本教程适用版本：WPS 365 点击免费使用
公式审核
过公式求值、错误检查等方式对公式进行审核，确保公式得出正确的结果。
弹出“公式求值”对话框，对公式每个部分单独求值以调试公式。例如：我们需要对判断两个单元格的和是否大于3，通过IF函数进行判断并返回相应的值。
在公式选项卡下单击“公式求值”，单击求值，查看公式计算过程。如下图所示：
》免费升级到 WPS 企业版：多人协作在线文档，大容量企业云盘
当工作表单元格中的公式触发错误后，显示错误检查选项按钮。除了按钮本身单元格标记在左上角的小绿色三角形。
》免费升级到 WPS 企业版：多人协作在线文档，大容量企业云盘
错误检查选项可以对标记颜色和规则进行设置。
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Discover the Seattle Mattress, thoughtfully designed with button-style features that keep it perfectly plumped and maintain even distribution of its extra bouncy recycled fill. This pet bed is the ideal choice for dogs who love to sprawl out or curl up, offering unparalleled comfort, warmth, and support regardless of their size or shape.
Choose from a variety of sizes and colours to match your pet’s preferences and your home’s décor. Plus, enjoy the convenience of a washable bed, making care and maintenance a breeze.
Give your furry friend the gift of ultimate comfort with the Seattle Mattress today!
Before ordering please ensure your chosen size is right for your dog. For guidance please see our Size Guide.
Please note: The images should not be used as a specific size representation, please make sure to refer to the size and measurement details to determine which size is suitable for your pet.
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VELO Peppermint 4mg pouches are tobacco leaf-free nicotine pouches that have a cool, sweet peppermint flavor.
It is important that you use your VELO nicotine pouches properly. Follow these 4 steps to get underway with your pouches:
The VELO range of products, made by British American Tobacco, offers an alternative to traditional oral nicotine products. Their range includes nicotine pouches and lozenges, which are derived from nicotine extracted from the tobacco leaf, instead of the leaf itself. This makes them a popular choice for those wanting an oral nicotine product that is both smoke and spit free, and easy to use indoors and on the move. American VELO products have been adapted with flavors and strengths to suit the preferences of American users.
Buy VELO nicotine pouches on Northerner for competitive prices and fast shipping!
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The Trixie Baza Cat Scratching Post XXL Cat Hammock creates the perfect place for cats to scratch, nap, play, and relax!
Why We Love It:
The Trixie Baza Cat Scratching Post – Cat Hammock provides a great place for cats to scratch, nap, and play! It features 2 natural sisal scratching posts for any cats scratching instincts. Its fun dangling pom toy encourages endless batting play. The super-soft long haired plush base and cat hammock invite cats to relax, perch, or nap in comfort!
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If you’re pregnant, you might have been told that you’re “glowing”—and many women even notice that baby magic spreading to their scalps, with their hair getting thicker and more luxurious while they’re expecting.
Hormones cause a lot of changes in your body during pregnancy, but could they also cause you to experience hair loss? Read on to uncover what happens to your hair follicles while you’re pregnant, and learn how you can support optimal hair wellness throughout your pregnancy.
Maybe you’ve heard that hair gets thicker and fuller during pregnancy, and the good news is that it’s not just an old wives’ tale. Changes during pregnancy increase levels of estrogen and other hormones in the body, and these hormones impact the duration of normal hair growth cycles.
“During pregnancy, there is a change in the length of each cycle of hair growth,” explained Dr. Erum Ilyas, board-certified dermatologist and founder of AmberNoon. Our follicles produce hair in a cycle of phases. First is the anagen phase, the period of active growth during which a follicle produces hair continuously. The anagen phase is the longest phase and can last for several years. Next comes the catagen phase, when a follicle stops hair growth over the course of a few weeks. The hair then enters the telogen phase, during which it rests in the follicle for about three months. Finally, during the exogen phase, the hair falls out.
“During pregnancy, there is a lengthening of the anagen phase, with less hairs transitioning to the resting phase where they can potentially shed,” said Dr. Ilyas. “With more hair in the active growth phase, there is the appearance of thicker hair.”
Longer anagen phases mean less hair falling out during pregnancy, which temporarily increases the volume of hair on your head while you’re expecting.
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Postpartum hair loss is a temporary and typically fully reversible form of hair loss that happens after pregnancy. After you give birth, another huge hormonal shift occurs, and all those strands that didn’t fall out while you were pregnant will move into the resting telogen phase to be eventually shed.
The significant hormonal changes that are triggered when you give birth can also cause additional hair follicles to transition prematurely to the telogen phase, and you might experience a more drastic bout of hair loss (called telogen effluvium) about three months after delivery.
What to Expect After You’re Expecting: Postpartum Hair Loss, Explained
Since the hormonal increases associated with pregnancy tend to prevent hair shedding, abnormal hair loss during pregnancy is uncommon—but it’s not impossible.
“If there is hair loss in excess of normal hair shedding during pregnancy, [it] would imply some sort of trigger,” Dr. Ilyas explained. “Anemia, thyroid abnormalities, poor blood sugar control, blood pressure changes, hormonal fluctuations, stress, and other triggers for telogen effluvium could be at play.”
Luckily, permanent hair loss during (and after) pregnancy is not typical—but continue reading to better understand what could be at play behind hair falling out while you’re expecting.
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It is also possible (though rare) for thyroid function to slow during pregnancy. Called hypothyroidism, this condition occurs when the thyroid gland does not produce or secrete enough hormone. Just 2 to 3% of women experience gestational hypothyroidism, and it is treatable. Thyroid hormone is important for fetal development, and it also plays a part in the functioning of our hair follicles—so if you have gestational hypothyroidism, it might lead to hair loss, among other symptoms.
Read More: Hair Loss and Thyroid Disorders
Iron deficiency—or anemia—is a more common occurrence during pregnancy and has been linked to hair loss. Fortunately, iron levels (along with other vitamins and minerals) can be easily monitored during pregnancy by way of routine blood tests. Anemia and any associated hair loss—during pregnancy or otherwise—can be addressed with supplements or through changes to diet.
Another rare pregnancy-related condition, hyperemesis gravidarum, or HG, can also indirectly cause nutritional deficiencies. Characterized by extreme nausea and vomiting, the symptoms of HG can prevent expecting mothers from eating or drinking normally, a side effect that can be completely debilitating.
Fill In the Blanks: What Vitamin Deficiencies Cause Hair Loss?
Gestational diabetes refers to diabetes diagnosed in pregnant women who don’t have a prior diabetes diagnosis. It’s fairly common, developing in 2 to 10% of pregnancies, and typically develops during the second or third trimester. According to the CDC, about half of women who develop gestational diabetes will go on to develop type 2 diabetes after pregnancy. Diabetes and insulin resistance are associated with hair loss in multiple ways.
So, is there a specific trimester of pregnancy when expecting moms might lose hair? The short answer is that it’s more likely to occur later on.
“Technically, [hair loss] is possible at any point of the pregnancy; however, based on the timing of when gestational diabetes, stress, and blood pressure changes occur, the second and third trimester may be the most likely time for hair loss to occur,” Dr. Ilyas explained. With that said, you might still notice increased hair shedding during your first trimester or at any other point during pregnancy.
See also: How to Minimize Hair Loss from Stress
If you’re pregnant and and are noticing what seems like more hair shedding than normal, talk to your doctor right away, as it could be a sign of an underlying health issue.
“Discussing [excessive hair loss] with your obstetrician is important to evaluate bloodwork, blood pressure, and ensure that there are no abnormalities that need to be addressed,” Dr. Ilyas added. Be sure to talk to your doctor before you begin taking any supplements or making changes to your diet or routine.
Here are some ways to support healthy hair during pregnancy that are equally applicable and important for hair wellness when you’re not pregnant, too!
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The building blocks for healthy hair are best obtained through food sources, such as fresh fruits and veggies and healthy proteins and fats.
There are plenty of healthy, hair-friendly foods you can add to your diet during pregnancy and beyond. Tangerines, strawberries, oats, peanut butter and avocado are just a sampling of delicious and nutritious foods that help support healthy follicle function and are safe to eat while pregnant.
Munch on This: 12 Best Foods for Hair Growth
If you’re dealing with increased hair shedding while pregnant, think about giving your scalp a little extra TLC so your follicles are pampered to the max.
Avoid tight hairstyles, such buns, ponytails, extensions and braids, and limit heat styling whenever possible. Skip potentially harsh chemical treatments, which some experts recommend avoiding altogether, anyway.
Consider a topical treatment to encourage thicker-looking hair like best-selling GRO Hair Serum. It leaves hair looking thicker, healthier, stronger and more resilient.
We get this question a lot. Only your obstetrician can you tell you what’s safe for you, but, we can tell you that the reason that most serums aren’t safe for pregnant women is because they contain hormones. And the more common hair serums contain minoxidil, which is a drug. VEGAMOUR hair serums do not contain synthetic hormones, nor do they contain drugs.
They’re always vegan and natural. But just to be sure, we’d recommend that you take a list of the ingredients (found on any product page) to your doctor.
Stress is never any fun, but it’s especially burdensome when you’re carrying a baby. And yet, there are many parts of being pregnant that can create stress in and of themselves, to say nothing of normal life stressors.
Since stress can impact how our hair follicles behave, worry over hair loss can ironically cause more hair loss. When you’re managing stress for two, consider how the things you can control—like a healthy sleep schedule and daily routine—might better support you, allowing you to decrease levels of cortisol (the stress hormone) in the body.
You can also incorporate mindfulness techniques in your day, such as meditation, prenatal yoga, spending time outdoors or just having a good laugh. These are all natural ways to reduce cortisol.
And while you’re indulging in some extra TLC, consider treating yourself to a scalp massage. In one study, scalp massages were linked to decreased cortisol, blood pressure and heart rates, and another indicated that scalp massages could stimulate new hair growth—win, win, win!
Shop: Dr. Neera Nathan’s Top VEGAMOUR Picks
Thinning hair (or loss of hair) during pregnancy is uncommon, but it can happen. When it does occur, an underlying condition is typically at play, causing hair to fall out. So if you’re pregnant and noticing excessive hair shedding or thinning, be sure to talk to your doctor as soon as possible.
Taking a holistic approach to your hair wellness through your health and well-being is good for your hair follicles, your baby and yourself alike — so treat yourself right, hair and otherwise!
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Author
Lauren Wilson
Author
Lauren Wilson
Lauren M. Wilson is a five-time published author, freelance writer and editor. She has built a career on investigating cultural niches and her latest works, including three books, have focused on advancing the mainstream conversation on plant medicines through education. She lives in Brooklyn, New York.
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Fujian Longxi Bearing(Group) Corp., Ltd. was awarded a patent for innovative spherical plain bearing molds.
Fujian Longxi Bearing(Group) Corp., Ltd. was recently granted a patent related to “molded spherical plain bearing manufacturing mold”. The official authorization announcement number of this patent is CN 114701122 B, and the initial application submission date is in April 2022.
Recently, Shanghai United Rolling Bearing Co., Ltd. (hereinafter referred to as “Coupling”), a subsidiary of Shanghai Jiyou, delivered new hydraulic pump supporting bearings to Shanghai Electric Hydraulic and Pneumatic Co., Ltd. (hereinafter referred to as “Electric Hydraulic”), also a subsidiary of Shanghai Electric Group, and successfully passed the The first round of installation tests realizes import substitution.
Since May 2023, Coupling has cooperated with Electro-Hydraulics to carry out a research and development project for heavy-duty long-life series bearings supporting new hydraulic pumps. The project mainly includes three non-standard bearings, which are located in the main shaft support system of the hydraulic pump. They need to meet requirements such as high efficiency, energy saving and environmental protection, high reliability, and long life to ensure stable operation under heavy load conditions.
In this cooperation, relying on Shanghai Electric's internal supporting advantages, the two parties have in-depth collaboration and formed a synergy. Relying on its technical strength and innovation capabilities in the field of rolling bearings, Coupling provides one-stop bearing solutions to help electro-hydraulic optimize the internal design of products to ensure that bearing products meet the needs in terms of wear resistance, stability and other performance indicators. And relying on the complete experimental machine testing system, the first round of sample accelerated fatigue testing was completed to escort the installation testing of electro-hydraulic products.
The delivery of this heavy-duty, long-life hydraulic pump supporting bearing project is not only a successful case of Shanghai Electric's internal supporting, but also marks a breakthrough in couplings in the hydraulic pump market, setting the stage for further expansion of hydraulic products and its downstream engineering machinery bearings. The supporting market has created conditions.
Corrosion-resistant metals are essential components of many engineering projects. These special alloys provide scientists and engineers with technological solutions that maintain the integrity of their projects for long periods of time, even under the most extreme weather conditions or contact with water or various liquids.
Due to the ability to resist corrosion and oxidation, these specialized metals offer superior protection from adverse environmental conditions and extend the lifespan of a product.
Corrosion-resistant metals also require minimal maintenance over extended periods of time compared to unprotected metals, making them extremely cost-effective solutions. This article will discuss how to utilize the right corrosion-resistant metal for your application.
Corrosion-resistant metals are substances that provide a protective layer against corrosion and oxidation. These materials are a special class of metals designed to resist damage from environments that would normally be corrosive such as moist air, acid rain, and salt water.
They can range from alloys like nickel-chromium steel to synthetic composites, depending on the severity of the environment they will be exposed to.
Engineers often use corrosion-resistant metals in place of traditional iron or steel where harsh or extreme conditions are present. This property gives them the assurance that their designs will stand up to aggressive weather conditions and put less strain on maintenance and replacement costs over time.
Corrosion-resistant metals represent an important advancement in engineering, construction projects, and many other areas of industry.
Corrosion resistance involves a range of factors, such as electrochemical reactivity, alloys, and coatings. For example, their heat treatment processes can influence how susceptible a metal is to corrosion. Alongside this, certain alloys and treatments can greatly enhance the metal’s resistance to corrosive agents.
Additionally, some oxidation-resistant coatings, such as zinc and nickel galvanization, minimize the impact of corrosion by creating a physical barrier between the metal and the environment. When all these elements are brought together, they create a strong combined corrosion resistance potential within the affected metal.
Corrosion-resistant metals can be a crucial part of any engineering project. The most popular solutions are stainless steel, aluminum alloy, nickel alloys, and copper alloys. However, iridium is the most corrosion-resistant metal known to man.
W.carter, CC BY-SA 4.0, via Wikimedia Commons
Stainless steel is a popular corrosion-resistant metal due to its high chromium content, which makes it highly resistant to rust, staining, and corrosion. It is also available in a wide range of shapes, sizes, and grades depending on the application and environment.
Gt-man, CC BY-SA 2.0 DE, via Wikimedia Commons
Aluminum alloys are also popular for their resistance to corrosion but may have poor corrosion resistance in water environments. Aluminum alloys have a relatively low density and good formability for fabrication into various shapes and forms. They can be heat treated for increased strength when needed.
Nickel-cobalt alloy, CC BY-SA 4.0, via Wikimedia Commons
Nickel alloys are known for their excellent corrosion resistance as well as a wide range of mechanical properties. Nickel alloys often contain chromium or nickel-iron precipitation-hardening stainless steels that offer superior hardness and strength even at elevated temperatures.
Finally, copper alloys offer excellent electrical conductivity with outstanding corrosion resistance in certain environments. Copper alloys are also lightweight and strong, which makes them great for applications such as marine equipment, piping systems, valves, pumps, fasteners, and more.
The most common uses for these materials include marine applications, food processing equipment, and aerospace components.
Marine applications require metals and alloys that have superior resistance to corrosion from sea salt and other elements found in seawater. Stainless steel is a good choice for marine applications due to its good strength-to-weight ratio, good electrical conductivity, and excellent corrosion resistance.
Furthermore, stainless steel also offers a range of grades with increased corrosion protection, such as 316L or duplex stainless steel.
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Food processing equipment must also be able to resist the corrosive effects of food products like acidic liquids, oils, and grease. Stainless steel is a popular choice for these applications because it is easy to clean, resists corrosion, and has a long lifespan, even in harsh environments.
Nickel alloys are also suitable for food processing equipment due to their high-temperature strength and excellent oxidation resistance.
Aerospace components need superior levels of performance at extreme temperatures, from low temperatures on the surface to high temperatures in supersonic flight. Nickel alloys are often used in aerospace components due to their combination of high strength, wear resistance, fatigue properties, and oxidation resistance at both low and elevated temperatures.
Copper alloys may also be used for specific application needs, such as cryogenic plumbing systems or wiring bundles where their high electrical conductivity is needed.
When deciding on a corrosion-resistant metal, key considerations include the environment where it will be used, the metal’s form factor, and the cost of the alloy.
Knowing the environment or application where your metal will be used is an important step in selecting a corrosion-resistant metal. Different metals possess different levels of resistance to various corrosive environments, such as seawater, acidic liquids, and more.
Understanding the environment the metal must endure is key when evaluating what type of corrosion-resistant alloy you should use.
The form factor of the metal also plays a role in choosing the right corrosion-resistant metal for your project. Many different types of alloys are available in sheet, bar, tube, or coil form, so deciding which one best suits your needs is necessary.
Additionally, maintenance considerations may come into play when deciding between sheet versus bar, so it’s important to consider how easy replacing pieces with new stock might be for future maintenance needs.
Finally, cost should be taken into consideration when choosing a corrosion-resistant alloy for your project. Some metals can be very expensive due to their increased performance characteristics and availability, while other less expensive options may not offer the same level of protection from corrosive elements.
It’s vital to weigh cost versus performance when making this decision.
Gensun specializes in providing customers with the necessary expertise to choose the right corrosion-resistant metal for their project. With decades of experience, Gensun can provide guidance on selection and performance to help customers make an informed decision when selecting a metal alloy that will suit their specific needs.
In addition, Gensun also offers CNC machining services so you can have your custom parts made to exact specifications with precision accuracy, no matter what type of metal or alloy you select. With these services, you can be sure that your project is built with quality components that are designed to last and hold up against even the harshest of elements.
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