TEXT - 23411 Annonces

Tuesday 27 May 2025

Taxifolin, a chemical substance extracted from pine plants such as larch and Douglas fir. It belongs to the bioflavonoid pseudo-vitamin P, and its scientific name is dihydroquercetin. Japanese scholar Fukui first isolated it from the leaves of conifers (Chamaecyparis obtusa), and...

Tuesday 27 May 2025

Dihydroberberine: a natural derivative of Berberine. Dihydroberberine (DHB) is emerging as a popular supplement for its enhanced bioavailability and therapeutic efficacy compared to its precursor, Berberine. Berberine, a natural compound, has been widely used for its antimicrobial...

Tuesday 27 May 2025

3-O-Ethyl ascorbate ether is a product of ascorbic acid-3-O-ethylation. It has a simple molecular structure and is easily absorbed by the skin. After entering the dermis through the stratum corneum of the skin, it is easily decomposed by the biological enzymes in the human body. The...

Tuesday 27 May 2025

2-Ketoglutaric acid also known as α-Ketoglutaric acid (AKG) is a chemical found in the body. It is a ketone derivative of the organic compound glutaric acid. It is important for the proper metabolism of all essential amino acids and the transfer of cellular energy in the citric acid...

Tuesday 27 May 2025

Levodopa is an amino acid precursor of dopamine with antiparkinsonian properties. Levodopa is a prodrug that is converted to dopamine by DOPA decarboxylase and can cross the blood-brain barrier. When in the brain, levodopa is decarboxylated to dopamine and stimulates the dopaminergic receptors...

Tuesday 27 May 2025

Quantité : 1 - Prix : 600,00 €

Nlb-500 Portable Petrol Engine Rail Impact Wrench is used for tightening and loosening sleeper bolts, hook-bolt nuts, etc. With two stroke petrol engine and 18kg lightweight can achieve easily vertical and horizontal wrenching tasks. PRODUCT SPECIFICATIONS Model NLB-500 Type...

Tuesday 27 May 2025

Quantité : 1 - Prix : 550,00 €

Digital Switch Rail Height Gauge For Railway Switch and Crossing Wear Measurement Switch Rail Height Gauge is mainly used to measure the descent height value of the switch rail relative to the basic rail and point rail relative to the wing rail . This instrument has the features of...

Tuesday 27 May 2025

Quantité : 1 - Prix : 650,00 €

Digital Rail wear gauge（rail head loss gauge also call it rail profile gauge）is mainly used to measure the vertical wear and lateral wear of the rail head.The reasonable design makes it light,convenient operation and intuitive reading . Features 1. Digital rail wear gauge with direct...

Tuesday 27 May 2025

Prix : 800,00 €

数字式轨道辙叉磨损仪 800 数显辙叉磨耗仪用于测量辙叉心轨与翼轨在任意断面的垂直磨损值，也可用于测量心轨相对 于翼轨的减少值。 规格 模型 LJ-ZCM-A 类型 数字式轨道辙叉磨损仪 材料 不锈钢 尺寸（长 x 宽 x 高）（毫米） 380*166*25毫米 测量范围 0~40毫米 分数值 0.01毫米 示值误差 ≤±0.15毫米 工作温度 -10℃~+40℃ 主尺测量范围 0~380毫米 Localisation : Room 1007, Block B, Building 1, Huagong Science...

Tuesday 27 May 2025

Quantité : 1 - Prix : 160,00 €

The analogue mechanical track gauge is used for measuring ： Track gauge Check rail gauge Back to back distance Superelevation Features 1.This track gauge is used to measure the railway speed is not greater than 160km/h line. 2. In the measurement process is simple, fast, the workers...

Tuesday 27 May 2025

L-carnitine is a naturally available compound that plays a significant role in fatty acid oxidation and energy production in the human body. It is majorly found in skeletal and cardiac muscles of mammals and facilitates the transport of long chain fatty acids into mitochondria. L-carnitine...

Tuesday 27 May 2025

Monobenzone is an organic chemical in the phenol family with chemical formula C6H5CH2OC6H4OH. It is used as a topical drug for medical depigmentation. Monobenzone occurs as a white, almost tasteless crystalline powder, soluble in and practically insoluble in water. The topical application...

Tuesday 27 May 2025

Quantité : 1 - Prix : 6 000,00 €

用于轨道几何测量的数字式滚动轨距规 便携式滚动轨距仪专为测量轨距和超高而设计。该设备轻巧、可靠且易于使用，提供无与伦 比的测量精度。 软件系统支持存储和分析测量数据。它可用于轨道检查和轨道维护。 它便于携带，支持夜间和隧道施工，即使在阳光直射下也清晰易读，是轨道微调、轨道施工 、检查和铺设的理想测量工具。 特点 ：1. 大型 LED 背光显示屏：特别适用于白天户外和漆黑的夜晚 2.快速校准操作：简单的 测量过程 3.大容量电池：待机时间长 4. 测量准确：保持长期稳定性 5、温度 补偿：工作温度为-30～+55℃ 6.绝缘设计 7.抗电磁干扰 8.防水：可在雨天使用 9...

Tuesday 27 May 2025

Pyrrolidinyl Diaminopyrimidine Oxide is a hair growth stimulant that can be used to treat hair loss. It can also be used in cosmetics to invent a dermocosmetic composition having a whitening or dark circle removal or anti-glare effect by containing a pyrrolidinyl diaminopyrimidine...

Tuesday 27 May 2025

Azelaic acid is a topical antiacne agent which exerts its therapeutic action through a myriad of antimicrobial, antiproliferative and cytostatic effects. In vitro, azelaic acid hasbeen shown to inhibit DNA polymerases in several tumor cell lines. Application: A.Polymers and related materials...

Tuesday 27 May 2025

Thiamidol (also known as Isobutylamido Thiazolyl Resorcinol) is a patented and highly effective skin lightening ingredient developed by Beiersdorf, the parent company of Eucerin. It is designed to combat hyperpigmentation and reduce dark spots by targeting the root cause of melanin...

Tuesday 27 May 2025

Quantité : 1 - Prix : 6 000,00 €

Portable Rolling Track Gauge is mainly used for railway track gauge and super-elevation(cant), check rail gauge and back to back distance measurement.It can be used for track inspection and fine adjustment of rail gauge.This product has the advantages of fast measuring speed, stable pushing rod...

Saturday 24 May 2025

Many of us base our initial impressions on the health and appearance of our skin, so it's understandable if you're not happy with the way your skin looks. However, just because you're unhappy with the way your skin looks now doesn't imply there's no hope for the future. Bestview Laser...

Saturday 24 May 2025

Ginseng Extract (Panax sp.) is considered tonic and nourishing because of its vitamin and hormone content. It seems to aid in diminishing wrinkles and helps dry skin. It is also said to promote skin elasticity, perhaps by stimulating sterol and protein production. other claims include...

Saturday 24 May 2025

Citicoline whose chemical name choline cytosine nucleoside-5'-diphosphate monosodium salt, is a precursor for lecithin biosynthesis, and when brain function declines, the content of lecithin in brain tissue is significantly reduced. Cytidine 5'-Diphosphocholine is a single nucleotide...

Saturday 24 May 2025

Quercetin is a pentahydroxyflavone having the five hydroxy groups placed at the 3-, 3'-, 4'-, 5- and 7-positions. It is one of the most abundant flavonoids in edible vegetables, fruit and wine. It has a role as an antibacterial agent, an antioxidant, a protein kinase inhibitor, an...

Saturday 24 May 2025

Berberine is the main active ingredient extracted from the rhizomes of Coptis, goldenseal family. It exists in the form of quaternary ammonium salt in nature, and its hydrochloride is commonly used in clinic. Berberine hydrochloride has many pharmacological effects such as anti-microbial...

Saturday 24 May 2025

Tranexamic acid is a derivative of aminomethylbenzoic acid, and a kind of antifibrinolytic drugs to stop bleeding. The hemostasis mechanism of tranexamic acid is similar to aminocaproic acid and aminomethylbenzoic acid, but the effect is stronger. Fibrinolysis, the cleavage of fibrin by plasmin...

Saturday 24 May 2025

Nervonic Acid is a monounsaturated fatty acid with a 24-carbon backbone and the sole double bond originating from the 9th carbon from the methyl end, with this bond in the cis- configuration. It is a metabolite found in the aging mouse brain. Found in sphingolipids of the white matter...

Saturday 24 May 2025

Mangiferin (MGF) is a natural bioactive polyphenol predominantly isolated from the Mangifera indica (Mango) tree. It has a xanthone glucoside structure. Mangiferin can also be found in other angiosperm plants and herbs. Mangiferin is a xanthonoid, a chemical compound found in mangoes...

Saturday 24 May 2025

Arbutin is a β-D-glucopyranoside HQ derivative and a plant-derived compound found in the dried leaves of several plant species, including blueberry, cranberry, bearberry, and pear trees. It suppresses tyrosinase activity without altering RNA expression. Arbutin is used primarily for...

Saturday 24 May 2025

Curcumin is the major yellow pigment in turmeric and curry and has antioxidant, anti-inflammatory, and antitumor activities. Curcumin is the principal curcuminoid of the popular Indian spice turmeric, which is a member of the ginger family (Zingiberaceae). The curcuminoids are polyphenols...

Saturday 24 May 2025

Fisetin, a well-known plant flavonol from natural flavonoid group, is found in traditional medicines, plants, vegetables, fruits. Fisetin also has anti-oxidant, anti-inflammatory, anti-tumor effects. Fisetin is primarily used in laboratory bioactivity studies as an analytical standard...

Saturday 24 May 2025

Diethyl malonate is the diethyl ester of malonic acid. It naturally occuring in grapes and strawberries, is widely used in the manufacture of pharmaceuticals, antioxidants, and dyes. Diethyl malonate is used in organic synthesis for the preparation of alpha-aryl malonates, mono-substituted...

Saturday 24 May 2025

Solvent. Softener. Organic synthesis. Chromatographic analysis reagents. In agricultural analysis, it is used as a developing agent for paper chromatography for the analysis of amino acid contents in rice. Amides have active reactivity and special solubility capabilities, and can...