The reaction of dicarbonic acid under heat
The reaction of the dicarbonic acid after being heated was more complicated, and it would have different reactions affected by the relative position of the two carboxy groups. Some will lose water, some will lose starch, and some will lose both water and starch. The details were as follows: 1. Oxalic acid and malonic acid and their alkyls: easy to lose the ester. 2. Butanediic acid and glutanic acid and their alkyls: Butanediic acid loses its water when heated to about 300 ° C to form butanediic acid; glutanediic acid loses its water when heated to about 300 ° C to form glutanediic acid, which is not easy to undergo decylating reaction. 3. Hexanic acid and pimelic acid and their alkyls: When heated to about 300 ° C, they lose both the acid and the water. Hexanic acid can be heated to form Cyclopentane. 4. When the dicarbonic acid above the pimelic acid is heated, it loses water between the molecules to form a high-molecular acid ether. In addition, in the heating reaction of the dicarbonic acid, if the water loss reaction occurs, it may be necessary to add a water loss agent, such as Ag2O, P2O2, CHCOCl2,(CHCO2) 2O, POCl2, etc.; If the decarbonic acid reaction occurs, it may be necessary to add a base, such as Ba(Ox) 2, Ca2 (Ox) 2, etc. Read more exciting novels for free
Chang 'an Business Van
There were many models of Chang 'an business vans. The following is information about some of them: - Star of Chang 'an 5: There are many versions with different seats, uses, and prices. For example, 103 horsepower, 7 seats, 1.4L micro-flour (National Sixth Grade), 3.98 meters long, 5 gears, price 39,000 yuan; There are also 103 horsepower, 2 seats, 1.4L closed trucks (National Sixth Grade), price 34,900 - 38,500 yuan. - Chang 'an Star 9: There were many models for the 2020 model, such as the standard 116 horsepower, 5-seater, 1.5L van (National Sixth Grade), which cost 53,800 yuan; the standard 116 horsepower, 7-seater, 1.5L van (National Sixth Grade) was also 53,800 yuan; there were also different versions of the basic model and van truck, which cost between 51,800 yuan and 54,800 yuan. - Chang 'an Ruixing M80: Only 6 cents per kilometer, with an 8-year 400,000-yuan long-term guarantee, the price is just over 5 units. - The new Chang 'an Rui Xing EM80 passenger version: The positioning is purely electric micro-face. The overall design of the exterior is maintained in the current style. It can be equipped with a new closed front face and a new drive motor. The maximum power is 70 Kilowatts.(10 Kilowatts more than the current model), the car provides 6-seat and 7-seat (2 + 2 + 2 and 2 + 2 + 3) two types of layout, the official guidance price is 74,900 - 210,000 yuan, the rear of the car is maintained in the current style, equipped with a vertical arrangement of tail lights and a pair of doors, the tail label is updated to "Ruixing EM80II". The novel "Good Chang 'an" is equally exciting. Everyone is welcome to click and read it!
Who are the female protagonists of the transmigration novels?
I recommend a few ancient romance novels or Xianxia novels. " Chronicle of a Female Doctor " was written by Beihai Qiao. The female Chinese medicine doctor had become a great doctor in ancient times. She had a good career and love. The female protagonist was not pretentious. She was sweet and not cruel. Her medical cases were reliable. She could read them in her spare time and learn medical knowledge. A new article," The Poisonous Doctor of Eighty," was being published. " Medusa Cultivation," Ah Dai's work. A modern Chinese medicine pharmacist traveled through the ancient cultivation world. The female protagonist's character was as flexible as water. The story was very interesting. " Female Imperial Physician ", written by Princess Xiao Ge. A double excellent graduate of the medical university dressed in ancient times, from a girl with a miserable life to a legendary female imperial physician. 'Di Daughter's Medical Doctrine' was an old creation. The female protagonist used medical skills to fight for happiness in an unfamiliar dynasty. It was not a small story and not a bad ending. " Female Royal Physician " was written by Xi Huan. Liu Ruoxi, a modern Chinese medicine doctor, became a royal physician in ancient times. Her life story was slowly revealed. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
English Noun of Design
The English term for "design" was "design", which could mean "design; conception; design drawing; decorative pattern; intention" and so on. While watching the Olympics, you can also read the wonderful novels related to the Olympics!
I Send Express Delivery to the Immortal World, episode 71
" I Send Delivery to the Heavenly Court " had a total of 71 episodes, but the current reference materials did not mention the specific plot content of the 71 episodes in detail, so it was impossible to give an accurate answer. " I Work for Ghost Spirits in the World of Cultivators " is equally exciting. Everyone is welcome to click and read it!
The female protagonist is called Zhu Yan, the name of the novel
She recommended " The Male Supporting Actor Is the Female Lead ", an ancient romance novel written by Smoke Green. The female protagonist Lou Zheng started a strange journey to save her father. She slowly traveled through the world. There were not many worlds, and it was between pleasure and abuse. The female lead had a good personality and a strange style of writing. Although she became more brainless as she went on, some of the plot designs were not bad. There were also unique character settings, such as Xiao Zhe. " Step by Step to Become a God " was not bad either. It was a sci-fi space-time travel novel written by the cyan Rain Sound Spirit. The female protagonist, Shen Mingming, was tricked by the system into transmigrating. The plot was okay, and the new author's writing style was average. However, the 2016's new novel could be read by those who liked to transmigrate quickly. " From You Who Wear Quickly " was an ancient romance novel written by Qing Luo Qian Yi. The female lead traveled through time and space to help others. It was a fresh style. It was a little white but very heart-warming. Some of the plots were very exciting, like the football star chapter, but it was a little uncomfortable when the main character changed later. " Quick Wear: The Demonic Sister Teach You How to Be a Man " was an oriental fantasy novel by Sang Zi Tang. The female protagonist Sang Yue was bound to the system after being tricked, and the female protagonist was quick to do things. " Lady " was an ancient romance novel about a lost dragon. The female protagonist lived hard in the vermilion gate. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Zombie Prime
In the settings of the Transformers, the blood of the Cosmic Emperor was called the Dark Ultra-Energy Body. It could turn the dead Transformers into zombies. Megatron relied on the Dark Ultra-Energy Body in his body to gain the ability to control zombies, which might lead to the image of the Zombie Prime. " Transformers: Origins " was not enough. Everyone, please click to read the novel!
Liu Yuning is on the hot search
According to the information provided, Liu Yuning was on the hot search because he said in the live broadcast that he was scolded until he was afraid of his hands and feet. The reason was that he hesitated in the promotion of the new drama "Pearl Curtain Jade Screen". He wanted to help promote but was afraid of being scolded for too many scenes. Previously, when he was broadcasting dramas such as "One Thought of Guan Shan", he was also attacked by netizens for his appearance and acting skills. In the new drama "Pearl Curtain Jade Screen", his ancient costume style and acting skills were also criticized by some netizens. This may be some of the related factors for his trending. While waiting for the TV series, he could also read the exciting content related to this site!
Ao 'ao waiting to be arrested, look online, pull down
Ao Ao Waiting to Be Arrested was serialised on the animation platform of the company. You can watch it on the animation platform.
What's the accent of Hokkaido, Japan?
In Hokkaido, the standard language is generally used, but because the indigenous people of Hokkaido are Ainu, influenced by the Ainu language, there are still many dialect in some parts of Hokkaido, such as: The novel " Winter in Hokkaido " is equally exciting. Everyone is welcome to click and read it!
What do you mean by petite and cute
" Dainty and exquisite " described a person's small figure, clever, and cute appearance. " Sheng Ke 'ai " might be a kind of oral or creative expression, meaning very cute. The overall expression emphasized the small and cute characteristics of someone or something. The novel " Glittering Four Seasons " is equally exciting. Everyone is welcome to click and read it!