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organic mn source
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  有机锰源
     7 organic Mn sources had Qf values below 10,showing a weak complex strength,and 5 organic Mn sources had Qf values between 10 and 100,indicating a moderate complex strength,while 1 organic Mn source had a Qf value more than 100,showing a strong complex strength.
     有4种有机锰源产品的络合强度介于10~100之间,属于中等络合强度络合物;
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  “organic mn source”译为未确定词的双语例句
     A basal corn-soybean meal diet (contained 37.66mg/kg Mn) was treated by different Mn sources including inorganic Mn source ( MnSO4?H2O, contained 18.78% Mn ) and organic Mn source (organic chelated Mn supplied from Chengdu Aili Bio-technology institute, contained 10% Mn), by different Mn levels including adding 0、45、90、130 、180 mg/kg respectively.
     本研究以玉米和豆粕为主要原料配制锰含量为 37.66mg/kg 的基础日粮,采用 2×5 完全随机试验设计,分别在基础日粮中添加不同剂量与不同锰源的锰,构成 10个日粮处理组,每处理组 3 个重复,每重复组 18 只鸡,试验期 7 周。
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  相似匹配句对
     Mn?
     Mn的分布 ,晶界高于晶内 ,但差别不大 ;
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     Mn had about 10% organic.
     锰含有约 10 %的有机态 ;
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     EFFECTS OF ORGANIC MATTER ON Zn Cu AND Mn IN SOIL
     有机肥料对土壤锌、铜、锰的影响
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     Study on Complexed Mn Percentages in Organic Manganese Sources
     有机锰源络合率的研究
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     ORGANIC FOOD
     有机食品,你吃过了吗?
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Twelve organic Mn sources were collected from China and abroad,and characterized together with reagent grade MnSO4·2H2O.The organic Mn sources were five Mnmethionine products(Mn-Met A~E),two Mn-proteinate products(Mn-Pro A~B),and five Mn-amino acid products(Mn-AA A~E),respectively.Mineral concentrations and amino acid contents in Mn sources were determined by ICAP-9000 emission spectrophotometry and HPLC.Structural characteristics were determined...

Twelve organic Mn sources were collected from China and abroad,and characterized together with reagent grade MnSO4·2H2O.The organic Mn sources were five Mnmethionine products(Mn-Met A~E),two Mn-proteinate products(Mn-Pro A~B),and five Mn-amino acid products(Mn-AA A~E),respectively.Mineral concentrations and amino acid contents in Mn sources were determined by ICAP-9000 emission spectrophotometry and HPLC.Structural characteristics were determined by infrared spectroscopy.Solubilities of Mn sources were measured in 04%HCl,2% citric acid,neutral ammonium citrate,water,02 mol/L HCl-KCl buffer(pH2),and 01 mol/L KH2PO4-K2HPO4 buffer(pH5).Complexed Mn percentages in soluble fractions of Mn sources were measured in 02 mol/L HCl-KCl beffer(pH2)and 01 mol/L KH2PO4-K2HPO4 buffer(pH5)by gel filtration chromatography.A polarography experiment was carried out with a hanging mercury drop electrode to determine complex quotients(Qf)of Mn sources.The results showed that:(1)Mn concentrations ranged from 618% to 1744% in organic Mn sources,however,some sources also contained some macroor microelements,molar ratios of total amino acid content to Mn in 10 organic Mn sources tested changed from 004∶1~183∶1;(2)Organic Mn sources had characteristic peaks of complexed Mn;(3)Except that the solubility of MnAA D in 04%HCl was 903%,and Mn-Pro B and Mn-AA D in pH2,02 mol/L HCl-KCl buffer was 741% and 853%,respectively,other organic Mn sources were highly soluble in 04%HCl,2% citric acid,neutral ammonium citrate,and pH2,02 mol/L HCl-KCl buffer with more than 95% solubility.Solubility of Mn sources varied from 58% to 998% in water and pH5,01 mol/L KH2PO4-K2HPO4 buffer;(4)Under this experimental condition,no complexed Mn was found for these organic Mn sources filtrates from pH2,02 mol/L HCl-KCl and pH5,01 mol/L KH2PO4-K2HPO4 buffer;(5)Organic Mn sources had different complex strengths.7 organic Mn sources had Qf values below 10,showing a weak complex strength,and 5 organic Mn sources had Qf values between 10 and 100,indicating a moderate complex strength,while 1 organic Mn source had a Qf value more than 100,showing a strong complex strength.The results indicate that these organic Mn sources vary considerably in chemical characteristics,and this study has set up a foundation for further investigations of the correlativity between complex strengths of organic Mn sources and their relative bioavailabilities for broilers in following experiments.

测定了5种蛋氨酸锰(Mn-MetA~E)、2种锰蛋白盐(Mn-ProA和Mn-ProB)和5种复合氨基酸锰(Mn-AAA~E)的元素含量、氨基酸组成、溶解度、红外光谱特征、在pH2、0 2mol/LHCl-KCl或pH5、0 1mol/LKH2PO4-K2HPO4缓冲液中的稳定性及络合强度。结果表明,12种有机锰源产品的含锰量为6 48%~17 44%,也含有不同数量的常量元素和微量元素,总氨基酸与锰的摩尔比为0 04∶1~1 83∶1。除Mn-AAD在0 4%盐酸溶液中的溶解度为90 3%、Mn-ProB和Mn-AAD在pH2、0 2mol/LHCl-KCl缓冲溶液中的溶解度分别为74 1%和85 3%外,所测有机锰源产品在0 4%盐酸、2%柠檬酸、中性柠檬酸铵及pH2、0 2mol/LHCl-KCl缓冲液中的溶解度均在95%以上,在水和pH5、0 1mol/LKH2PO4-K2HPO4缓冲液中的溶解度受载体性质影响,变化范围为5 8%~99 8%。所测4种有机锰源产品均具有金属元素络合物的结构特征。未检测到有机锰源产品在pH2、0 2mol/LHCl-KCl或pH5、0 1mol/LKH2PO4-K2HP...

测定了5种蛋氨酸锰(Mn-MetA~E)、2种锰蛋白盐(Mn-ProA和Mn-ProB)和5种复合氨基酸锰(Mn-AAA~E)的元素含量、氨基酸组成、溶解度、红外光谱特征、在pH2、0 2mol/LHCl-KCl或pH5、0 1mol/LKH2PO4-K2HPO4缓冲液中的稳定性及络合强度。结果表明,12种有机锰源产品的含锰量为6 48%~17 44%,也含有不同数量的常量元素和微量元素,总氨基酸与锰的摩尔比为0 04∶1~1 83∶1。除Mn-AAD在0 4%盐酸溶液中的溶解度为90 3%、Mn-ProB和Mn-AAD在pH2、0 2mol/LHCl-KCl缓冲溶液中的溶解度分别为74 1%和85 3%外,所测有机锰源产品在0 4%盐酸、2%柠檬酸、中性柠檬酸铵及pH2、0 2mol/LHCl-KCl缓冲液中的溶解度均在95%以上,在水和pH5、0 1mol/LKH2PO4-K2HPO4缓冲液中的溶解度受载体性质影响,变化范围为5 8%~99 8%。所测4种有机锰源产品均具有金属元素络合物的结构特征。未检测到有机锰源产品在pH2、0 2mol/LHCl-KCl或pH5、0 1mol/LKH2PO4-K2HPO4缓冲液中的可溶部分经凝胶过滤后有以络合锰形式存在的锰。有7种有机锰源产品的络合强度低于10,属于弱络合强度络合物;有4种有机锰源产品的络合强度介于10~100之间,属于中等络合强度络合物;有1种有机锰源产品的络合强度介于100~1000之间,属于强络合强度络合物。本研究结果提示,有机锰

Objective: To study the relative bioavailabilities of Mn sources for broilers. Methods: A total of 624 one day old broilers were randomly allotted to one of thirteen groups and fed corn soybean meal basal diet (control) or the basal diet supplemented with 60, 120, 180 mg/kg Mn as compounds of different Mn for 21 d. Results: The growth performance incidence of leg abnormality of chicks ,metatarsal bone ash Mn content and heart MnSOD activity,in different groups of Mn source...

Objective: To study the relative bioavailabilities of Mn sources for broilers. Methods: A total of 624 one day old broilers were randomly allotted to one of thirteen groups and fed corn soybean meal basal diet (control) or the basal diet supplemented with 60, 120, 180 mg/kg Mn as compounds of different Mn for 21 d. Results: The growth performance incidence of leg abnormality of chicks ,metatarsal bone ash Mn content and heart MnSOD activity,in different groups of Mn source or source×level interaction were not significantly different. However, these two indices were affected by Mn level.Based on slope ratios from multiple linear regressions of these two indices on daily intake of dietary added Mn, the relative bioavailabilities of Mn Met E, Mn AA B, and Mn AA C were 103.8%, 102.4%, and 101.8% for bone ash Mn, and 108.3%, 107.8%, and 120.0% for heart MnSOD activity if 100% was set for Mn sulfate, respectively. Heart Mn content and MnSOD mRNA level were affected by Mn source and Mn level . Based on slope ratios from multiple linear regression of these two items on dietary supplemental Mn intake, the relative bioavailabilities of Mn Met E, Mn AA B, and Mn AA C were 125.7%, 137.2%, and 135.1% for heart Mn content, and 111.8%, 144.8% and 147.7% for MnSOD mRNA level compared to 100% of Mn sulfate, respectively. Mn AA B and Mn AA C were more available (P<0.05) than Mn sulfate and Mn Met E. Mn AA C, and Mn Met E had tendency to be superior to Mn sulfate numerically ( P>0.10 ). Conclusion: Dietary Mn significantly affected heart MnSOD gene expression pret ranslationally, and heart MnSOD gene expression as a criterion for relative bioavailability. Organic Mn sources with moderate or strong complex strength were more available than Mn sulfate or organic Mn source with weak complex strength.

目的 : 研究肉仔鸡对不同形态锰源的相对生物学利用率。方法 : 将 62 4只 1日龄肉公鸡随机分为 1 3组 ,分别饲不添加锰的基础饲粮 (对照组 )或以不同锰化合物添加 60、1 2 0、1 80 mg/ kg锰的试验饲粮 2 1 d。结果 : 肉鸡生长性能各指标和腿病发生率以及肉鸡的跖骨灰锰含量、心肌细胞线粒体中 Mn SOD活性均未受到添加锰源以及锰源与锰水平互作的显著影响 ,但受到添加锰水平的显著影响。肉鸡心肌含锰量和 Mn SOD m RNA水平均未受到添加锰源与锰水平互作的显著影响 ,但受到添加锰源及添加锰水平的显著影响。其中中等和强络合强度有机锰源的生物学利用率明显高于无机硫酸锰和弱络合强度有机锰源。结论 : 中等和强络合强度的复合氨基酸锰对肉仔鸡的生物学利用率明显优于无机硫酸锰和弱络合强度的蛋氨酸锰

Two in vitro experiments were conducted to investigate the absorption differences between organic and inorganic Mn by incubating everted intestinal sacs of broilers in media containing Mn as different sources. Trial 1 was conducted to determine an optimum incubation time for trial 2, according to the change of Mn absorption as incubation time varied. Trial 2 was conducted to compare the absorption of organic Mn with that of inorganic Mn in the intestines of the...

Two in vitro experiments were conducted to investigate the absorption differences between organic and inorganic Mn by incubating everted intestinal sacs of broilers in media containing Mn as different sources. Trial 1 was conducted to determine an optimum incubation time for trial 2, according to the change of Mn absorption as incubation time varied. Trial 2 was conducted to compare the absorption of organic Mn with that of inorganic Mn in the intestines of the animals at the optimum incubation time. The incubation time of four treatments in trial 1 was 20, 40, 60 and 80 min, respectively. 48 male broilers at the age of 28 day-old were randomly assigned to one of the four treatments for six replicates of two birds each. In each replicate, the intestinal sacs of one bird were incubated in media without adding Mn to it to deduct the endogenous Mn, while the intestinal sacs of the other incubated in media containing 120 μg/mL Mn as MnSO_4·7H_2O. The duodenum, jejunum and ileum of each animal were used to produce the everted sacs of corresponding intestinal segments. In trial 2, there were eight treatments of different Mn sources, which were MnSO_4·7H_2O, Mn-Gly chelate, Mn-Met chelate, Mn methionine complex with the weak complex strength (Mn-Met E, Q_f 3.2, Mn 8.27%), Mn amino acid complex with the moderate complex strength (Mn-AA A, Q_f 45.3, Mn (6.48)%), Mn amino acid complex with the strong complex strength (Mn-AA B, Q_f 115.4, Mn 7.86%), the mixture of MnSO4 and glycine, the mixture of MnSO_4 and methionine, respectively. Mn-Met E, Mn-AA A and Mn-AA B were three organic Mn sources which had been used in our previous study of bioavailabilities of different forms of Mn. An additional group without adding Mn to the media was set up to deduct the endogenous Mn. In the treatment groups of different Mn sources, 120 μg/mL Mn was added to the media. The incubation time of all the everted sacs was 30 min. 72 male broilers at the age of 28 day-old were randomly allotted to one of the nine treatments for eight replicates of one chick each. The duodenum, jejunum and ileum of each bird were used as one replicate of the everted sacs of corresponding intestinal segments. The results showed that: (1) The relationship between Mn absorption and the incubation time was linear within 40 min. The incubation time of 30 min was chosen as an optimum time for comparison of the absorption of Mn as different forms to obtain the most sensitive response in trial 2.(2) The absorption percentage of Mn in everted ileal sacs was about 2~6 times that in duodenal or jejunal sacs. (3) Significant differences were found in Mn absorption by incubating ileal sacs in the solutions of different forms of Mn. The absorption of Mn as Mn-Met chelate was significantly higher than inorganic Mn and Mn-Gly chelate. The absorption of Mn as Mn-AA A and Mn-AA B were significantly higher than inorganic Mn and Mn-Gly chelate. The results suggest that when incubated in simple buffer solutions in vitro, ileum is the main site of Mn absorption for broilers. The absorption of Mn as 'complexed' or 'chelated' organic Mn is higher than inorganic Mn in broilers' everted intestinal sacs. As a ligand, methionine is more effective in facilitating Mn absorption than glycine.

用外翻肠囊法研究肉仔鸡十二指肠、空肠和回肠对无机锰和有机锰的吸收特点。共包括2个试验,试验1是以硫酸锰为锰源,根据单位时间锰的吸收率与外翻肠囊培养时间的曲线关系确定最佳培养时间,试验2是在此培养时间下比较不同形态锰在肉仔鸡小肠中的吸收特点。2个试验均采用单因子完全随机设计。试验1培养时间分别为20、40、60和80min4个处理组,将48只28日龄商品代AA肉公鸡随机分到4个处理组,每组6个重复,每个重复2只鸡(为了扣除内源影响,其中1只鸡作为零添加锰水平处理),每只鸡的十二指肠、空肠和回肠分别用作相应部位肠段外翻肠囊的1个重复。在试验2中共设8个处理组,分别为:硫酸锰、甘氨酸锰螯合物、蛋氨酸锰螯合物、弱络合强度的蛋氨酸锰(Mn-MetE)、中等络合强度的氨基酸锰(Mn-AAA)和强络合强度的氨基酸锰(Mn-AAB)、硫酸锰与甘氨酸混合物及硫酸锰与蛋氨酸混合物的处理组。为了扣除内源影响,另设1组作为零添加锰水平处理。用于试验1中日龄相同的AA肉公鸡72只,随机分到9个处理组,每组8个重复,每个重复1只鸡,每只鸡的十二指肠、空肠和回肠分别用作相应部位肠段外翻肠囊的1个重复。结果表明:(1)锰的吸收率和培养时间在...

用外翻肠囊法研究肉仔鸡十二指肠、空肠和回肠对无机锰和有机锰的吸收特点。共包括2个试验,试验1是以硫酸锰为锰源,根据单位时间锰的吸收率与外翻肠囊培养时间的曲线关系确定最佳培养时间,试验2是在此培养时间下比较不同形态锰在肉仔鸡小肠中的吸收特点。2个试验均采用单因子完全随机设计。试验1培养时间分别为20、40、60和80min4个处理组,将48只28日龄商品代AA肉公鸡随机分到4个处理组,每组6个重复,每个重复2只鸡(为了扣除内源影响,其中1只鸡作为零添加锰水平处理),每只鸡的十二指肠、空肠和回肠分别用作相应部位肠段外翻肠囊的1个重复。在试验2中共设8个处理组,分别为:硫酸锰、甘氨酸锰螯合物、蛋氨酸锰螯合物、弱络合强度的蛋氨酸锰(Mn-MetE)、中等络合强度的氨基酸锰(Mn-AAA)和强络合强度的氨基酸锰(Mn-AAB)、硫酸锰与甘氨酸混合物及硫酸锰与蛋氨酸混合物的处理组。为了扣除内源影响,另设1组作为零添加锰水平处理。用于试验1中日龄相同的AA肉公鸡72只,随机分到9个处理组,每组8个重复,每个重复1只鸡,每只鸡的十二指肠、空肠和回肠分别用作相应部位肠段外翻肠囊的1个重复。结果表明:(1)锰的吸收率和培养时间在40min内呈线性关系,因此选择30min为试验2的培养时间;(2)体外培养回肠肠囊对无机锰的吸收率?

 
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