The moon may not be as round as you think

We may think that we have a good understanding of the Moon, the celestial body closest to us, but it still maintains various secrets. We always thought it was round, but the recent discovery gave a different, in fact, it's shaped like a lemon.


The new study, published this week in the journal Nature, reveals that the Moon is not a ball, more like an oblate ball with a distinct mass. One of the newly discovered researchers, Ian Garrick Bessel, claimed that this is actually very difficult to describe. Imagine a balloon full of water spinning around its axis and rotating it to make it slightly flat. The measurement needed for this discovery uses a laser altimeter to draw a detailed map of the lunar surface, which has never been seen before. From these data, the researchers calculated the true terrain of the moon and learned about its actual shape. The past measurements were hampered by the roughness of the lunar rock surface.
Researchers at the University of California, Santa Cruz, said that the moon does not appear spherical, probably due to gravity when the moon is young. The gravitational force between the Earth and the Moon creates friction inside the Moon, causing it to deform, presenting the shape. After that, the moon's orbit gradually becomes larger and its gravitational force decreases, but the shape of the moon no longer remains.

Dock Ramp

stationary adjustable loading dock leveler ramp main role is a bridge between the cargo table and transport vehicles, makes forklift load and unload quickly .One end of the dock ramp is as high as the cargo table; the other side is on the rear edge of vehicle. it can automatically adjust height according to different car models and wagon box change in the process of loading and unloading.

There are stationary hydraulic dock leveler, dock leveler, stationary Loading Dock Ramps, dock leveler ramp, mobile dock ramp yard ramp,hydraulic loading ramp

Features   

System: The free maintenance designing for the long run

Safety: Structural safety legs provide supporting and below-dock loading. 10 Amp motor, hydraulic pump, Motor-runs off 220V single-phase electrical outlet

Structure:50,000 PSI high-tensile steel deck;

lip assembly depending on selected dock levler capacity;

Integral maintenance struck for deck spporting;

lip extension extends lip at full height;

clean-frame design for easy clean-up,maintenance and inspction;

Operation:push-botton desinging for operating

Working range:-250MM to + 300 MM; -300MM to +450 MM

Capacity: 25000LBS  to 35000LBS

Size: 6''x8'';7''x8'',6.5''x8'';6.5''x8''(Ft.)

Dock Ramp

Dimensions and specifications

Length  mm

2000/2500 /3000/3500/4500 mm

Width   mm

1800/2000/2200 mm

Operating range  mm

up 

304       365       425

down 

300       300       300

Thickness of the top sheet on the platform cover

Standard*     8/(0,8-2,4)* mm

Thickness of the lip

16mm

Color**

Blue   RAL 5005

Number of lift cylinders

Standard

1

on request

2

* In the brackets is the height of the embossing. 

** stoven baking, pre-treated in shot blasting chamber.

                                                                Technical specifications

Load capacity

6000 kg (60 kN)/10000 kg (100 kN)

Maximum point load

 top sheet 8 mm

 6,5 N/mm²

Motor hydraulic unit

  1.1KW

 Supply voltage

  380V,3 phases

 Control voltage

  24V

 Control unit protection class

 IP54 

 Working fluid

  Mobil DTE10 EXCEL

Class of surface cleaning before painting

 Sa2

 Thickness of painted layer

 60-90μm 

 Operating temperature

 -30 -- +50℃ 

                                                        Configuration and accessories

 

Standard

Optional

Mounting type

Embedded/suspended

Other upon request

Colour

Signal blue (RAL 5005)

 Other upon request

 Lip

 Length - 400 mm

 Length - 500 mm, segmented lip, tappered lip

 Hydraulic system

 1 lift cylinder, 1 control cylinder

 2 lift cylinders, low temperature oil –50°C

Seal

PVC-seal or brush along perimeter

Heat insulation

Polyurethane foam insulation under upper deck

Detailed image

Dock Ramp

stationary loading dock ramps

Components

mobile dock ramp yard ramp stationary adjustable loading dock leveler ramp stationary adjustable loading dock leveler ramp

Application

stationary adjustable loading dock leveler ramp

Other dock  level ramp

stationary hydraulic dock leveler


Dock Ramp

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Jiangxi Mide Industrial Co., Ltd. , http://www.midecrane.com