE

(inflection point) was observed. Thus, having such curves for different values of electric current, the limiting current can be roughly estimated. To estimate a mean counterion transport number from the transition time, an equation, analogous to the Sand equation, should be developed which include both types of membrane.

Stanisław KOTER, Çağlar GÜLER, Izabela KOTER

Architecture, Civil Engineering, Environment, Volume 9 , ISSUE 3, 129–133

Article | 30-November-2018

Research on IPv6 Address Space and Super IP Upgrade

I. IPV6 ADDRESS SPATIAL STRUCTURE The IPv6 address space design is not a 128-bit address space that people think. Its special address structure leads IPv6 to go through three significantly different transitional versions if it is really implement 128 bits address space. The transition between the three versions is the same as going through three different IP protocols from IPv4 to IPv6. It is often unscientific to say that IPv6 can assign an IP address to every grain of sand on the planet. In

Tao Wang, Xiaodong Wang

International Journal of Advanced Network, Monitoring and Controls, Volume 4 , ISSUE 2, 7–14

Research Article | 17-October-2018

First Report of the Yellow Nutsedge Cyst Nematode, Heterodera cyperi, in Georgia, U.S.A.

) filled with sterilized sand: sand: soil mixture (1:2) and then inoculated with 1,000 eggs and J2 of H. cyperi. The plants were grown for 90 d in a greenhouse before examination of roots and extraction of cysts from the soil. Results showed that the nematode failed to reproduce on tobacco, tomato, and cucumber whereas white females and mature cysts of H. cyperi were observed on yellow nutsedge roots (Fig. 1E). The results confirmed that yellow nutsedeg was a host for the nematode, and tobacco, tomato

Abolfazl Hajihassani, Bhabesh Dutta, Ganpati B. Jagdale, Sergei A. Subbotin

Journal of Nematology, Volume 50 , ISSUE 3, 456–458

Research Article | 03-December-2018

Effects of vermicompost water extract prepared from bamboo and kudzu against Meloidogyne incognita and Rotylenchulus reniformis

split-root system in a greenhouse sterile sand-soil mix was examined, weed VCT suppressed root penetration of M. incognita on the other side of the root in two trials, but vegetable VCT was only effective in one trial. However, both VCTs did not suppress R. reniformis root penetration. When the effect of the VCTs was examined in two cowpea (Vigna unguiculata) field trials, drenching of VCTs did not affect cowpea growth and yield, but weed VCT reduced root-gall index compared to the water control in

Xiaodong You, Motoaki Tojo, Shelby Ching, Koon-Hui Wang

Journal of Nematology, Volume 50 , ISSUE 4, 569–578

research-article | 30-November-2020

The impact of chemical nematicides on entomopathogenic nematode survival and infectivity

above. There were 12 replicates, and the experiment was conducted twice on different dates. Virulence, penetration efficiency, and reproduction of EPNs IJ infectivity was assessed against G. mellonella using a sand-well bioassay in 24-well plates (Touray et al., 2020). During the assessment of IJ survival, 50 live IJs exposed to a given nematicide for 24 and 48 h were collected from each treatment and rinsed with water and then were transferred with 60 μl distilled water into wells containing 0.5

Mustapha Touray, Harun Cimen, Sebnem H. Gulsen, Derya Ulug, Dolunay Erdogus, David Shapiro-Ilan, Selcuk Hazir

Journal of Nematology, Volume 53 , 1–17

Research Article | 17-October-2018

First Report of Stubby-Root Nematode, Paratrichodorus minor, on Onion in Georgia, U.S.A

and sand, and then inoculated with 1,000 fresh P. minor. Plants were grown for 9 wk in a greenhouse at 25 ± 2°C prior to extraction of nematodes from soil. Plant roots were abbreviated and final population density of P. minor was 2,856 ± 104 per pot (285 nematodes/100 cm3 of soil) confirming the nematode parasitism on onion. To our knowledge, this is the first report of P. minor parasitizing onion in Georgia. Stubby-root nematode (Paratrichodorus sp.) has already been reported on corn, St

Abolfazl Hajihassani, Negin Hamidi, Bhabesh Dutta, Chris Tyson

Journal of Nematology, Volume 50 , ISSUE 3, 453–455

research-article | 26-April-2019

First report of Meloidogyne javanica on Ginger and Turmeric in the United States

Abolfazl Hajihassani, Weimin Ye, Brooke B. Hampton

Journal of Nematology, Volume 51 , 1–3

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