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  Building materials is a general term for materials used in civil engineering and construction, including cement, concrete, wood, stone and a series of construction and decoration materials. In the production and actual use of building materials, foam often appears due to irrational grading and other reasons. Why does foam appear in the production and use of building materials? 1. Unreasonable grading, too much coarse aggregate and too little fine aggregate lead to large gaps in the building materials, which is easy to produce foam; 2. Inappropriate size of aggregate, too high content of needle and flake particles, leading to the emergence of foam; 3. In order to improve the performance and strength of building materials, often add a certain proportion of chemical additives, such additives belong to the surfactant, with foaming properties; 4. The mixing operation of the equipment and the uneven surface of the substrate make it difficult for air to escape and form foam. What are the ha

  1.   Regulating valve Regulating valve, also known as control valve, is a final control component in the field of industrial automation process control that changes process parameters such as medium flow rate, pressure, temperature, and liquid level through power operation by receiving control signals output from the regulating control unit. It is generally composed of an actuator and a valve. If according to the characteristics of the stroke, the regulating valve can be divided into straight stroke and angular stroke; According to the power used by the actuator, it can be divided into three types: pneumatic control valve, electric control valve, and hydraulic control valve; According to its function and characteristics, it can be divided into three types: linear characteristics, equal percentage characteristics, and parabolic characteristics. Regulating valves are suitable for media such as air, water, steam, various corrosive media, mud, oil, etc. English name: control valve, the t

  World Heart Day was created by the World Heart Federation to inform people around the world that cardiovascular disease (CVD), including heart disease and stroke, is the leading cause of death in the world. This year's theme is " Heart and Action Integration ", which emphasizes the close connection between heart health and our daily behavior and reminds us to maintain and promote heart health through a healthy lifestyle. For cardiovascular diseases, early detection, early diagnosis, and early prevention are the key! One of the keys to the prevention and treatment of cardiovascular diseases is to accurately diagnose and identify cardiovascular emergencies and evaluate the severity and severity of the disease. Cardiovascular disease - serum markers In 2024, the "Expert Consensus on the Clinical Application of Point-of-Care Testing (POCT) in Emergencies" proposes that POCT has better timeliness for the detection of cardiac markers, and it is recommended that card

  Cluster of Differentiation (CD Markers), as small proteins secreted by immune cells, play a key role in maintaining immune system stability and regulating pathological processes. It has a wide range of clinical applications, including auxiliary diagnosis, prognosis assessment, identification of infectious sources, early warning of cytokine storms, and monitoring of tumor immunity. In addition, there are various types of testing methods, such as enzyme-linked immunosorbent assay, protein microarray technology, flow cytometry, etc., which provide accurate information for clinical practice and help formulate and adjust treatment plans. It has shown important value that  Cluster of Differentiation (CD Markers)  in clinical application research and testing . Cluster of Differentiation (CD Markers) are a class of soluble signaling proteins with a wide range of biological activities, and almost all nucleated cells, especially immune cells (such as monocytes, macrophages, T cells, B cells, N

  In the food industry, Bonve pumps have become a key tool for enhancing production efficiency and product quality with their outstanding performance and innovative design. Here are some exciting applications of  Bonve pumps  in food processing  that not only showcase the advancement of their technology but also provide tangible business value to food manufacturers. 1.Gentle Treatment of Dairy Products:  Bonve pumps ensure the freshness and nutritional value of dairy products like milk and cream during processing with their gentle conveying method. 2.Efficient Production of Juices and Beverages:  The precise flow control of Bonve pumps guarantees that the flavor and nutritional components of juices and beverages are not compromised during production, while increasing the efficiency of the production line. 3.Innovative Baking Creations:  In the baking industry, Bonve pumps can accurately convey batter and cream, providing bakers with more room for innovation while maintaining product co

  1. New progress in luminescence: The number of manufacturers is gradually increasing The addition of new brands is bound to accelerate the clinical acceptance of luminescence  detection cytokines . Differentiation began to emerge in the items From the perspective of the manufacturers that have been certified so far, the main items cover  IL-1β, IL-2, IL-2R, IL-4, IL-5, IL-6, IL-8, IL-10, TNF-α, IL-17, IFN-α, IFN-γ , etc. 2. How to promote the market？ Clinical clarity is required As a manufacturer, the product line can be invested in more academic activities with sufficient funds, increase academic influence, and expand brand awareness; If the funds are not rich enough, you can use the medical manager to increase the pre-sales publicity, and every clinical exchange is actually to tell the insiders the value of the project.   The promotional content focuses on which departments can be opened, what are the items that need to be focused on by different diseases/departments, and what the

  How To Choose The Ideal Paddle Board Supplier? Choose a right supplier,you won't just find a supplier; you'll find a partner in growth, innovation, and long-term success.So, are you ready to level up your business? Let's dive in. What to Consider When Choosing Your Ideal  S UP  Supplier . 1.Whether it is a trading company or factory? 2.Quality and Variety of Products. 3.Expertise and Knowledge. 4.Pricing and Payment Terms 5.Product Quality and Specifications 6.Customer Service and After-Sales Support 7.Shipping and Delivery 8.Additional Accessories and Services Let's talk some details about the point 6 today,  6.Customer Service and After-Sales Support Here are the key considerations: **** Response Time :  Yaska  is quick to respond to any inquiries or issues you have. **** Clear and Transparent After-Sales Service Policy : Yaska offer 1-year warranty for all products. **** Maintenance and Servicing:  A great product deserves great service. Yaska offers maintenance an

  Cosmetic glass pump bottles have become the preferred packaging solution for skincare and beauty brands due to their elegant design, sustainability, and ability to protect sensitive formulations. In this article, we will explore the most common types of cosmetic glass pump bottles, including airless pump bottles, serum pump bottles, lotion pump bottles, and a comparison with dropper bottles. What are  Cosmetic Glass Pump Bottles ? Cosmetic glass pump bottles are containers primarily used for liquids and creams in skincare and beauty products. These bottles are equipped with a built-in pump that dispenses a measured amount of product, making them ideal for serums, lotions, moisturizers, and other beauty products that need to remain sealed and uncontaminated. Common Types of Cosmetic Glass Pump Bottles 1. Airless Pump Bottles Airless pump bottles are a special type of packaging designed to prevent air from entering, which is crucial for products sensitive to oxidation, such as anti-agi

  Oilfield drilling fluid has an important role in the process of oilfield extraction, can clean the bottom of the well, keep the bottom of the well clean, lubricate the drill bit drilling tools to reduce wear and tear, etc. It is a circulating fluid used in the drilling process, which is a mixture of liquids, solids, and chemical treatment agents. Solid-phase substances in drilling fluid mainly refer to slurry clay, aggravating substances, drill cuttings and other substances, in the process of oilfield drilling fluid often appear a lot of foam, too much foam will bring about some adverse effects, so it is necessary to use   oilfield drilling fluid defoamer   to solve the foam problem. Oilfield drilling fluid is divided into three categories according to the dispersing medium: water-based drilling fluid, oil-based drilling fluid and gas-based drilling fluid.  Oil and gas formations have certain requirements for drilling fluids, which need to be matched with the rocks of the formation,