Results 11 to 20 of about 5,639 (213)

File Structure for an On-Line Catalog of One Million Titles

open access: yesInformation Technology and Libraries, 1973
A description is given of the file organization and design of an on-line catalog suitable for automation of a library of one million books. A method of virtual hash addressing allows rapid search of the indexes to the catalog file.
J. J. Dimsdale
doaj   +1 more source

Effects of Lake Sediment on Soil Properties, Crop Growth, and the phoD-Harboring Microbial Community

open access: yesAgriculture, 2022
Removal of lake sediment has been shown to be an effective method for lake restoration. High phosphorus (P) content makes it possible for lake sediment to provide fertility for agricultural production.
Feng Zhong   +5 more
doaj   +1 more source

Evaluation Indexes of Poplar Sawdust and Alfalfa Grass Forming Pellets

open access: yesBioResources, 2023
An experimental study was conducted to obtain the degree and pattern of influence of the interaction of various test factors on the evaluation indexes of biomass-forming pellets and the optimal combination of test parameters.
Xuehong De   +6 more
doaj   +2 more sources

Buckling of elastically restrained cantilever wall with free edge stiffening

open access: yesBudownictwo i Architektura, 2014
The issue of the stability loss in a compressed wall of a thin-walled member with an open cross section was reduced to the buckling analysis of the cantilever wall. The wall was unilaterally elastically restrained against rotation.
Andrzej Szychowski
doaj   +1 more source

CHANGE ON SPEED AIR CHARACTERISTICS THE POWER INDICATOR INDEXES OF PNEUMATIC ENGINE WITHOUT HEATING THE CHARGE DURING THE ADMITTANCE [PDF]

open access: yesAvtomobilʹnyj Transport (Harʹkov), 2014
The experimental data on change according to speed characteristics of power indicator indexes of the four cylinder pneumatic engine D/S = 76/66 with a slide-valve air distributor at unchangeable temperature of compressed input air is considered.
A. Voronkov
doaj  

Prefix-free parsing for building big BWTs

open access: yesAlgorithms for Molecular Biology, 2019
High-throughput sequencing technologies have led to explosive growth of genomic databases; one of which will soon reach hundreds of terabytes. For many applications we want to build and store indexes of these databases but constructing such indexes is a ...
Christina Boucher   +5 more
doaj   +1 more source

Evaluation of Compression Behaviors of Marine Clay Reinforced with Waste Shredded Tires

open access: yesAdvances in Civil Engineering, 2021
This study evaluates the compression behaviors of a soft marine clay reinforced with waste shredded tire (WST) at different sizes (
Weijuan Geng   +4 more
doaj   +1 more source

Experimental Study and Simulation of the Stress Relaxation Characteristics of Machine-Harvested Seed Cotton

open access: yesApplied Sciences, 2021
Seed cotton compression molding solves the inconvenience of seed cotton transportation and storage after mechanical harvesting. Stress relaxation is closely related to the performance of the compressed seed cotton.
Jun Wang   +6 more
doaj   +1 more source

CHANGE OF EFFECTIVE ENERGY INDEXES OF PNEUMATIC ENGINE OPERATION ASSERDING TO SPEED CHARACTERISTICS [PDF]

open access: yesAvtomobilʹnyj Transport (Harʹkov), 2015
The effective indexes of the working process of the pnevmatic engine with an air-distributor valve obtained according to the results of experimental research are presented.
A. Voronkov
doaj  

USING BIG DATA TO UNDERSTAND CVD RISK AT THE POPULATION LEVEL

open access: yesAmerican Journal of Preventive Cardiology, 2023
Disclosure: This study is funded by NIH Award # 1362134. Therapeutic Area: ASCVD/CVD Risk Factors Background: In 2019, cardiovascular disease (CVD) led to over 240 deaths and 5081 years of disability adjusted life years (DALY) per 100,000 individuals ...
Radha Patel   +3 more
doaj   +1 more source

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