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- For the tested acid soils, available Mn was divided into four chemical fractions which were readily soluble Mn> weakly absorbed Mn, specifically absorbed Mn and oxide Mn. 对于供试酸性土壤来说,有效锰分为易溶态锰、弱吸附态锰、专性吸附态锰和氧化锰四种化学形态,其中氧化锰和易溶态锰是其有效锰的主要存在形态(分别占有效锰总量的86.;4%25和7
- The study also implied that the dietary contents of Mn and apparent available Mn for optimal production performance should not exceed 46 mg/kg and 14.1 mg/kg, respectively. 锰是影响产蛋率、产蛋量和其它元素吸收率的主要因素,初步推荐基础日粮(即A组)锰或表观可利用锰的含量分别为46 mg/kg或14 mg/kg时,有利于产蛋鸡获得良好的生产性能,并能提高主要养分利用率。
- His eloquence did not avail against the facts. 他的雄辩在事实面前不起什么作用。
- Joe tried to pull the heavy cart, but to no avail. 乔想拉那部笨重的大车,但是拉不动。
- Nothing could avail the dying patient. 没有任何东西能挽救那个濒死者
- Deodorants are available as aerosols or roll-ons. 除臭剂有喷雾装或滚抹装。
- The advice we got was of no avail. 我们得到的建议完全没用。
- Such a statement will not avail. 这样的声明没有什么用。
- The medicine did not avail against the disease. 这种药对这种病没有产生疗效。
- Speeches and protests were of no avail. 演讲和抗议全都徒劳。
- We tried to revive him but without avail. 我们试图使他苏醒,但没有成功。
- Keys are available on application to the principal. 向校长申请就可得到钥匙。
- Fresh and dried fruits are easily available now. 现在,干鲜果品很容易买到。
- Catalogues are available on request. 备有目录供索取。
- This dictionary is available in electronic version. 这部词典有电子版。
- Mn,O. K.. How much does it come up to? 行,多少钱?
- This was the only available room. 只剩下那个房间可用了。
- Only a limited number of places are available. 只有少数地方可供使用。
- After a hard mn your heart pounds. 急跑之后,你的心会跳得很厉害。
- The Prime Minister was not available for comment. 首相无暇作出评论。