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There’s an Art to Making Your Bed |
Posted by: ouopio45 - 01-27-2022, 07:30 AM - Forum: My Forum
- Replies (9)
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But you need to do more than just choose a good mattress and bed frame. How you dress the bed — whether you create a pared-down crash pad of white linen, say, or a mountain of down topped by a pile of colorful pillows — affects the way a room feels.
It’s similar to fashion, said Deanna Wu, the vice president of merchandising at the bedding company Brooklinen: The way you dress your bed should communicate something about how you want to live.
“Do you want it to have colors, layers of texture and a feeling of whimsy? Or do you want it calm?” she asked. “You can dress your bed as you dress yourself. It can be a reflection of your mood and style.”
We asked interior designers and bedding experts for advice on the basics, from fitted sheets to decorative throw pillows, as well as tips for dressing a bed that looks appealing during the day and encourages snuggling at night.
“I like to start with a really nice mattress pad that gives you a little padding underneath the sheet,” said Chad Dorsey, an interior designer based in Dallas, who frequently uses a Hotel Collection pad from Macy’s. “It doesn’t get too hot and has just the right amount of volume.”
Add Layers for Warmth
There are two basic strategies for bringing warmth to a bed: adding a duvet or using a bedspread, sometimes in combination with a blanket, just like a seat cushion.
Add Pillows
There are two types of pillows: those used for sleeping and those used for decorative purposes and sitting up in bed.
For a typical queen-size bed, you need a minimum of two sleeping lumbar cushion pillows in your preferred level of firmness (or a single Gel bedding memory foam pillow for a twin bed). But many designers use more. “Typically, four for sleeping,” Mr. Dorsey said. “Maybe two medium, and then two very soft.”
Those pillows should be stuffed into pillowcases that have a similar feel to your sheets. “You can have two that match the sheets,” Ms. Spets said, “and then you can have two that have another color or something that makes it more interesting.”
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Wire Rope Clips: Different Types, Installation, and Common Mistakes |
Posted by: ouopio45 - 01-27-2022, 07:26 AM - Forum: My Forum
- Replies (8)
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Wire rope is an extremely versatile mechanical device that can be used to help support and move an object or load. Whether for use on cranes or for other lifting applications, it’s important to have a solid understanding of the rigging components that are being used to attach to and lift a load.
Wire rope clips can be used to form a load bearing eye at the end of a cable or wire rope, or to connect two cables together with a lap splice. Wire rope clips are popular because they can be installed in the field and provide 80-90% efficiency of the rope breaking strength, depending on the diameter of the wire rope.
As a general guideline, they are NOT to be used for making slings, as ASME B30.9 Slings standard states: “Mechanical wire rope terminations requiring periodic adjustment to maintain efficiency shall not be used to fabricate slings.”
Examples of situations where a wire rope clip could be utilized include:
U-Bolt Wire Rope Clips
This type of wire rope clip is essentially a U-bolt, two nuts, and a metal base (saddle) that can be made from forged steel or cast iron. Careful consideration and attention must be given to the way U-bolt type wire rope clips are installed.
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The Advantages and Disadvantages of HDPE Geomembrane Liner |
Posted by: ouopio45 - 01-27-2022, 07:23 AM - Forum: My Forum
- Replies (8)
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HDPE Geomembrane (High-Density Polyethylene Geomembrane)
HDPE Geomembrane Liner has a very good UV resistance and functions well in cold temperatures. It is also strong and very stiff. HDPE Geomembrane Liner’s most desirable characteristic, though, might be its superior resistance to a wide range of chemicals. With its cheap price and the fact that many sheets can be joined using a welding machinery and accessories, HDPE Geomembrane become one of the most popular geomembrane types worldwide. HDPE Geomembrane Liner is used for landfills and chemical containment projects, but it is also safe and well-suited for fish ponds.HDPE Geomembrane Liner is very durable, the life can last upwards of 50 years when covered.
Unfortunately, HDPE Geomembrane Liner is far from perfect, Because it is stiff and heavy, HDPE Geomembrane Liner may be expensive to ship and can’t be customized shaped or assembled in a factory. Instead, you’ll have to pay extra installation costs to install on-site by professionals. These expenses make HDPE Geomembrane Liner most cost-effective for larger projects.
HDPE Geomembrane Liner’s lack of flexibility can also make installation more difficult, You must be careful when installing the HDPE Geomembrane Liner on the rough subgrade, since the material is vulnerable to punctures, and surface scratches that can become cracks over time.
HDPE Geomembrane Liner Advantages:
Comparing various geomembranes for your next geosynthetic application? Don’t overlook high-density polyethylene (HDPE) LLDPE geomembrane. HDPE has been in use for decades and during that time a number of studies have been conducted to test its longevity and ability to meet environmental sustainability project requirements. Here, we explore some of those studies to examine the benefits of HDPE compared with other geomembranes types such as polyvinyl chloride (PVC).
How Does the HDPE Geomembrane Contribute to Environmental Sustainability?
Compared with other geomembranes, HDPE has the highest theoretical unexposed service life at >100 years. This high service life potential makes HDPE a powerful tool for environmental sustainability efforts such as the safe closure of a landfill.
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The 13 Types of Flanges for Piping Explained |
Posted by: ouopio45 - 01-27-2022, 07:20 AM - Forum: My Forum
- Replies (8)
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Which are the most common types of flanges used in piping? How do they look like? The key types of flanges are the welding neck, long welding neck, slip-on flanges, socket weld, lap joint, threaded and blind flanges. In addition to these standard flanges, some special ones exist, called Weldoflange/Nipoflange and Elboflange, swivel flange, expander/reducer flange, and orifice flanges.
Long weld neck flanges (“LWN”) are similar to welding neck flanges, with the exception that the neck (tapered hub) is extended and acts like a boring extension.
Long weld neck flanges are generally used on vessels, columns or barrels. These flange types are available also in the heavy barrel (HB) and equal barrel (E) types.
SLIP ON FLANGE
a welding neck flange features a tapered hub, absent in a socket weld flange, which distributes the mechanical stress between the pipe and the flange more evenly
a welding neck joint as only one welding area instead of two (socket weld flange).
Another advantage of the welding neck flange is that it can be connected either to pipes and fittings, whereas socket weld flanges suit pipes only.
THREADED FLANGE
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Silicon Carbide (SiC): The Future of Power? |
Posted by: ouopio45 - 01-27-2022, 07:16 AM - Forum: My Forum
- Replies (8)
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Silicon carbide, also known as SiC, is a semiconductor base material that consists of pure silicon and pure carbon. You can dope SiC with nitrogen or phosphorus to form an n-type semiconductor or dope it with beryllium, boron, aluminum, or gallium to form a p-type semiconductor. While many varieties and purities of silicon carbide exist, semiconductor-grade quality silicon carbide has only surfaced for utilization in the last few decades.
- Lely method: During this process, a granite crucible heats to a very high temperature, usually by way of induction, to sublimate silicon carbide powder. A graphite product rod with lower temperature suspends in the gaseous mixture, which inherently allows the pure silicon carbide to deposit and form crystals.
In the solar industry, SiC-enabled inverter optimization also plays a large role in efficiency and cost savings. Utilizing silicon carbide in solar inverters increases the system's switching frequency by two to three times that of standard silicon. This switching frequency increase allows for a reduction in the circuit's magnetics, resulting in considerable space and cost savings. As a result, silicon carbide-based inverter designs can be nearly half the size and weight than that of a silicon-based inverter. Another factor that encourages solar manufacturers and engineers to use SiC over other materials, such as gallium nitride, is its robust durability and reliability. Silicon carbide's reliability enables solar systems to achieve the stable longevity they need to operate continuously for over a decade.
Saving the World with Silicon Carbide
Several key leaders in the silicon carbide space are providing bountiful resources and products centered around SiC. Cree Wolfspeed offers a variety of silicon carbide products, such as:
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What Procedures Are Done in a Cath Lab? |
Posted by: ouopio45 - 01-27-2022, 07:12 AM - Forum: My Forum
- Replies (8)
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Most X-ray devices are used for medical diagnosis, but for certain procedures the units can be both diagnostic and interventional. Among these belong mobile C-arms and cath lab system.
We have written about the use of mobile C-arm machines, but what procedures are done in a cath lab, and when would you use a cath lab rather than a mobile C-arm?
Let us take a look.
What is a Cath Lab?
Cath lab, short for catheterization laboratory, is an examination room in a hospital or clinic with diagnostic imaging equipment.
It is similar to a C-arm system except that it is not mobile but a mounted system with a table. It also has more power than a mobile C-arm.
In a cath lab, physicians perform minimally invasive tests and procedures to diagnose and treat, for example, cardiovascular diseases.
Most top providers of medical robot imaging equipment also manufacture cath labs. You can find cath labs from GE, Philips, Siemens as well as Canon Medical (former Toshiba).
What Procedures Are Done in a Cath Lab?
Typically, you would use a cath lab for:
The different types of interventional work require different characteristics of the cath lab with opration table. Nevertheless, the most important determinants to help you decide which cath lab fits your needs are:
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Canned Mushrooms: Are There Health Benefits |
Posted by: ouopio45 - 01-27-2022, 07:09 AM - Forum: My Forum
- Replies (7)
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Mushrooms are the reproductive structures produced by some fungi. A mushroom, or toadstool, is the fleshy, spore-bearing, fruiting body of a fungus. In a way, mushrooms are like the fruit of a plant. Instead of producing seeds, the mushroom fungus releases millions of microscopic spores that form underneath the mushroom’s cap.
Nutrition Information
A half-cup of canned, drained, mushroom in brine pieces contains:
2 grams of sugar
Canned mushrooms are a viable “meat replacer” thanks to their protein content and fleshy texture. Canned mushroom in SO2 are also an excellent source of:
Potential Health Benefits of Canned Mushroom in vinegar
Canned mushrooms have the same nutritional content as fresh mushrooms. However, the added sodium from the canning brine (saltwater) is something to consider if you are trying to limit how much sodium you have.
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Internal Combustion Engine Basics |
Posted by: ouopio45 - 01-27-2022, 07:06 AM - Forum: My Forum
- Replies (8)
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Internal combustion engines provide outstanding drivability and durability, with more than 250 million highway transportation vehicles in the United States relying on them. Along with gasoline or diesel, they can also utilize renewable or alternative fuels (e.g., natural gas, propane, biodiesel, or ethanol). They can also be combined with hybrid electric powertrains to increase fuel economy or plug-in hybrid electric systems to extend the range of hybrid electric vehicles.
Combustion, also known as burning, is the basic chemical process of releasing energy from a fuel and air mixture. In an internal combustion engine (ICE), the ignition and combustion of the fuel occurs within the engine itself. The engine then partially converts the energy from the combustion to work. The engine consists of a fixed cylinder and a moving piston. The expanding combustion gases push the piston, which in turn rotates the crankshaft. Ultimately, through a system of gears in the powertrain, this motion drives the vehicle’s wheels.
Spark ignition gasoline and compression ignition diesel engines differ in how they supply and ignite the fuel. In a spark ignition engine, the fuel is mixed with air and then inducted into the cylinder during the intake process. After the piston compresses the fuel-air mixture, the spark ignites it, causing combustion. The expansion of the combustion gases pushes the piston during the power stroke. In a diesel engine, only air is inducted into the engine and then compressed. Diesel and gasoline engines then spray the fuel into the hot compressed air at a suitable, measured rate, causing it to ignite.
Learn more about our advanced combustion engine research and development efforts focused on making internal combustion engines more energy efficient with minimal emissions with inverter generator.
An engine's power is limited by the amount of air it can ingest, which is why crankshaft-powered superchargers and exhaust-powered turbochargers were developed more than a century ago. Electric superchargers using recovered energy power the the Volvo Drive E and Mercedes M256 engines, among others; adding a motor/generator to a turbocharger eliminates lag under power and permits energy harvesting while cruising. Two interesting riffs on crank-powered superchargers are the Torotrak V-Charge centrifugal blower, which employs a CVT to quickly match speed to demand, and Hansen Engine Corp's Lysholm-type blower, which features a window that opens or closes to match demand for air pressure while minimizing losses to deliver turbo efficiency with supercharged responsiveness.
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Why Glass Is Best For Storing Food |
Posted by: ouopio45 - 01-27-2022, 07:02 AM - Forum: My Forum
- Replies (10)
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We know glass is 100% recyclable, but why is it better for storing food and choosing in the supermarket? We take a look.
Have you ever wondered what the best type of container is for recycling and reducing your plastic waste?
Without their lids, glass jars and glass kettle are made of one simple material which is easily recycled.
Plus making glass from recycled glass that already exists reduces the CO2 emissions compared to making it from scratch, says consumer movement Friends of Glass.
As well as reusing your glass storage containers to house any number of pickles, dry goods and sauces, you can even recycle your glass jar into candle jars at home.
2. Glass is inert
No chemicals can leach into food from glass jars or glass wine set because there aren't any and glass doesn't react with any types of food.
4. Less glass is being used
While glass can be heavy, new manufacturing and recycling methods are being used to use less glass to make items like wine bottles lighter, yet just as strong.
The weight of the average glass bottle has reduced by 40% over the last 15 years.
What store cupboard staples do you buy in glass cup bottles?
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Forward Curved Motorised Impeller |
Posted by: ouopio45 - 01-27-2022, 06:58 AM - Forum: My Forum
- Replies (8)
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When we have defined the volume flow rate that we require, whether this is to provide fresh air or process cooling, we need to combine this with the resistance to flow that the fan will encounter in the application. The volume flow rate, (in m3/hr) and the pressure (in Pascals - Pa), are combined to become the duty point against which the fan must operate. It is important that we select a fan whose performance characteristic meets the required duty point on or near the point of peak efficiency. Using the fan at its peak efficiency minimises the power consumption and noise emitted from the fan whilst delivering the required performance.As with the backward curved centrifugal fan, the suction side of the impeller blade draws air from the centre of the cross flow fan which results in a directional change of the airflow between the inlet and the exhaust of 90o.
Fan Characteristic
The optimum operating area for a forward curved centrifugal fan is when it is operating at higher pressure. A forward curved centrifugal fan works best when high pressures against lower volume flows are required. The graph below illustrates the optimum working area…
The volume flow is plotted along the X-axis and the system pressure is plotted on the Y-axis. When there is no pressure in the system, (the fan is blowing freely), a forward or backward curved centrifugal fan will produce the greatest volume flow. As a resistance to flow is applied to the suction or exhaust side of the fan, the volume flow rate will drop.
Caution should be exercised when selecting a forward curved blower to operate at low pressures and highest volume flow. At this point, the impeller is operating in an aerodynamic stall in the same manner as an axial flow fan operating in the saddle point of its curve. At this point noise and power consumption will be at its peak due to turbulence.
As mentioned previously, the forward curved motorised impeller produces high velocity air at the tips of the blade that needs to be directed and slowed to convert dynamic pressure into static pressure. To facilitate this, we build a scroll around the impeller. The shape is created by a ratio of distances from the centre of the impeller to the fan outlet. As with the backward curved fan it is also recommended to have a small overlap between the inlet ring and the mouth of the impeller. Both mounting considerations are shown in the diagram below…
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