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regeneration index
相关语句
  再生指数
     At the fifth day after 80% hepatectomy, the liver function indicator GPT,GOT and LDH improved significantly in the ischemia 15 minutes group(P<0.05), the liver regeneration index were the same in the three groups(P>0.05).
     80 %肝切除后第 5日 ,缺血 15min组血清GOT、GPT和LDH明显低于对照组和缺血 30min组 (P <0 .0 5 ) ,肝功能恢复较对照组快 ,3组肝再生指数无明显差异 (P >0 .0 5 )。
短句来源
     Methods 12 rats were divided into two groups,in the ischemia group,the right portal vein and hepatic artery were clamped 15 minutes,24 hours later,we detected the heme oxygenase-1(HO-1) expression by immunohistochemical staining and determined the ATPase activity in the ischemia lobe,and the left lobe and caudate lobe were cut off. We observed the fluctuation of the liver function before and after the operation. At the fifth day we determined the liver regeneration index.
     方法  12只大鼠分成两组 ,缺血组肝右叶缺血 15 m in,2 4 h后行缺血肝叶亚铁血红素氧化酶 - 1免疫组化染色和 ATP酶活性测定 ,同时行肝左叶和尾状叶切除 ,观察肝切除前、肝切除后 1d、2 d、3d、和第 5 d肝功能指标 GOT、GPT和 L DH变化 ,第 5 d测定肝再生指数
短句来源
     At the fifth day after 80% hepatectomy,the liver function indicator GPT. GOT and LDH improved significantly in the ischemia group(P<0.05),the liver regeneration index were the same in the two groups(P>0.05).
     80 %肝切除后第 5 d,缺血组血清 GOT、GPT和 L DH明显低于对照组 (P<0 .0 5 ) ,肝功能恢复较对照组快 ,两组肝再生指数无明显差异 (P>0 .0 5 )。
短句来源
  相似匹配句对
     index;
     指标;
短句来源
     Index
     索引
短句来源
     Liver Regeneration
     肝再生
短句来源
     Regeneration and Reorganization
     再生与重组
短句来源
     STUDIES ON SPECIES DIVERSITY INDEX AND REGENERATION FOR YOUNG LINZHI SPRUCE STANDS IN LINZHI,TIBET
     西藏林芝县林芝云杉幼林更新与物种多样性指数研究
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  regeneration index
The liver regeneration index was significantly increased in group PHL200.
      
The spermatogonial Regeneration Index (RI) was scored from stained paraffin-sections of testes which were obtained after periodic sacrifice.
      
Average degree of dominance was 0.531 for the shoot regeneration index and 0.990 for the regeneration frequency index.
      
The regeneration index seemed not to be closely in relation to canopy openness although Mongolian pine is a photophilic tree species.
      
In our system we are not measuring regeneration directly, but indirectly using motility as a regeneration index.
      


Objective To observe the effect of a short time ischemia on the liver function after 80% hepatectomy in rats and to elucidate its mechanism.Methods 12 rats were divided into two groups,in the ischemia group,the right portal vein and hepatic artery were clamped 15 minutes,24 hours later,we detected the heme oxygenase-1(HO-1) expression by immunohistochemical staining and determined the ATPase activity in the ischemia lobe,and the left lobe and caudate lobe were cut off.We observed the fluctuation of the liver...

Objective To observe the effect of a short time ischemia on the liver function after 80% hepatectomy in rats and to elucidate its mechanism.Methods 12 rats were divided into two groups,in the ischemia group,the right portal vein and hepatic artery were clamped 15 minutes,24 hours later,we detected the heme oxygenase-1(HO-1) expression by immunohistochemical staining and determined the ATPase activity in the ischemia lobe,and the left lobe and caudate lobe were cut off.We observed the fluctuation of the liver function before and after the operation.At the fifth day we determined the liver regeneration index.Results HO-1 was strongly detected in the pericentral liver cell 24 hours later after 15 minutes ischemia,no significant different was found between the two groups in ATPase activty (P>0.05).At the fifth day after 80% hepatectomy,the liver function indicator GPT.GOT and LDH improved significantly in the ischemia group(P<0.05),the liver regeneration index were the same in the two groups(P>0.05).Conclusion A large amount of HO-1 is induced 24 hours later after 15 minutes ischemia,a short time ischemia may improve the liver function after hepatectomy,the induced HO-1 may contribute to improvement of the liver function.

目的 观察短时间缺血对大鼠 80 %肝切除术后肝功能的影响 ,并对其作用机制进行探讨。方法  12只大鼠分成两组 ,缺血组肝右叶缺血 15 m in,2 4 h后行缺血肝叶亚铁血红素氧化酶 - 1免疫组化染色和 ATP酶活性测定 ,同时行肝左叶和尾状叶切除 ,观察肝切除前、肝切除后 1d、2 d、3d、和第 5 d肝功能指标 GOT、GPT和 L DH变化 ,第 5 d测定肝再生指数。结果 缺血组缺血后 2 4 h,肝细胞亚铁血红素氧化酶 - 1染色强阳性 ,并由中央小静脉周围向汇管区逐渐减弱 ,两组肝 ATP酶活性无差异 ;80 %肝切除后第 5 d,缺血组血清 GOT、GPT和 L DH明显低于对照组 (P<0 .0 5 ) ,肝功能恢复较对照组快 ,两组肝再生指数无明显差异 (P>0 .0 5 )。结论 肝缺血 15 min后 2 4 h,肝细胞亚铁血红素氧化酶 - 1被大量诱导产生 ,短时间缺血可以改善肝切除术后肝功能 ,缺血组肝切除术后肝功能的迅速改善可能与亚铁血红素氧化酶 - 1的诱生有关

Objective To observe the effect of different time period ischemia preoperation on the liver function after 80% hepatectomy in rat and to elucidate its mechanism. Methods 18 rats were divided into three groups,in the 15 minutes or 30 minutes ischemia group,the right portal vein and hepatic artery was clamped 15 minutes or 30 minutes, 24 hours later, we detected the heme oxygenase?1(HO?1) expression by immunohistochemical staining and determined the ATPase activity in the ischemia lobe, and the left lobe and...

Objective To observe the effect of different time period ischemia preoperation on the liver function after 80% hepatectomy in rat and to elucidate its mechanism. Methods 18 rats were divided into three groups,in the 15 minutes or 30 minutes ischemia group,the right portal vein and hepatic artery was clamped 15 minutes or 30 minutes, 24 hours later, we detected the heme oxygenase?1(HO?1) expression by immunohistochemical staining and determined the ATPase activity in the ischemia lobe, and the left lobe and caudate lobe were cut off. We observed the flunction of the liver function before and after the operation .At the fifth day we determined the liver regeneration index. Results HO?1 was strongly detected in the pericentral liver cell 24 hours later after 15 minutes or 30 minutes ischemia, no significant different was found among the three groups in ATPase activty(P>0.05).At the fifth day after 80% hepatectomy, the liver function indicator GPT,GOT and LDH improved significantly in the ischemia 15 minutes group(P<0.05), the liver regeneration index were the same in the three groups(P>0.05). Conclusion A large amount of HO?1 is induced 24 hours later after 15 or 30 minutes ischemia, 15 minutes ischemia may improve the liver function after hepatectomy, 30 minutes ischemia has no protective effect on the liver function after 80% hepatectomy.

目的 观察术前不同时间缺血对大鼠 80 %肝切除术后肝功能的影响 ,并对其作用机制进行探讨。方法 18只大鼠分成 3组 ,15min肝右叶缺血组 ,30min肝右叶缺血组 ,对照组只开腹 ,分离肝右叶血管 ,2 4h后行缺血肝叶亚铁血红素氧化酶 1免疫组化染色和ATP酶活性测定 ,同时行肝左叶和尾状叶切除 ,观察肝切除前、肝切除后 1、2、3、和第 5日肝功能指标GOT、GPT和LDH变化 ,第 5日测定肝再生指数。结果缺血组缺血后 2 4h ,对照组肝细胞亚铁血红素氧化酶 1染色阴性 ,15min缺血组肝细胞亚铁血红素氧化酶 1染色阳性 ,30min缺血组肝细胞亚铁血红素氧化酶 1染色强阳性 ,并由中央小静脉周围向汇管区逐渐减弱 ,3组肝ATP酶活性无差异 ;80 %肝切除后第 5日 ,缺血 15min组血清GOT、GPT和LDH明显低于对照组和缺血 30min组 (P <0 .0 5 ) ,肝功能恢复较对照组快 ,3组肝再生指数无明显差异 (P >0 .0 5 )。结论 肝缺血 15min后 2 4h ,肝细胞亚铁血红素氧化酶 1被大量诱导产生 ,短时间缺血可以改善肝切除术后肝功能 ,缺血组肝切除术...

目的 观察术前不同时间缺血对大鼠 80 %肝切除术后肝功能的影响 ,并对其作用机制进行探讨。方法 18只大鼠分成 3组 ,15min肝右叶缺血组 ,30min肝右叶缺血组 ,对照组只开腹 ,分离肝右叶血管 ,2 4h后行缺血肝叶亚铁血红素氧化酶 1免疫组化染色和ATP酶活性测定 ,同时行肝左叶和尾状叶切除 ,观察肝切除前、肝切除后 1、2、3、和第 5日肝功能指标GOT、GPT和LDH变化 ,第 5日测定肝再生指数。结果缺血组缺血后 2 4h ,对照组肝细胞亚铁血红素氧化酶 1染色阴性 ,15min缺血组肝细胞亚铁血红素氧化酶 1染色阳性 ,30min缺血组肝细胞亚铁血红素氧化酶 1染色强阳性 ,并由中央小静脉周围向汇管区逐渐减弱 ,3组肝ATP酶活性无差异 ;80 %肝切除后第 5日 ,缺血 15min组血清GOT、GPT和LDH明显低于对照组和缺血 30min组 (P <0 .0 5 ) ,肝功能恢复较对照组快 ,3组肝再生指数无明显差异 (P >0 .0 5 )。结论 肝缺血 15min后 2 4h ,肝细胞亚铁血红素氧化酶 1被大量诱导产生 ,短时间缺血可以改善肝切除术后肝功能 ,缺血组肝切除术后肝功能的迅速改善可能与亚铁血红素氧化酶 1的诱生有关。

Natural regeneration in Mongolian pine, Pinus sylvestris var. mongolica, forest at Honghuaerji of China (the original of the natural Mongolian pine, forest on sandy land) was studied in 2004. The total mean values of regeneration indexes were higher in mature stands (more than 80% individual stems were older than 50 years), the maximum of regeneration index reached 29 seedlings·m-2, with lowest values in the younger stand, e.g., in 32-year old and 43-year old stands. The stand age was an important...

Natural regeneration in Mongolian pine, Pinus sylvestris var. mongolica, forest at Honghuaerji of China (the original of the natural Mongolian pine, forest on sandy land) was studied in 2004. The total mean values of regeneration indexes were higher in mature stands (more than 80% individual stems were older than 50 years), the maximum of regeneration index reached 29 seedlings·m-2, with lowest values in the younger stand, e.g., in 32-year old and 43-year old stands. The stand age was an important factor determining the natural regeneration, which was the best in the older stands in this investigation (e.g. about 80-year old). The regeneration index seemed not to be closely in relation to canopy openness although Mongolian pine is a photophilic tree species. In each type of gaps, natural regeneration was very well. Regenera-tion indexes were satisfactory at the south and east edges in the circle gaps; and at the east edge of the narrow-square gaps. Results indicated that Mongolian pine, seedlings could endure shading understory, but it would not enter the canopy layer without gap or large disturbance, e.g., fire, wind/snow damage or clear cutting etc. These results may provide potentially references to the management and afforestation of Mongo-lian pine, plantations on sandy land in arid and semi-arid areas. Researches such as the comprehensive comparisons on regeneration, structure and ecological conditions and so on between natural Mongolian pine, forests and plantations should be conducted in the future.

樟子松是沙地主要针叶造林树种,沙地樟子松林天然分布于内蒙古自治区呼伦贝尔市红花尔基;红花尔基地区的气候特点为高纬度、低海拔、寒冷半湿润、短无霜期。沙地樟子松于20 世纪50 年代在科尔沁沙地引种成功,但一直不能天然更新,并于 20 世纪 90 年代初出现了生长衰退、枯梢直至死亡的现象,而天然沙地樟子松林无论在更新还是生长上却一直处于健康状态。为了认识天然沙地樟子松林天然林的更新特征,于 2004 年 7-8 月对红花尔基天然沙地樟子松林的20 块样地、3 种林窗(2 圆形、5 窄长方形、3 宽长方形)樟子松天然更新指数进行了调查。结果表明,林龄大的林分(大于 50 年)总平均更新指数高于林龄小的林分(小于 50 年),最大更新指数达29株m-2。更新的苗龄绝大多数小于10年生。回归分析表明,林龄是决定天然更新的主要因子;虽然樟子松是阳性树种,但林冠的郁闭度似乎对天然更新没有直接影响。林窗更新调查结果表明,林窗内更新指数都较高;对于圆形林窗更新高峰出现在林窗南缘和东缘,而对于窄长方形林窗,更新高峰则出现于东缘;而且更新苗龄相对较大(最大达 38 年)。上述结果表明樟子松更新苗具有一定的耐阴性,但如果没有较大林窗...

樟子松是沙地主要针叶造林树种,沙地樟子松林天然分布于内蒙古自治区呼伦贝尔市红花尔基;红花尔基地区的气候特点为高纬度、低海拔、寒冷半湿润、短无霜期。沙地樟子松于20 世纪50 年代在科尔沁沙地引种成功,但一直不能天然更新,并于 20 世纪 90 年代初出现了生长衰退、枯梢直至死亡的现象,而天然沙地樟子松林无论在更新还是生长上却一直处于健康状态。为了认识天然沙地樟子松林天然林的更新特征,于 2004 年 7-8 月对红花尔基天然沙地樟子松林的20 块样地、3 种林窗(2 圆形、5 窄长方形、3 宽长方形)樟子松天然更新指数进行了调查。结果表明,林龄大的林分(大于 50 年)总平均更新指数高于林龄小的林分(小于 50 年),最大更新指数达29株m-2。更新的苗龄绝大多数小于10年生。回归分析表明,林龄是决定天然更新的主要因子;虽然樟子松是阳性树种,但林冠的郁闭度似乎对天然更新没有直接影响。林窗更新调查结果表明,林窗内更新指数都较高;对于圆形林窗更新高峰出现在林窗南缘和东缘,而对于窄长方形林窗,更新高峰则出现于东缘;而且更新苗龄相对较大(最大达 38 年)。上述结果表明樟子松更新苗具有一定的耐阴性,但如果没有较大林窗或较大的其它干扰,如火、风雪害或皆伐等,更新苗木将很难进行入主林冠层。

 
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