What is the composition and function of mineral water?

Mineral water is unpolluted underground mineral water that naturally gushes out from deep underground or is exposed artificially. Contains a certain amount of mineral salts, trace elements or carbon dioxide gas; Generally speaking, its chemical composition, flow rate, water temperature and other dynamics are relatively stable within the natural fluctuation range. The mineral water circulating deep in the stratum contains minerals and the limited indicators stipulated by national standards. According to the difference of physical condition and drinking water in different regions, choosing suitable mineral water to drink can supplement minerals, especially trace elements. Drinking mineral water in midsummer is an effective means to replenish minerals lost by sweating. The nine limit indicators specified in the national standard include lithium, strontium, zinc, selenium, bromide, iodide, metasilicic acid, free carbon dioxide and total dissolved solids. One or more kinds of mineral water must meet the quota requirements, and the required contents are (unit: mg/L): lithium 0.2, selenium 0.0 1, bromine 1. Most mineral water in the market belongs to strontium (Sr) type and metasilicate type. It is best to drink mineral water to supplement human minerals.

Which family is good for Qingdao wedding photography?

There are many wedding photo studios in Qingdao, such as St. Valentine's Romantic Garden and Vivian Bride. I suggest that it's best to go to Vivian's bride with a sea of flowers of 10,000 mu, as well as Chengyang Castle C? te d 'Ivoire Base, Laoshan Yangkou Base, Badaguan Street View and Guild Hall. You can also order online, and they are all very favorable. My friend just finished filming and has been there.

How to participate in the correct offline of Guanyin Mountain?

Go directly to official website, Guandong Guanyinshan National Forest Park to check the mailbox! Guanyin Mountain scenery. Guanyinshan National Forest Park in Dongguan City, Guangdong Province is a joint solicitation activity sponsored by Guangdong Couplets Society to expand the influence of scenic spots and promote the traditional culture of China. The reward price of 70,000 yuan has been revised to only 700,000 yuan. Regrettably, up to now, among the more than 2,000 people and 5,000 affiliated enterprises who participated in the response, according to the organizer's assessment, there is still no applicant who meets the organizer's collection requirements. The organizer decided to continue to collect couplets until a satisfactory couplet appeared. If you want to know how this couplet is correct, you must popularize the knowledge of couplets. As the quintessence of American traditional culture in China, couplets have strict rules. In modern terms, there are at least six basic elements, namely, word equivalence, content relevance, part-of-speech equivalence, structural proportion, rhythm correspondence and level harmony. Take this couplet as an example, the list is as follows: the number of words in the landscape on Guanyin Mountain is equal: 7 words, so the following couplet also needs 7 words; Content related. It is not only a description, but also a special restriction on the scenic spots of Guanyinshan National Forest Park in Dongguan, Guangdong Province. What's wrong with that? It's getting narrower! Let's assume that this will not happen. Does not exist. Then the landscape of Guanyin Mountain can be understood as a. We climbed Guanyin Mountain in Dongguan to see Feng Shui; B Guanyin Bodhisattva is watching Feng Shui in Guanyin Mountain, so the following couplet has something to do with its meaning. Proportional structure with the same part of speech: the upper part is a noun (Guanyin Mountain: place name), the upper part is a verb (view), and the lower part must also have this structure. At the same time, the word "scenery" is both a noun (Guanyin) and a verb (looking at the scenery), and the word "scenery" is a coordinate word (corresponding to landscape rhyme). The couplet above is: 3112 (; See the scenery of Guanyin Mountain) = 43 (; See the scenery of Guanyin Mountain), so the bottom line must be exactly the same. Peace and harmony. The so-called flat tone refers to the tone of Chinese pronunciation. The ancient tones can be divided into two categories, five tones, which are described by the tones of modern Chinese, namely, the upper tone (Yin Ping) and the second tone (Yangping) belong to the flat words, and the third tone (upper tone), the fourth tone (falling tone) and the entering tone (the ancient tones (modern Putonghua has disappeared and only exists in local languages, for example, the law of couplets is that the upper and lower parts are linked at the same level. On the premise of no special language, the last word is the upper part and the last word is the lower part, so that the level of the lower part can be introduced: the upper part: the scenery on Guanyin Mountain; Crosslinks also have narrow pairs and wide pairs (whether the words are flat or not) (in short, 135 or 246). Let's list them as wide pairs first, then the second, fourth and sixth words in the bottom line must be flat, flat and flat. The fourth loss should be noted, the fifth is disorderly feet, and the sixth is loneliness. Seventh, remember that three tails are flat, and eight taboos are heavy and light. Don't learn to use obscure classics. Easy to understand, concise and clear. I won. I won't elaborate on this.