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Valence Bond Theory, Hybrid Orbitals, and Molecular Orbital Theory
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pixabay.com State-owned enterprises have stepped out of the "high wall" to promote the scientific and technological achievements they have developed to the society.
China National Nuclear Corporation joins hands with the national technology market to promote the latest scientific and technological achievements to the society
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Guangming.com News In recent years, Mengjin District, Luoyang City, Henan Province has accelerated the protection, management and ecological restoration of the Yellow River wetlands, adhered to the management of mountains, water, forests, fields, lakes, grass and sand systems, an
Mengjin, Henan: Yellow River wetland becomes a paradise for birds
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In 1938, a fishing boat was fishing near the Comoros Islands near Madagascar and caught a very strange-looking fish.
A "fish" with four limbs was found in the deep sea, weighing up to 100 kilograms and with purple scales. What exactly is it?
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@真知新ordinate Popular science and cold knowledge 1. Lamprey Lamprey has lived on the earth for hundreds of millions of years, and it has always maintained its appearance in ancient times, so it is also called a "living fossil." Later this creature was assigned to the superclass Ag
Seven exotic species, one relies on breeding and one is prohibitive
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Controlled ion transport within nanochannels is crucial for biological membranes and artificial membrane systems. Covalent organic frameworks (COFs) are emerging crystalline polymer materials with regular and adjustable nanochannels, and have become an ideal material platform for
"ACS Nano" from Tianjin University's Wu Hong/Jiang Zhongyi team: charged nanochannels in covalent organic framework membranes achieve efficient ion interception
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What happened to Tibet? 350 research experts gathered together, and they all claimed: They saw something incredible, which would bring at least billions of resources every year. Even the villagers stood around in surprise. What was going on? What exactly are these things, and wha
Tibetan villagers make new discoveries! 350 experts gather for investigation, bringing in at least 1 billion resources every year
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Text | Science Wormhole animals reproduce through mating, but their pairing forms are diverse and can be divided into relatively rare monogamy (monogamy) and mixed mating. The mixed system also includes polygamy, polyandry, and polyandry. As we all know, animals mate in order to
"Monogamous" animals, if one partner dies, can they withstand the temptation of mating?
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I once read "Insects" when I was young, and I was full of yearning for the insect world described by Fabre. I often turned over stones or inspected leaves to look for the small insects hiding in the depths. As I get older, I gradually develop an inexplicable fear of insects in na
An insect pocket book that brings you closer to nature
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1. When did cats start to look like this? 2. “This is what an artichoke would look like if you let it bloom.” 3. “A large group of turtles sunbathing on a floating tree trunk” 4. “The passion vine bloomed this morning!” 5. “These two strawberries grew With a pair of happy feet.”
19 photos of natural beauty that will completely mesmerize you
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A new study examines the living conditions of dinosaurs before the disaster, which may help scientists better understand the consequences of contemporary climate change. One day 6 million years ago, the end came and life came to an abrupt end. An asteroid impact roughly closed th
If the earth had not been hit by an asteroid, would the dinosaurs have perished on their own?
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Using the locust disaster as a clue and Lockwood's arrest as an auxiliary clue, the plot unfolds bit by bit, going through the black market transactions, dinosaur park, isolation zone, and successful rescue. Because it is a 3D effect, the picture is very good. It's amazing, espec
Jurassic World 3 - Thoughts
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In recent years, China has developed rapidly in the aerospace field. In fact, this can be seen from a series of remarks by NASA Administrator Nielsen, because he will mention China and criticize China on more and more occasions.
Another weird comment! NASA Director: Beware of "China Occupying the Moon", Netizens: The situation is really low
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The rarest and most bizarre aquatic creatures in the world, many people have seen them for the first time. Which ones have you seen? Type 4: Dumbo Octopus, don’t you think it’s cute when you hear this name? It was discovered by marine biologists at 1,600 meters on the bottom of t
Continuing with what we mentioned in the last issue, weird and weird creatures, let’s take a look at the different ones today.
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On July 1, the official website of the New Cornerstone Researcher Program released the latest application guidelines. The "New Cornerstone Researcher Project" is a new basic research funding project led by scientists and funded by Tencent. It is a public welfare and independently
The big project is coming! 60 people will receive five-year funding, RMB 3-5 million per year
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On June 23, 2022, Ansuman T. Satpathy's team from Stanford University published an article titled Genome-wide CRISPR screens of T cell exhaustion identify chromatin remodeling factors that limit T cell persistence in Cancer Cell.
Genome-wide CRISPR screen reveals chromosomal remodeling critical for maintenance of exhausted T cells
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Note: IND=investigational new drug, BLA=biologics license application.
Development of Clinical-Grade Cell Therapies: A Basic Overview
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Fan Aili's trading diary: 7.1, continuing to hold Shenzhen Zhonghua A and Dongan Power on Friday. Last Friday, the index did not fall much, which can be regarded as a benign adjustment. However, the money-losing effect of high-level trading continues, and market sentiment has alw
(7.1, Friday) Fan Aili: Automobile and other track sectors will have opportunities to be active again and again
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4. Various other common interfaces 4.1 RJ45 port, RJ45 is a type of information socket (i.e. communication outlet) connector in the wiring system. The connector is composed of a plug (crystal head) and a socket (module). RJ45 also has different matching specifications according t
Chapter 2 Common electronic components and common cables for security systems and other common interfaces
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Nowadays, apart from the fact that wages are not rising, the prices of other commodities are rising. I just want to talk to you about which domestic products have not increased in price in those years? (Disclaimer: The prices of these products I have chosen have fluctuated somewh
The light of domestic products that have not increased much in price over the years
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Role models gather strength, and moving comes from the ordinary. She uses her own strength to interpret the spirit of hard work and positivity, and uses ordinary ways and silent power to interpret the meaning of education. She is Li Guiyu, an outstanding teacher in the nursing ma
Li Guiyu of Qihe Vocational College: Keep the original intention on the three-foot podium and work hard all year round to cultivate peaches and plums
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Based on my many years of practical experience in education, I have found that the failure of many children to improve their academic performance is often closely related to the fact that they did not review in time after finishing their studies at the beginning, leading to them
Parents should learn this method, which will help their children consolidate their memory and is a great way to improve their learning results.
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People rebel against each other and achieve nothing, often because of the word "greed". Wherever there are people, there will be desire! Wherever there is desire, there must be someone! In this world, no one is high or low, but "character" definitely has high or low levels. Many
People rebel against each other and achieve nothing, often because of one word: "greed"