29:23
Recommended
Introduction Particle removal from silicon wafer surfaces was studied using acid and alkaline solutions used in cleaning processes in semiconductor manufacturing. In the research reported in this article, we at Valincona studied the mechanism of removing particles adsorbed on the
Removal of particles on the surface of silicon wafers during wet cleaning by Valincona
05/28
1328
Deep sea phobia is a type of phobia. When patients imagine, see or come into contact with ocean-related things such as the sea, big waves, marine life, etc., they will have rapid breathing, rapid heartbeat, cold sweats, trembling hands and feet, and want to exert all their streng
What is bathophobia? Genetic fear
05/27
1421
There are not only us humans living on the earth, but also more animals and plants living with us. If humans hurt us everywhere, humans themselves will be hurt in the end! 1. Snakes Snakes are very spiritual animals! If you kill and eat snakes, retribution will come quickly! Ther
This animal cannot be killed or eaten! Affect blessings! Let more people know
05/27
1206
I wonder if you have heard of this name - blue-eared pheasant? I had never heard of it at first. When I first heard the name, I thought it was a type of chicken. But after observing the pictures and searching for information, I knew that I was wrong. The blue-eared pheasant is a
Animal World - Understanding Animals (Part 4 of Birds)
05/28
1680
[Source: Shandong Provincial Department of Natural Resources_Government News] In order to comprehensively popularize knowledge about seafood nutrition, health and food safety, and improve teachers and students’ scientific understanding of the quality of marine life, the Provincia
Provincial Institute of Marine Resources and Environmental Protection launches marine science popularization activities on campus
05/27
1560
91 In addition, because foragers do not rely on a single type of food, even if a certain food source is cut off, the impact will not be too great. But if it is an agricultural society, once a drought, fire, or earthquake occurs and all the rice or potatoes of that year are destro
A Brief History of Humanity: From Animals to God (9)
05/27
1836
For a long time, scrapped artificial satellites or launch vehicle payload compartments after launching satellites will still move inertly in space orbits. It is difficult to deorbit in a short time and re-enter the atmosphere and burn up. Therefore, they will remain in orbit for
Quick facts: Off-orbit sails
05/28
1793
Shuangliu Integrated Media All-Media Reporter Wang Rong Wu Haoyan Text/Picture to further open up the cooperation channels of "government, industry, learning, research, and application" between schools and colleges to stimulate the vitality of the rich scientific and technologica
Science and Technology Innovation Elite Gathering: Institutions and localities work together to promote the transformation of scientific and technological achievements
05/28
1279
In order to improve the comprehensive quality of young people's subjects, Tongchuang Weilai is invited by Silicon Lake Vocational and Technical College, Shandong Experimental Middle School, Shanghai Kongjiang Middle School, and Shanghai Nanyang Model Middle School to sincerely in
Popular science presentation on "Lunar Exploration and Chang'e Moon Landing Project"
05/28
1764
Hello, little Moores. During this period, little Moores have given feedback that they feel that the space atmosphere in the manor is not strong enough. Don’t worry, the construction of space does not happen overnight~ After the planning and construction of June Manor, new space c
Ram’s new course revealed, unlocking new ways to play in space
05/27
1940
Relation Video
science Relation Video
Site video recommendation
science Latest News
[Know the key points in one minute] 1. Based on two clinical registration studies (#NCT02185261 and #NCT02027064), evaluate the long-term efficacy of interferon-alpha preemptive therapy in AML patients receiving allo-HSCT. 2. The 6-year cumulative incidence of overall and severe
Interferon-alpha preemptive therapy prevents post-transplant relapse and improves long-term survival in AML patients: long-term follow-up results from two clinical registration studies
05/29
1982
Recently, the team of Professor Ruan Shuangchen of Shenzhen University of Technology and Professor Ning Cunzheng of the Department of Electronic Engineering of Tsinghua University proposed a new ultra-sensitive detection strategy. This strategy is based on the change in laser col
Deeptech team realizes ultra-sensitive detection method to help detect and diagnose Alzheimer's disease earlier
05/29
1868
If you think that the bullfrog we usually see is the largest frog in the world, then the creature we are about to introduce is likely to overturn your perception, and it is the African bullfrog. The African bullfrog is the second largest frog in the world. The African bullfrog is
The largest frog in the world: weighs 2 kilograms, jumps more than 3 meters, and is cold-blooded than a mouse
05/29
1524
As of July 4, there are currently about 40 cases of BA.2.75 infection confirmed by sequencing in the world. Most of them are in India, but they have been found in Germany, Australia, Canada, New Zealand, the United Kingdom, and Japan. Many of these infections The patient has a hi
New "Indian variant" discovered, five times more contagious than Bio5
05/29
1929
Igneous rock, also known as igneous rock, is a rock formed by magma erupting from the earth's surface or invading the earth's crust, cooling and solidifying. Magmatic rocks are very developed in the Panzhihua area, and their distribution area accounts for about half of the city's
Igneous rock (igneous rock)! Panzhihua geological knowledge
05/29
1669
Mud brick village on boulders! It happens to be located in the Thingvellir Rift Valley between the Eurasian Plate and the American Plate! The Weaver's Nest, one of the largest bird's nests in the world! Stranded sperm whales have no teeth in their upper jaws! The "diapers" used b
49 rare photos that most people born in the 1970s have never seen. Have you seen them?
05/29
1266
Site Latest News
With Barcelona officially announcing that former AC Milan midfielder Kessie and former Chelsea defender Christensen will be exempted from visas, the joining of two outstanding players has also made Barcelona fans excited. They all feel that Barcelona's revival is just around the
Barcelona officially announces many strong reinforcements, is the Dream Five Dynasty coming soon? Barcelona fans are happy too early
05/29
1539
Harden recently attended a party in the Hamptons with team management, teammates and others, and did not show any intention of negotiating a contract with the team. It seems that he really does not care that much about the salary of his next contract, as long as he can Just help
Manager Ha is online! Harden's new three-year, $100 million contract is about to be reached, and he will discuss ways to improve the lineup with the team
05/29
1874
On October 17, 2020, when he saw with his own eyes the news that Santos Club had terminated his contract, the then 36-year-old Robinho knew that he had no chance of professional football. Although he did not want to admit that the only thing waiting for him was to announce his re
38-year-old "cycling boy" Robinho was forced to retire and he didn't even dare to leave Brazil
05/29
1543
2K officially announced that Michael Jordan will once again become the cover character of the "NBA 2K" game. Michael Jordan will appear on the covers of the Michael Jordan Edition of "NBA 2K23" and the Collector's Edition of "NBA 2K23" Championship. The official also released a t
2K officially announced that Michael Jordan will be the cover character of two special editions of "NBA 2K23"
05/29
1971
History has left us not only words, but also precious images. Since the late Qing Dynasty, a group of foreigners have come to China one after another. Some of them went deep into the hinterland of China and took a large number of precious photos. Through these photos, we can more
Precious old photos of Chongqing from foreigners’ cameras: Anderson’s chapter
05/29
1376
Technology may bring new changes to life. There have been too many such scenes in China in history.
Why is "cloning technology" rarely mentioned now? Dolly's life is the answer. It's so pitiful.
05/29
1800