For our ancestors who didn’t have the benefit of a world map...

10 min ago

For our ancestors who didn’t have the benefit of a world map...

Rizom - April,2018

For our ancestors who didn’t have the benefit of a world map...

Rizom - April,2018

For our ancestors who didn’t have the benefit of a world map...

Rizom - April,2018

Member since 2018-03-05 20:58
Member since 2018-03-05 20:58




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Introduction of Plant Extract

1  Active ingredients of plant extract1.1 AlkaloidAlkaloid, or plant alkaloid, is a alkaline nitrogen-containing organic..

alfachemistry -2018-09-18 01:08
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Functions of Plant Extracts in Skincare

Aloe extract: It has good lubrication and moisturizing effect, and can also reduce inflammation and promote the healing of damaged..

alfachemistry -2018-09-14 01:01
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Application of Plant Oil in Cosmetics

Plant extract, such as plant oil, is generally believed to inhibit the evaporation of water, rehydrate the dry skin and harde..

alfachemistry -2018-09-12 01:03
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Biological Activities of Polysaccharides

Polysaccharides are polymeric carbohydrate molecules composed of long chain monosaccharide units. The polysaccharide produces constituent mo..

alfachemistry -2018-08-31 02:26
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Classification of Polysaccharides

Polysaccharides are polymerized from monosaccharides, and the molecular weight of polysaccharides is tens of thousands or even millions. The..

alfachemistry -2018-08-26 18:42
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Research progress of OLED luminescent materials

IntroductionChip, display and battery technology are called the three major hardware technologies of the information industry. In the trend ..

alfachemistry -2018-08-17 02:06
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Introduction of OLED

Organic Light-Emitting Diode (OLED) is also called Organic Electroluminescence Display. Since 2003, this display device has been widely..

alfachemistry -2018-08-14 02:04
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Classification of Optoelectronic Materials

Optoelectronic materials are materials that process, store and transmit information using photons or electrons as carriers. They a..

alfachemistry -2018-08-06 02:14
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Introduction of Common Artificial Dyes

Artificial dyes include aniline dyes or coal tar dyes, which are widely used in a wide variety of applications. The disadvantage o..

alfachemistry -2018-07-30 01:05
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The Applications of Graphene

Graphene has been highly valued in the fields of chemistry, physics, materials and energy due to its unique electrical,&..

alfachemistry -2018-07-29 20:37
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Introduction of Common Natural Dyes

Natural dyes are dyes or colorants derived from plants, invertebrates or minerals. Most natural dyes are derived from plants, including root..

alfachemistry -2018-07-29 20:32
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Applications of Boric Acid

Boric acid is widely used in industrial, agricultural, national defense and modern science fields. In recent years, with the developmen..

alfachemistry -2018-07-19 20:31
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Overview of the Production of Boric Acid

Boric acid was first prepared by Wilhelm Homberg (1652-1715) and was given the the name "sal sedativum Hombergi", which was produc..

alfachemistry -2018-07-09 18:32
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Properties of Graphene

1  Optical properties of grapheneGraphene is known to be the thinnest and hardest nanomaterial in the world. It is almost transpar..

alfachemistry -2018-07-05 23:00
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Introduction of Graphene

Graphene is a honeycomb planar film composed of sp2 hybridization of carbon atoms. It is separated from the graphite material..

alfachemistry -2018-07-05 20:24
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Classification of Surfactants

Surfactants are compounds that lower the surface tension or interfacial tension between two liquids, between a gas and a liquid, or bet..

alfachemistry -2018-06-11 20:12
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The Preparation of Single Crystals

1 IntroductionThe particles inside the single crystal are regularly and periodically arranged in the three-dimensional space, or in other wo..

alfachemistry -2018-06-10 23:22
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Research Progress of Nanocatalysts

1  IntroductionIn recent years, the development of nanoscience has penetrated into the field of catalytic research and the most ty..

alfachemistry -2018-06-05 02:05
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Applications and Development of Insect Pheromone

1.  Overview of insect pheromones1.1 The discovery of insect pheromonesThe word pheromones was originally written by Carlson (1959..

alfachemistry -2018-05-24 23:19
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The Practical Significance of Insect Pheromone in Agricultural Production

In the agricultural production of today, there are many factors that may adversely affect crop yields. Among these factors, pests and diseas..

alfachemistry -2018-05-23 22:35
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Applications of Metal Organic Chemistry

1 Composition of metal organic compoundsIn a broad sense, metal organic compounds refer to those compounds formed by a series of reactions b..

alfachemistry -2018-05-22 01:15
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Biological function of organic germanium compounds

Germanium is an excellent semi-conductive material. However, the role of germanium and organic germanium compounds ..

alfachemistry -2018-05-21 22:47
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Applications of Organic Tin Compounds

IntroductionOrganic tin compounds are compounds based on tin with hydrocarbon substituents. This field grew rapidly in the 20th ce..

alfachemistry -2018-05-17 23:28
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Synthesis of Organic Zinc Compounds

Organic zinc compounds refer to a class of organic compounds containing carbon-zinc chemical bonds. The first discovered and prepared&n..

alfachemistry -2018-05-17 01:50
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Brief Introduction of Metal Organic Compounds

A metal organic compound refers to a compound containing at least one metal-carbon bond (M-C bond) in the molecule. They are a special ..

alfachemistry -2018-05-14 23:55
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Specific Classifications of Chemical Industry

1 Manufacturing of basic chemical raw materials It include the manufacturing of inorganic acid, inorganic bases, caustic soda..

alfachemistry -2018-04-26 01:47
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How to lower your Cholesterol?

In general, animal foods (fish, eggs, milk) contain cholesterol while plant foods are not. It is generally known that lipid substa..

alfachemistry -2018-04-25 22:45
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Medical Applications of Steroid Compounds

Steroidal compounds are important organic compounds based on the fundamental saturated tetracyclic hydrocarbon: 1,2-cyclopentanope..

alfachemistry -2018-04-24 01:14
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Applications of Metal Organic Compounds

1  The historyMetal organic chemistry is the study of chemical organic compounds containing carbon-metal bonds. The rapid development o..

alfachemistry -2018-04-18 00:14
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The properties of fluorine and its compounds

Fluorine is the second periodic element of Group VIIA in the p-region of the chemical periodic table. And fluorine is synthesized durin..

alfachemistry -2018-04-17 21:17
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