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PLS Scholars participate in classroom discussion at George Washington's Mount Vernon. Photo by Grant Miller for the Presidential Leadership Scholar Program.
Lego modules forming a goblin fortress for the RPG "Äventyr". A Swedish beginners RPG for children of ages 7+. The legomodules were built specifically for the gaming event Nordsken #2 in skellefteå 28-30 september 2012
Xbee modules remote node on perf board and explorer with usb serial
interface which goes connects to desktop computer.
Switzer's new digital lowering module (DLM) is the best in the industry, featuring fully digital operation with no-cut/no-splice installation and USB connectivity for easy, precise adjustments.
PLS Scholars participate in classroom discussion at George Washington's Mount Vernon. Photo by Grant Miller for the Presidential Leadership Scholar Program.
Development Impact and the PhD Scholarship - Tool Kit training held at Cumberland Lodge, Windsor from 30 July - 1 August 2014
Presidential Leadership Scholars - Mt. Vernon, VA. Photo by Grant Miller for the Presidential Leadership Scholar Program.
PLS Scholars Tour the National Archives. National Archives, Washington, DC. Photo by Grant Miller for the Presidential Leadership Scholar Program.
1.Solar Module:140W
2.1445mm*673mm*40mm
3.Polycrystalline Silicon
Model
PS-140-12V
Max Output Power
Pm(W)
140
Tolerance
±(%)
5
Max Power Voltage
Vpm(V)
17.6
Max Power Current
Ipm(A)
7.95
Open Circuit Voltage
Voc(V)
22.1
Short Circuit Current
Isc(A)
8.56
Max System Voltage
(VDC)
1000
Cell Efficiency
(%)
15.7
Module Efficiency
(%)
14.4
Cell Quantity/Connect Method
36pcs poly cells(4×9)
Module Size
1445mm×673mm×40mm
Standard Test Condition
AM1.5, 25,1000W/
Length of Cables
900mm
Module Frame
Aluminum Alloy Frame
Warranty
2years warranty for products,
10years warranty for 90% power,
25years warranty for 80% power
Packing
Carton/Pallet
solar panel ,solar cell,solar module,pv module,solar system
1.polycrystalline solar module 130W,pv solar panel module.
2.We,Polysun energy co.,ltd. as a professional manufacturer for solar panel, can supply any watt each panel with very competitive price. we are strong from 10W to 230w, both mono and poly solar panel.even customized solar panel.you can visit our website www.polysunny.com to get more information.
3.We can furnish OEM service.
4.According to customer 's demands to provide the amount of product
5.We have best price with high quality
'Break the rules composition'
Find and shoot a rural or urban landscape that works with a central composition. Get the basics right in terms of settings, metering, exposure and focusing, and how you frame your shot.
As I was shooting this a local lady told me that the plastic cartons on the water are not usually there. I liked the random scattering and the white linking the water through the lighthouse to the sky.
*Homework submission for this module, and that folks, is it.
www.photoanswers.co.uk/poty2012/ypoty2012/Media-Gallery-D...
Och, went out on a silver - but at least I completed this course and learned loads which is the point at the end of the day. I'm happy.
Voskhod 1 descent module, 1964
The three cosmonauts' couches inside Voskhod were only fitted with difficulty, making the crew crane their necks to see the instrument panels. With no space for a means of escape to be fitted, a retrorocket slowed the spacecraft as it returned to Earth, enabling the cosmnauts to remain on board for the entire mission.
[Science Museum]
Taken from the Cosmonauts: Birth of the Space Age exhibition at the Science Museum (September 2015 to March 2016).
BEST Grounding Module
Performance and characteristics of BEST grounding module:
The low-resistance grounding module is a non-metallic material-based grounding body composed of non-metallic minerals with good conductivity and chemical stability, metal ground rods, electrolytes and humectants.
Ground Module performance and characteristics
1. The contact resistance is greatly reduced.
The main material of the grounding module is similar to the physical structure of the soil, and can be integrated with the soil, so that the effective contact area between the grounding body and the soil is increased by many times compared with that between the traditional metal grounding body and soil, which has increased the flow area of the grounding body itself and greatly reduced contact resistance of the grounding body to the soil.
2. The grounding resistance is stable
The grounding module has strong moisture absorption and moisturizing ability, ensuring that the grounding module can effectively play the conductive function. At the same time, the conductive characteristics of the grounding body are not affected by the weather changes such as dry humidity, high and low humidity. Therefore, it can provide a stable low grounding resistance.
Ground Module
3. Reduce ground potential counterattack
The non-metallic material in the grounding module forms a low-resistance region with a gentle change between the metal and the soil with a large difference in electrical resistivity. When encountering a large current surge, the potential gradient of the grounding body and the grounding wire can be lowered to lower the step voltage and the contact voltage so as to reduce the probability of counterattack of the ground potential.
4. Long service life
The main material of the grounding module is similar to the physical structure of the soil, and can be integrated with the soil, so that the effective contact area between the grounding body and the soil is increased by many times compared with that between the traditional metal grounding body and soil, which has increased the flow area of the grounding body itself and greatly reduced contact resistance of the grounding body to the soil.
5. Simple construction and installation
Compared with the traditional metal grounding device, the construction work is greatly reduced.
Ground module use range:
1. Working grounding, safe grounding and lightning protection for power plants, substations, switching stations, high-voltage transmission lines, electrified railways, telecommunications, mobile communication base stations, microwave relay stations, ground satellite receiving stations and radar stations;
2. Working grounding and protective grounding for valuable precision instruments, computer room equipment, postal and telecommunications program control equipment, radio and television equipment, and electronic medical equipment;
3. Lightning protection of various high-rise buildings, tall structures, scenic ancient buildings and tall memorial towers;
4. Lightning protection of oil pipelines, oil and gas tanks, and inflammable and explosive material warehouses.
Ground Module usage method:
1. The low-resistance grounding module can be vertically embedded or horizontally embedded, and the embedded depth should not be less than 0.6 m, generally 0.8- 1.0 m.
2. When several modules are embedded in parallel, the module spacing should not be less than 4.0 meters. If the conditions are not allowed, it can be appropriately reduced. At the same time, the value of the module utilization coefficient should be reduced when the amount of module is calculated.
3. When the module pole cores are connected in parallel or connected to the ground wire, they must be welded, with the welding length no less than 100mm.
4. The welding slag should be removed at the weld, coated with anti-corrosive conductive paint or wrapped with HD-JZ high-efficiency swelling resistance-reducing agent.
5. During backfilling, it should be sprinkled with water in an appropriate amount, tamped in layers and watered again after backfilling. Meanwhile, the grounding resistance should be measured after the module is fully hygroscopically absorbed (72 hours).
Ground Module Specifications:
Product NameModel No.DimensionWeight(KG)Note
Cyliner Graphite mouldBSD-GMCD160*80030
D260*100050
Plum blossom Graphite mouldBSD-GM-PBD160*80030
D260*100050
Square graphite mouldBSD-GM-FS500*400*6020
Precautions；
1. The storage module should maintain a certain humidity to avoid high temperature, dryness and explosion;
2. External force should be avoided to damage modules during transportation and installation;
3. In cold areas, the module should be embedded below the frozen layer.
Usage calculation
According to the soil resistivity of the grounding network soil layer, the amount of HD-GO grounding module is calculated by the following formula; horizontal embedding, single module grounding resistance: total grounding resistance after parallel connection.
BEST grounding module
In the formula
ρ- soil resistivity (Ω.m)
a and b- length and width of the grounding module (m)
Rj- single module grounding resistance (Ω)
Rnj- total grounding resistance (Ω)
n- number of grounding modules
η- module adjustment factor, generally 0.6 -0.9
1.solar module:80W
2.polycrystalline silicon
3. 1062*666*35
solar panel ,solar cell,solar module,pv module,solar system
1.polycrystalline solar module 80W,pv solar panel module.
2.We,Polysun energy co.,ltd. as a professional manufacturer for solar panel, can supply any watt each panel with very competitive price. we are strong from 10W to 230w, both mono and poly solar panel.even customized solar panel.you can visit our website www.polysunny.com to get more information.
3.We can furnish OEM service.
4.According to customer 's demands to provide the amount of product
5.We have best price with high quality
Presidential Leadership Scholars - Mt. Vernon, VA. Photo by Grant Miller for the Presidential Leadership Scholar Program.
Presidential Leadership Scholars - Mt. Vernon, VA. Photo by Grant Miller for the Presidential Leadership Scholar Program.
The Arduino Module maps Arduino input terminals to CML object properties. With this module you can connect:
switches to boolean properties such as visibility
continuous controllers (dials, sliders, pressure sensors, etc) to any numeric property such as scale and position.
RFID to boolean properties
Learn more at Open Exhibits
The Whiskeytown Fire Module descending the stairs from the Ross Lake Dam to the Ross Lake Boathouse.
NIMO Teams are often mobilized to manage remote fires with complex logistics. The Chilliwack Complex of fires are located in remote wilderness areas along the U.S.-Canadian Border in the northwest corner of North Cascades National Parks Complex in Washington state.
Fifteen Wildland Module firefighters were inserted into the remote Hozomeen area at the north end of Ross Lake to conduct structure protection assessments on cabins and other structures. The voyage to get them to their insertion point involved; a drive to a boat launch, a ferry a cross a lake to another boat dock, a truck ride up a steep hill to a second dam, and a nearly 3 hour boat transport to a remote wilderness camp.
Photo depicts four crew members carrying large packs and tools walking down a set of metal stairs.
Forest Service photo by Kerry Greene