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Coffee Ring effect will be used in Biological Detection
Xinhua News Agency, when spilling coffee on the table, pay a little attention to the marks left by the coffee droplets after the liquid evaporates, you will find that the edge of the droplets forms a dark ring that is much darker than the middle area, which means that the concentration of small coffee particles deposited at the edge is much higher than that in the middle area. This phenomenon of uneven deposition is called the coffee ring effect. It's not just
2015-11-06 Coffee environmental effect should be used for biological detection Xinhuanet telecommunications coffee upper time -
Detection of coffee concentration and calculation of extraction rate in different treatment methods of coffee beans
Coffee concentration = weight of coffee extract weight of coffee liquid coffee extraction rate = weight of coffee extract weight of coffee powder expressed as a percentage.
2016-04-27 Coffee beans different treatment method coffee concentration detection extraction rate calculation -
Coffee bean professional coffee roaster coffee roaster coffee shop commercial household all-in-one machine
Product features: 1. The whole fuselage 304 stainless steel is perfectly combined with imported steel plate, which is stronger and more durable. Temperature, time LCD real-time display, intuitive button design, easy to operate; 3. The improved drum design changes from the original round hole to the strip hole, which adapts to the coffee beans with smaller particles, and at the same time ensures that the silver skin and bean shavings will not be stuck in the drum and cause scorching. 4. detachable
2016-01-05 Coffee beans professional coffee roaster raw beans roasting cafes commercial household -
10 steps for coffee detection
1. Prepare a little (about 10 grams) freshly roasted and immediately ground coffee in a small cup. 2. Smell it and see its dry fragrance. 3. Pour in the hot water of about 95 degrees Celsius. Do not boil and immediately pour it into the coffee powder. Let it stand for about half a minute and then pour into the coffee powder after the temperature drops slightly. 4. Smell the aroma coming from the rising steam. 5. Place this cup of sample for three to five minutes
2014-08-09 Coffee knowledge coffee testing coffee encyclopedia -
Coffee Culture DIY Coffee Detection 10 Steps
1. Prepare a small amount (about 10 grams) of freshly roasted and immediately ground coffee in a small cup. 2. Smell it and smell it dry. 3, pour about 95 degrees of hot water ~ do not boil immediately after pouring ~ let it stand for about half a minute, wait for its temperature to drop slightly, then pour into the coffee powder. 4, and then smell the aroma coming with the rise of steam. 5. Leave the cup for three to five minutes
2014-09-26 Coffee culture DIY coffee -
10 steps for DIY Coffee Detection
1. Prepare a little (about 10 grams) freshly roasted and immediately ground coffee in a small cup. 2. Smell it and see its dry fragrance. 3. Pour in the hot water of about 95 degrees Celsius. Do not boil and immediately pour it into the coffee powder. Let it stand for about half a minute and then pour into the coffee powder after the temperature drops slightly. 4. Smell the aroma coming from the rising steam. 5. Place this cup of sample for three to five minutes
2014-05-21 Coffee tasting coffee testing -
10 steps for the detection of boutique coffee
1. Prepare a little (about 10 grams) freshly roasted and immediately ground coffee in a small cup. 2. Smell it and see its dry fragrance. 3. Pour in the hot water of about 95 degrees Celsius. Do not boil and immediately pour it into the coffee powder. Let it stand for about half a minute and then pour into the coffee powder after the temperature drops slightly. 4. Smell the aroma coming from the rising steam. 5. Place this cup of sample for three to five minutes
2014-10-28 Coffee knowledge boutique caffeine coffee testing -
Coffee basic knowledge 10 steps of DIY coffee detection
1. Prepare a little (about 10 grams) freshly roasted and immediately ground coffee in a small cup. 2. Smell it and see its dry fragrance. 3. Pour in the hot water of about 95 degrees Celsius. Do not boil and immediately pour it into the coffee powder. Let it stand for about half a minute and then pour into the coffee powder after the temperature drops slightly. 4. Smell the aroma coming from the rising steam. 5. Place this cup of sample for three to five minutes
2015-06-12 Coffee basics common sense DIY testing 10 steps preparation a little ten -
Detection of quarantine pests in raw coffee beans intercepted by coffee beetles in Xiamen for the first time
Coffee bark beetle uninvited guests are always detected one after another for the first time. Recently, the Airport Bureau also detected the quarantine pest coffee beetle among the raw coffee beans intercepted by the Xiamen-Jinmen route. This quarantine pest was detected for the first time at Xiamen port. The staff of the Wutong Office of the Airport Bureau intercepted two batches of raw coffee beans, totaling 45.5 kg, at the tourism inspection site on November 14 and November 16, respectively.
2015-12-31 For the first time detected coffee small fruit Xiamen entry interception coffee beans epidemic harmful -
A coffee machine with free coffee will be automatically served when yawning.
It is a facial detection system that senses the expression of the user in the camera. Tencent Digital (translated: Xiao Xiawen) July 31 news, looking at the picture above, will it remind you of a horror movie, but it is not, it is a facial detection system that senses the expressions of users in the camera. The use of this system is also very special, even embedded in the coffee machine. This is from
2015-09-01 Yawn will automatically send free coffee coffee machine it is a face -
Video introduction to the processing process of coffee fruit composition in coffee bean structure diagram
Coffee bean structure diagram Coffee Fruit composition processing Video introduction these coffees are baked by my Probat 12KG roaster. Thanks to the sample stick design of the machine, I can extract and save samples from any batch of beans at any time. Based on the difference of temperature detection methods, the baking temperature given below will be different from other roasters. Please ignore the baking time and set the
2016-11-28 Coffee beans structure diagram coffee fruit composition processing process video introduction -
Structure Analysis of semi-automatic Coffee Machine
For the introduction of some basic structure of the semi-automatic coffee machine, the author will share with you here. I hope the above analysis can give you a better understanding of this semi-automatic machine.
2014-06-06 Coffee supplies semi-automatic coffee machine coffee encyclopedia -
How about the technical parameters of the three-bean roaster-ice blue coffee roaster
How about the technical parameters of the three-bean roaster-there is a baffle under the cooling plate of the ice-blue coffee roaster, which can block silver skin, small debris and other sundries, making it easier to clean and protect the cooling fan. sometimes the addition of some small details will not increase the cost of manufacturing, but can give people the feeling of convenience and hard work, this is the so-called design, excellent fine.
2017-01-05 Three beans roaster how technology parameters ice blue coffee three beans -
Biotech companies have tested 25 types of coffee in chain stores for suspected toxic estrogens!
Professional coffee knowledge exchange more coffee bean information Please follow the coffee workshop (Wechat official account cafe_style) with the vigorous promotion of major coffee brands, modern people are no stranger to coffee, but there are still many people who are worried about this kind of Palai products, especially the caffeine in coffee. However, apart from caffeine, will there be any other coffee?
2019-03-07 Biotechnology companies testing chain stores 25 types coffee suspected toxins female stimuli -
General knowledge of fine coffee beans grading and classification of coffee beans
Coffee beans are graded first by size and then by density. With two exceptions, all coffee beans have a considerable size and the same proportion, with flat on one side and semi-oval on the other. The special cases are pea-shaped coffee beans that tend to be more oval in shape and giant coffee beans with large particles (that is, Marragol peel coffee beans). The prices of these two kinds of coffee beans are always higher.
2014-12-17 Boutique coffee beans common sense grading classification first press size and then secret -
How does the thickness of coffee powder affect the taste-the common grinding thickness of coffee powder
How does the thickness of coffee powder affect the taste-the whiteness and taste of the common grinding thickness map of coffee powder have a great influence, and the detection of the thickness of flour is also an important test item of flour quality. the monitoring of flour thickness can be measured and analyzed by circular test sieve. The fineness is also used in another food, that is, the grinding fineness of coffee beans.
2016-11-04 Coffee powder thickness how influence taste common grinding coffee powder such as -
Herbal coffee--the world's next success story?
At present, the coffee drunk all over the world is woody coffee, and it is mainly produced in Vietnam, Brazil, Colombia, Indonesia and other equatorial regions such as Central America, Africa and Asia. China only Yunnan, Hainan and other subtropical areas have a small amount of planting, output of about 40,000 tons. The global annual consumption of coffee is more than 7 million tons, and China's annual consumption is about 200,000 tons, more than 90% of which depends on imports.
2014-04-27 herb coffee --- world next success legend present global with -
The gold medal of Taiwan Asian University invents the idea of making coffee without finding a cup.
The student invention team of Asian University participated in the Korean Invention Exhibition. 14 works won 5 gold, 6 silver, 2 bronze and 1 special award. (provided by Asian University) Wang Yiqing, a student of Asian University, and three others invented "no need to find another cup of personal drink brewing bag." they won the gold medal and Thailand special award at the International Invention Exhibition in Seoul, South Korea on the 28th. Not only a number of international manufacturers discussed cooperation, domestic
2015-11-30 Taiwan Asia university gold medal invention coffee no-change cup student -
Starbucks issued an apology statement! Admit the presence of formaldehyde in a surrounding product
According to a Yonhap news agency quoted on July 22nd, an anonymous user claiming to be from the FITI testing Institute (a comprehensive review body for the clothing industry, consumer goods, environment, biology and other fields) posted on the social platform that they were giving SummerCarryB to a summer event of Starbucks in South Korea.
2022-07-29 -
Coffee Health knowledge Glaucoma patients should not drink strong tea and coffee
March 12 is World Glaucoma Day. Glaucoma is the second leading cause of blindness in the world and is an irreversible optic neuropathy. Elevated intraocular pressure and insufficient blood supply of the optic nerve are the two main factors causing the progressive injury of the optic nerve, which damages the visual field rather than simple vision. The terrible thing about glaucoma is irreversibility and concealment, and regular routine eye examination is the early stage.
2015-07-02 Coffee Health knowledge Glaucoma patients inappropriate strong Tea March 12th World