Category: Engineering

Structure and working principle of transplanter

As shown in Fig. 1, the hanging cup transplanter mainly consists of a seedling feeding mechanism, a three-point suspension device, a planting mechanism, a planting depth adjustment mechanism, ground…

In this section, the qualities of the ESAO are verified through the CEC2017 test set. The whole experiments include the following parts: (1) test functions and experiment settings; (2) experiments on CEC2017 test set; (3) exploration and…

The exponential growth of wireless communication devices in recent decades has necessitated the development of antennas with increased adaptability. Traditional antennas are restricted by their fixed operating frequencies and radiation patterns,…

The specification of tested inductive CTs is presented in Table 1.

In Table 1, the following symbols and abbreviations are utilized:

R₂: The secondary winding resistance of the inductive CT…

Appleton, Wis.-based general contractor The Boldt Co. announced March 21 that its expanded its enterprise-wide partnership with Document Crunch to include all projects and review of risk at all project stages.

Document Crunch is a risk management…

AtkinsRéalis Chief Operating Officer Philip Hoare will take over as CEO of the London-based contracting giant Balfour Beatty PLC on the heels of the firm’s rebound from an over $60 million profit hit to its revenue last year. 

The company said…

Stephen Gardner, a longtime leader at Amtrak, resigned from its CEO role March 19. The move comes as the Trump administration has expressed dissatisfaction with the intercity passenger rail service.

“I am stepping down as CEO to ensure that…

Vulnerability of the Francis Scott Key Bridge in Baltimore to a vessel collision was nearly 30 times above the acceptable risk threshold for critical or essential bridges when it was struck last year by the disabled container vessel M/V Dali, the…

China is doubling down on more coal-fired power after a decade-long push toward renewable energy, with officials revealing their approval of a huge amount of new capacity ordered up last year. Construction of plants to produce an estimated 94.5…