PESA又名聚环氧琥珀酸(钠)。是一种无磷、非氮的“绿色”环保型多元阻垢缓蚀剂。PESA对水中的碳酸钙、硫酸钙、硫酸钡有良好的阻垢分散性能,阻垢效果优于常用有机膦类阻垢剂。PESA与膦酸盐复配具有良好的协同增效作用。同时PESA具有一定的缓蚀作用,是一种多元阻垢剂。
In Kenya, a pilot scheme called M-Pesa is being used to disburse and pay micro-loans by phone.
在肯尼亚,一个叫做M - Pesa的实验性计划开始进行实践,帮助人们通过电话支付和偿还小额贷款。
One of the most successful, M-PESA, began in 2007 in Kenya, where it now has more than 13m users.
2007年创立的肯尼亚的M - PESA就是其中最成功之一,在肯尼亚已经拥有1300万用户。
By far the most successful example of mobile money is M-PESA, launched in 2007 by Safaricom of Kenya.
到目前为止,移动理财最成功的案例是m - PESA,由肯尼亚的Safaricom公司于2007年启动。
The other person receives a text message with a code to take to the local M-Pesa agent to get the money.
VOA: special.2009.11.02
Now customers can also use their M-Pesa accounts to pay bills, make purchases or pay for services like taxis.
VOA: special.2009.11.02
All across Kenya, there are stores and automated teller machines where M-Pesa users can add and withdraw money from their accounts.
VOA: special.2009.11.02
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