What's the difference between cotton quilt and hot-melt quilt

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1. Different components: cotton is named after being filled with natural cotton fiber, which is a traditional quilt variety. Hot melt quilt is a kind of quilt made by mixing chemical fiber bonding fiber with low melting point into pure cotton or chemical fiber cotton flakes, heating it to make the low melting point bonding fiber melt and cross link with other fibers, so as to bond cotton and other chemical fiber cotton together.

2. Applicable groups are different: cotton quilts are generally suitable for middle-aged and elderly people, pregnant women, infants, teenagers, people who are allergic to chemical fiber products, people with trachea or asthma diseases, people with high work pressure or long-term bad rest, and people in a long-term or short-term sub-health state.

Cotton:

Cotton is the seed fiber of cotton plants in Malvaceae family, which is native to the subtropical zone. The plant is shrubby, and can grow to 6 meters high in tropical areas, usually 1 to 2 meters high. The flower is milky white, turns crimson soon after flowering and withers, leaving a small green capsule called cotton boll. There are cottonseed in the cotton boll. The fuzz on the cottonseed grows out of the cotton seed skin and fills the inside of the cotton boll. When the cotton boll is mature, it cracks, revealing soft fibers. The fiber is white or white with yellow, about 2-4cm (0.75~1.5 inches) long, containing about 87~90% cellulose, 5~8% water, and 4~6% other substances. The countries with the highest cotton production include China, the United States, India, etc.

Luoshen flower 2023-10-18 11:08:19

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Are longans and cat's eyes fruits

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Top ranking generally refers to the top

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Ranking top does not always refer to the top. Ranking top is an idiom in Chinese. It originally meant that when the troops of the ancient Chu State marched, if the outpost met the enemy's situation, they would give a warning. Later, "Ranking top" literally meant ranking first, describing excellent performance. Its own structure is subject predicate, which can be used as predicate, attribute and commendatory in sentences. From the Twelve Years of Zuo Zhuan Xuangong written by Zuo Qiuming in the Spring and Autumn Period: "As the ruler of the State of Chu, he chose the order and code of the State of Chu for military conduct, right shaft, and left pursuit of production. He had no foresight, power, and stamina. All officials moved like objects, and military and political affairs were not disciplined, so he could use the code."
At first sight, the idiom "Top Rank" means that Chu's army is well-trained and orderly. In fact, it reflects that Chu's morality, punishment, politics, affairs, code and etiquette are not against the rules. Such a country and army are invincible.

Emphasize sentence structure and usage

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Emphasize the structure and usage of sentence patterns. For example, emphasize that sentence patterns refer to present or future situations. Use It is to refer to the past. Use It was
For example:
It is I who, that am wrong
Basic definition: The emphatic pattern is a kind of rhetoric, which is a form used by people to express their will or emotion. Emphasize a certain part of the sentence in various ways to play a rhetorical role. The commonly used emphasis structure in English is It is (was)+the stressed part (subject, object or adverbial)+who (that).... Generally speaking, when the stressed part refers to people, when the who refers to things, it uses that, but that can also refer to people. In American English, which is often used instead of that
Common sentence patterns:
1. The emphatic sentence pattern of declarative sentences:
It is, was+emphasized part (usually subject, object or adverbial)+that/who (when emphasizing subject and subject refers to person)+other parts.
It was yesterday that he met Li Ping
2. The emphatic sentence pattern of general questions:
Same as above, just mention is and was before it.
Example: Was it yesterday that he met Li Ping
3. The emphatic sentence pattern of special questions:
The emphasized part (usually interrogative pronoun or interrogative adverb)+is, was+it+that, who+other parts.
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When Sun Jing was reading, he kept taking notes at any time. He often saw it in the second half of the night. As time went by, he sometimes fell asleep. When I woke up, I felt regretful again. One day, when he looked up and pondered, his eyes stopped on the beam of the room, and suddenly his eyes lit up. Then he found a rope, one end of which was tied to the beam, and the lower end was tied to his hair. In this way, whenever he is tired and sleepy and wants to doze off, as long as his head is lowered, the rope will suddenly pull his hair, and a pain will wake him up and drive away the drowsiness. From then on, he used this method to study hard every night. Years of hard work enabled Sun Jing to read poetry and become a knowledgeable scholar. At that time, he was quite famous north of the Yangtze River and Huaihe River, and students from thousands of miles often came to him to learn and discuss knowledge.

Does the temperature rise with the increase of internal energy

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When the internal energy of the object increases, the temperature does not necessarily increase. The size of internal energy is related to the mass, volume, temperature of the object and the kind of substances that make up the object. For example, when the crystal melts or the liquid boils, the temperature remains the same, but it needs to absorb heat and the internal energy increases.
In general physical problems (not involving the excited ionization of electrons, chemical reaction and nuclear reaction), only the molecular kinetic energy and potential energy will change in the internal energy. At this time, we only care about these two parts, and define the sum of these two parts as internal energy. This is a simplified definition, namely internal energy in a narrow sense. When it comes to excited ionization of electrons, chemical reaction and nuclear reaction, in order not to cause misunderstanding, internal energy in the narrow sense should be strictly called thermodynamic energy (formerly called heat energy, which is still widely used in some engineering fields).

What's the difference between cotton quilt and hot-melt quilt

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