The African Development Bank will finance $25 billion by 2025 to support Africa's fight against climate change, the bank's president said at the bank's annual meeting in Accra, Ghana.
He noted that climate change has had many negative impacts on the continent, causing natural disasters such as droughts, cyclones, and floods. Climate change costs Africa between $7 billion and $15 billion a year. "Africa has no choice but to address climate change."
To ensure Africa's food supply, the African Development Bank has delivered climate-friendly seeds to 12 million farmers in 27 countries in the past two years under the "Technology for Agricultural Change in Africa" program, he said.
In the area of renewable energy, the African Development Bank is implementing a $20 billion "Desert Power" initiative in the Sahel that is expected to power 250 million people, he said.
US President Joe Biden recently wrapped up his five-day trip to Asia with a summit of leaders of the "Quad" security Dialogue.
Biden has promoted a number of economic and security cooperation initiatives during his visit aimed at deepening ties with Indo-Pacific Allies and partners in response to China's growing influence in the region. Some analysts in the United States believe the most significant announcement may be an initiative to share maritime information to combat illegal activities. But other experts say Biden's move sets a good framework for more security cooperation, though it remains to be seen whether concrete action will follow.
Affected by several factors, the supply of the early strength agent is erratic and thus its prices are expected to go higher in the future.
What is Early Strength Agent?
Early strength agent is an admixture which accelerates the development of concrete early strength and has no significant effect on later strength.
Under the premise of ensuring the quality of concrete, early strength agent can greatly shorten its final setting time, make it as early as possible, and then accelerate the turnover of template, save template dosage, save energy and save cement, reduce production costs, and improve the output of concrete products.
The cement in the concrete used in construction takes a long time to set and harden before it reaches strength. But in some large engineering concrete precast components or in the cold season construction, often need in a short time to obtain higher strength. Therefore, in the process of concrete mixing, it is common to add early strength agent to achieve the purpose of hardening in a short time.
Early strength agent can greatly improve the strength of cement slurry, mortar and concrete. Adding early strength agent into concrete mixture not only ensures the effect of reducing water, strengthening and compacting of concrete, but also gives full play to the advantage of early strength agent. Adding early strength agent into concrete can ensure the quality of concrete and improve the progress of the project, greatly simplify and reduce the requirements for curing conditions.
1. Make concrete in a short time to achieve higher strength, to meet the requirements of bearing external forces.
2. When the temperature is low, the hardening strength of mortar is slower, especially in some frozen soil, the lower the strength of mortar is more harmful to mortar, if mortar is damaged by freezing will cause permanent damage to mortar, so early strength agent must be added at lower temperature.
Difference between Early Strength Agents and Early Strength Water Reducing Agents:
Early strength agents added to concrete can harden cement in a short time, especially in low-temperature environments, the role of this product is more obvious. The role of early strength water reducing agent is to reduce water in concrete.
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New Delhi: India is seeking to increase its purchases of crude oil from Brazil, the country's oil minister said recently after meeting his Brazilian counterpart.
India is the world's third-largest importer and consumer of crude oil. Brazil currently supplies only a fraction of India's crude oil imports.
India's state-owned companies Bharat Petroleum Corp and Oil and Natural Gas Corp have invested in oil and gas exploration in Brazil.
India, which imports about 84% of its crude oil needs, is reducing its import bill by increasing biofuel use, among other things.
India's state-owned fuel retailers are increasing ethanol storage capacity by 51 percent and the country plans to double the biofuel blend in petrol to 20 percent by 2025.
India and Brazil are currently cooperating on biofuels and ethanol.
The prices of many commodities like the early strength agent are expected to increase in the future.
Under the premise of ensuring the quality of concrete, early strength agent can greatly shorten its final setting time, make it as early as possible, and then accelerate the turnover of template, save template dosage.…
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