查询词典 Zn

Methods Digest recombinant plasmid pU57-SOD with SnaB Ⅰ and Not Ⅰ and insert the obtained SOD gene into expression vector pPIC9k.

方法根据酵母密码子偏好性，合成人Cu，Zn-SOD基因，克隆至真核表达载体pPIC9k中，转化毕赤酵母GS115。

The source profile and relative contribution to receptor of determined soil/fly ash,constrction locate,incinerator,sea spary,exaust and non-ferror was deduced by PMF2. Among them,soil and fly ash contributes 40% to receptor.Enrichment factor analysis were also performed to identify possible sources in Beijing urban area with die data measured in the study.

通过对富集因子分析得出Fe，Sc，Ti的EF近似等于1，验证了针对于本采样地区它们都是较好的参考元素：Al，Ba，Ca，Ce，Mg，Dy，La，Lu，Sm，Tb，Ta，Th，Hf，Sc，Fe，Ti等的富集因子接近于1，表明了它们的土壤／灰尘来源：来自人为污染排放源的As，Br，Cd，Hg，I，In，Se，Sb，S，Zn等在粗、细颗粒物上都具有较高的富集值，特别是在细颗粒物上的EF明显高于粗颗粒物。

Biosorption and tolerance of Sphaerotilus natans to heavy metal ions Ag +, Hg 2+, Pb 2+, Zn 2+ were studied in this paper.

研究了球衣菌对重金属离子Ag+、Hg2+、Pb2+、Zn2+的耐受性及生物吸附情况，并着重对Pb2+的吸附行为及工艺条件进行了探讨。

The result showed that the mineral oil content of soil was negatively correlated with microorganism contents,the mineral oil accumulation degree of stipa was more than that of Leymus chinensis and the Fe and Zn accumulation degree of Leymus.

结果表明：土壤矿物油含量与微生物含量成负相关；针茅对矿物油积累程度高于羊草；羊草对铁、锌的积累程度高于针茅等等。

Stropharia rugoso-annulate was cultured by the different concentrations of ZnSO4 PDA medium,the Zn content was determined by.

为避免大球盖菇因为在保健功能方面落后而影响其栽培，我们对大球盖菇富锌特性进行了研究。

Three hundred one-day-old avian broiler whose body weights were near consistent and healthy were selected, and were divided into 5 disposes randomly, 3 repeats in each dispose. Adopting single factor to compare the effect of complex amino acid trace element chelated on production performance, death rate and disease occur rate in leg of broiler when it was added with high Cu (Cu 250 mg/kg) level, 1 times NRC level, 0. 5 times NRC level, 0 level (neither use chelated nor sulphated) and 1 times NRC level as sulphate.

选体重近似一致、健康的1日龄艾维茵肉用仔鸡300只，随机分为5个处理，每个处理3个重复，采用单因子设计比较研究了复合氨基酸螯合微量元素(Fe、Cu、Mn、Zn)高铜水平(Cu 250 mg／kg)、NRC水平、0.5倍NRC水平、0水平和硫酸盐对肉用仔鸡生产性能、腿病发生率和死亡率的影响。

Derivative Spectrophotometry ; Simultaneous determination ; Cu Zn ; Meso tetra （4 phenyl sulphonate） Porphyrin ; Foodstuff

导数光度法；同时测定；铜锌； meso一四（4—磺基苯基）卟琳；食品

Both of adsorption of VB〓 on sulphonic resin in Zn〓form from ethanol and caffeine on sulphonic resin in Cu〓 form from ethyl acetate is considerable, with saturation adsorption capacity 60 and 76mg/g respectively.

磺酸锌型树脂对乙醇中VB〓、磺酸铜型树脂对乙酸乙脂中咖啡因和丙烯酸铁型树脂对甲醇中的鞣酸均具较好的吸附性能，其静态饱和吸附量分别为60、76和34mg/g。

After several repeated experiments on waste water sample, a three-stage neutralization treatment process was selected which used lime neutralization at first and then sulphurization.

葫芦岛有色金属集团有限公司冶炼烟气制酸中产生的酸性污水pH值在1以下，且含有大量的Zn、Cu、Pb、Cd、As、Hg等污染物，采用石灰中和加硫化处理的三级中和治理工艺。

The leaching test shows that Pb/Zn ore are susceptibly to be oxidized or dissolved and readily release Cd and other harmful element.

两个不同矿石镉的淋失量有所差别，矿石中菱锌矿质量分数是影响镉淋失的主要因素。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。