Results 61 to 70 of about 84,610 (332)

Experimental Study on Working Solution Recovery in an Innovative Spraying Machine

open access: yesAgriEngineering
Sprayers for vineyards with solution recovery represent an important innovation, offering several advantages, the most important being the efficient use of pesticides and environmental protection.
Igor Pasat   +5 more
doaj   +1 more source

Small rocket engine Patent [PDF]

open access: yes, 1967
Regenerative cooling system for small rocket engine having restart capability and using noncryogenic hypergolic ...
Latto, W. T., Jr.
core   +1 more source

Carcinomas and Carcinoid Tumors of the Lungs and Bronchi in Children and Adolescents: The EXPeRT Recommendations

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Primary lung carcinomas and bronchial carcinoid tumors (BC) are very rare malignancies in childhood. While typical BC and mucoepidermoid carcinomas are mostly low‐grade, localized tumors with a more favorable prognosis than in adults, necessitating avoidance of overtreatment, adenocarcinomas of the lung are often diagnosed at advanced disease ...
Michael Abele   +19 more
wiley   +1 more source

Size-Dependent Tile Self-Assembly: Constant-Height Rectangles and Stability [PDF]

open access: yes, 2015
We introduce a new model of algorithmic tile self-assembly called size-dependent assembly. In previous models, supertiles are stable when the total strength of the bonds between any two halves exceeds some constant temperature.
Andrew Winslow   +3 more
core   +1 more source

Accumulations

open access: yes, 2021
There are several features of complex systems that make creating change in K-12 education difficult, including: delays between the intervention and outcome, unexpected or confusing responses to interventions, and differences in how individuals and groups experience the same systems.
Branz, Mikayla   +4 more
openaire   +2 more sources

Cryptographic Accumulator-Based Scheme for Critical Data Integrity Verification in Cloud Storage

open access: yesIEEE Access, 2019
Public cloud storage is a fundamental cloud computing service. Currently, most owners of large data outsource their data to cloud storage services—even high-profile owners such as governments.
Walid I. Khedr   +2 more
semanticscholar   +1 more source

Results of the Childhood Cancer and Leukaemia Group's United Kingdom Relapsed Wilms Tumour Trial

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background The United Kingdom relapsed Wilms tumour (UKW‐R) trial aimed to improve the historically low survival rates after relapse of Wilms tumour (WT) through a prospective national risk‐stratified protocol. The trial also evaluated efficacy and toxicity of high‐dose melphalan.
Sucheta J. Vaidya   +10 more
wiley   +1 more source

Exploring Preferences for a Digital Single‐Session Intervention for Adolescent Siblings of Youth With Cancer

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Introduction Adolescent siblings of children with cancer are at elevated risk for psychosocial problems. Unfortunately, various barriers such as limited family time and resources, conflicting schedules, and psychosocial staffing constraints at cancer centers hinder sibling access to support.
Christina M. Amaro   +10 more
wiley   +1 more source

Digital servo controller [PDF]

open access: yes, 1974
A system, for generating a signal to control the rotation of a shaft supporting an antenna so that the antenna is rotated the shortest angular distance from a present angular position to a new desired angular position, was described. The system comprises
Byrne, F.
core   +1 more source

An Alternative Paradigm for Developing and Pricing Storage on Smart Contract Platforms

open access: yes, 2019
Smart contract platforms facilitate the development of important and diverse distributed applications in a simple manner. This simplicity stems from the inherent utility of employing the state of smart contracts to store, query and verify the validity of
Patsonakis, Christos, Roussopoulos, Mema
core   +1 more source

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