Results 71 to 80 of about 2,033 (217)

Accounting for the Evolution of China's Production and Trade Patterns

International Economic Review, EarlyView.
ABSTRACT We study the evolution of China's production and trade patterns during its integration into the global economy. Using firm‐level microdata, we document how production and exports shifted across industries and within industries across firms.
Hanwei Huang, Jiandong Ju, Vivian Z. Yue
wiley   +1 more source

Optimal Design of Inlet Passage for Waterjet Propulsion System Based on Flow and Geometric Parameters

Advances in Materials Science and Engineering, 2019
As an important overcurrent component in a waterjet propulsion system, the inlet passage is used to connect the propulsion pump and the bottom of the propulsion ship.
Weixuan Jiao, Li Cheng, Di Zhang, Bowen Zhang, Yeping Su, Chuan Wang   +5 more
doaj   +1 more source

Collaborative platooning and routing for mixed fleets of electric automated vehicles and conventional trucks

International Transactions in Operational Research, EarlyView.
Abstract The application of automated ground vehicles (AGVs) is well‐established in closed environments such as port terminals, while their operation in open areas remains challenging. In this work, we set out to overcome this limitation by introducing platooning as a transfer mode in heterogeneous vehicle networks.
Nadia Pourmohammad‐Zia, Rudy R. Negenborn, Frederik Schulte   +2 more
wiley   +1 more source

An Approximate Method for Calculation of Mean Statistical Value of Ship Service Speed on a Given Shipping Line , Useful in Preliminary Design Stage

Polish Maritime Research, 2015
During ship design, its service speed is one of the crucial parameters which decide on future economic effects. As sufficiently exact calculation methods applicable to preliminary design stage are lacking the so called contract speed which a ship reaches
Żelazny Katarzyna
doaj   +1 more source

Multi‐objective maritime vessel routing with safety considerations

International Transactions in Operational Research, EarlyView.
Abstract The routing of maritime vessels is a challenging optimization problem that involves finding an adequate balance between conflicting and multiple objectives. This paper proposes a methodology based on inverse optimization to find appropriate objective weights that account for conflicting objectives. To formulate the inverse optimization problem,
Nazanin Sharif, Mikael Rönnqvist, Jean‐François Cordeau, Jean‐François Audy, Gurjeet Warya   +4 more
wiley   +1 more source

Numerical Simulations of Propulsion Performance of Hull–Propeller–Rudder–Coupled System with Propeller Boss Cap Fins (PBCFs)

Journal of Marine Science and Engineering
Ship propulsion performance is important for navigating. This study aims to enhance the propulsion performance of a 9500 DWT ship by integrating PBCFs into the hull–rudder–propeller–coupled system.
Xiaoqing Tian, Haoliang Zhao, Jinliang Ma, Ming Lv, Hooi-Siang Kang, Junting Wang, Huachen Pan, Du Lin, Songkai Ren, Chizhong Wang   +9 more
doaj   +1 more source

The physiological response of juvenile diploid and triploid Arctic charr Salvelinus alpinus to exhaustive exercise

Journal of Fish Biology, EarlyView.
Abstract Triploidy is an effective tool for producing sterile fishes but often results in impaired performance in commercial aquaculture. In light of this, our study compared the physiological response to exhaustive exercise in juvenile diploid and triploid Arctic charr Salvelinus alpinus, a polar species with great potential for aquaculture.
John D. Clark, Tillmann J. Benfey
wiley   +1 more source

Assessing the influence of the global emissions reduction targets on the design and performances of a ship’s propulsion system

Annals of "Dunărea de Jos" University of Galaţi: Fascicle XI Shipbuilding
The paper presents aspects related the influence of the global gases emissions reduction targets on the design and performances of a propulsion system for a bulk carrier.
Alexandru-Ioan Stancu, Mihaela Amorăriței   +1 more
doaj   +1 more source

UC2‐ESP: A general‐purpose framework for open‐source microscopy control

Journal of Microscopy, EarlyView.
Abstract Building the optical setup for investigating biological questions comes with challenges. A major such challenge is setting up and synchronizing the control of multiple hardware components such as stages, cameras and lasers. With UC2‐ESP, we present a low‐cost electronics system powered by the ESP32 microcontroller (∼$10), designed as an ...
Benedict Diederich, Ingo Fuchs, Haoran Wang, Holger Bierhoff, Christian Kuttke, Rainer Heintzmann   +5 more
wiley   +1 more source

Prediction Power Propulsion of the Ship at the Stage of Preliminary Design Part II: Mathematical Model Ship Power Propulsion for Service Speed Useful in the Preliminary Design

Management Systems in Production Engineering, 2017
During the design of the ship the most important decisions are made at the stage of preliminary design. One of the most important design parameters assumed by the shipowner is its service speed in real weather conditions occurring in the shipping line ...
Szelangiewicz Tadeusz, Żelazny Atarzyna
doaj   +1 more source