Foreword Qualitative and quantitative analysis of chemical elements of matter is the basic analysis and involves many fields of application. Among them, the analysis of soil chemical elements involves soil science, plant nutrition, environmental science and other scientific research fields. With
Read More1. Prepare the ridges for deep tumbling and squeezing at the site. Make a width of 90 cm and a height of 10 to 15 cm. The spacing is about 40 cm. 2, fertilization combined with soil preparation, 667 square meters of organic fertilizer applied 3000 to 5000 kg. Combined with the addition of nitroge
Read MoreLaxative food 1, sweet potato Eat more sweet potatoes, can cure constipation, make the stool smooth and easy to understand, many people have this experience. "Bencao Qiuyuan" is also recorded, that the sweet potato: "cool blood circulation, wide stomach, pass through constipation,
Read MoreThe effect and function of lotus heart Lotus root is a lotus seed, also known as lotus root, bitter buckwheat, and lotus root. It was first found in the "Herb of Materia Medica" in the late Tang Dynasty. It is a dried germ in the mature seeds of the perennial aquatic plant of Nymphaeace
Read MoreWhitefly feeding is very miscellaneous, can endanger a variety of vegetables, mainly to harm nymphs, concentrated on the back of cucumber leaves to draw juice, resulting in leaf bleaching, yellowing, wilt, severe plant yellow. When it is harmful, it also secretes honeydew, contaminates the leaves,
Read MoreImprove lighting and control the temperature. When planting melon, cover the drip-free membrane and keep the membrane clean. Try to obtain the maximum light transmittance and allow the soil to accumulate more heat. Appropriately sparse, pay attention to pruning, binding vines, topping, and compreh
Read MoreThe green fluorescent protein (GFP) bs-2194P is a special protein that fluoresces under the excitation of blue wavelength light. It is this magical property that makes it one of the most powerful tools in the field of biochemistry. It is called "Biological Beidou". GFP has an amazing use
Read MoreNowadays, due to busy work or rich entertainment activities, many people are accustomed to staying up late. Human adrenocorticotropic hormone and growth hormone are only secreted during nighttime sleep, and it is difficult to avoid adverse health. Today, we recommend several fruits and juices that
Read MoreIodine deficiency is caused by too low iodine intake, but excess iodine can also affect the health of the body. Iodine intake excessive to people The health hazards include the following aspects: 1. The effect of high iodine on thyroid function The most common are iodine-induced goiter (IH) and
Read MoreIn stroke, there are more than 1.5 million deaths per year, about 2.5 million new cases, and a disability rate of 75%, and the annual incidence rate is increasing at 8.7%. This is the content of the 2013 China Medical Science and Technology Development Report. According to statistic
Read MoreSince the 1980s, the in vitro diagnostic industry has formed a mature industry worth tens of billions of dollars. With the development of the global economy, the improvement of people's health awareness and the improvement of medical insurance policies in most countries, the adva
Read MoreThe Internet hospital I am talking about here does not refer to the Internet diagnosis and treatment system established by the hospital and directed to serve the hospital. This kind of Internet diagnosis and treatment system, all online consultation, initial diagnosis, referral, medi
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