求翻译：为延长树脂的使用寿命，降低NH4+离子对L-谷氨酸吸附的影响，常秀莲选用D61大孔树脂进行交换，由于大孔型树脂的机械强度高于凝胶型树脂，这样可延长树脂的使用寿命，并且由于采用的是D61大孔树脂，可不考虑NH4+离子的吸附，是什么意思？

To extend the life of the resin, reducing the impact of nh4 + ions on the adsorption of l-glutamic acid, often Xiulian selection d61 macroporous resin exchange macroporous resin mechanical strength is higher than the gel-type resin, this may be extended resin life, time to consider nh4 + ions and is

To extend the life span, reduced resin NH 4+ ion adsorption on L -glutamic acid, and the impact she often use large hole D 61 resin, resin due to the huge holes in the mechanical strength is higher than gel-type resin, resin that can be extended, and the life because of the introduction of the 61 ho

In order to lengthen the resin the service life, reduces NH4+ the ion pair L- glutanic acid adsorption the influence, Chang Xiulian selects the D61 pocket resin to carry on the exchange, because the big pass resin mechanical strength is higher than the gelatin resin, like this may lengthen the resin

To extend the life of resin, reducing the effect of NH4+ ion on adsorption of l-glutamic acid, Chang Xiulian use D61 macroporous resin for Exchange because of macroporous type resins have higher mechanical strength than gel type resins, thus extending the life of resin, and as the use of the D61 mac

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