Gabion boxes are made of triple twist hexagonal woven mesh fabric. Gabions stand out as the simple, efficient and economical solution, as the cages are simply filled with natural stone and also proven as environmentally friendly.Galvanized gabion is divided into electro-galvanized gabion, hot dipped galvanized gabion, heavily galvanized gabion.
Electro-galvanized gabion, zinc coated weight is 10-20g/square meter, service life is 5 years.
Hot galvanized gabion ,zinc coated weight is 30-50g/square meter, service life is 5-8 years
Heavily galvanized gabion, zinc coated weigh is 200-280g/square meter, service life is 20 years.
Application:
Control and guide of water or flood.
Flood bank or guiding bank.
Preventing of rock breaking.
Water and soil protection.
Bridge protection.
Strengthening structure of soil.
Protection engineering of seaside area.
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Because photosynthesis is affected by environmental factors, the photosynthetic rate of plants in a day is constantly changing. There are four types of daily changes in plant photosynthesis: normal curve, flat, variable and noon reduction. Under natural conditions, the daily changes of photosynthesis in the genus of the genus Apricot have two typical methods: unimodal and bimodal, so it is more convenient for further research by the photosynthesis instrument.
The genus Apricot also had a unimodal pattern. The photosynthetic characteristics and diurnal variation of the apricot apricot were measured using a portable photosynthesis instrument. The results showed that the photosynthetic rate of the apricot showed a unimodal curve at 11:30 noon. The photosynthetic rate reaches the highest peak, and there is no noon break in photosynthesis. There is a great difference in the production of unimodal type, and some varieties are unimodal under cloudy or greenhouse conditions.
In fact, seasonal changes in photosynthesis of apricot plants are due to the great differences between different species and ecology. The photosynthetic apparatus measurements have obvious seasonal changes through the effects of leaf growth conditions and comprehensive environmental factors. Seasonal changes may be due to incomplete leaves, or adipose tissue differentiation of apricot leaves, reduced chlorophyll content, and make the chloroplast The function is not perfect, and the photosynthetic apparatus has a low photosynthesis rate and a greater respiratory expenditure.
Apricot has played an important role in returning farmland to forests. Mountain greening has played an important role especially in the adjustment of fruit tree planting structure. Expanding production scale is the development trend so far, and at the same time, there are more and more researches on apricot at home and abroad, especially Photosynthesis instruments directly related to production have made great progress in this research, and combined with recent research work will summarize the research progress of photosynthesis of apricot plants, aiming to provide the basis for the production of apricot in China, for scientific research For reference.
September 03, 2021