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tantalum coil
相关语句
  钽丝圈
     Study on Tantalum Coil Atomizer for Atomic Absorption Spectrometry
     钽丝圈原子化器原子吸收光谱法的研究
短句来源
     A self _ assembled tantalum coil atomiser for atomic absorption spectrometry is described. Pro_perties of the atomiser for the determination of Cd, Cu, Mn and Pb were studied using Ar as protecting gas.
     将自制钽丝圈原子化器与原子吸收光谱仪联用,以氩气作保护气,测定了Cd、Cu、Mn、和Pb,研究这一原子化器的性能。
短句来源
  “tantalum coil”译为未确定词的双语例句
     An experimental setup for atomic absorption spectrometry with a tantalum coil as the atomizer, and an acousto optic tunable filter(AOTF) as the wavelength selector was described. By using the atomic absorption spectrometry(AAS) Na was determined.
     研究了声光可调滤光片 ( AOTF)的性能 ,并以 AOTF为波长选择系统 ,钽丝为原子化器 ,用原子吸收光谱法测定了 Na.
短句来源
  相似匹配句对
     Study on Tantalum Coil Atomizer for Atomic Absorption Spectrometry
     钽丝圈原子化器原子吸收光谱法的研究
短句来源
     coil and S. aureus.
     aureus均有抗性;
短句来源
     Tantalum and its Alloys
     钽及其合金
短句来源
     Coil Conveyer system
     流水线输送卷料纵向自动调整
短句来源
     Application of Tantalum to LSIC
     钽在集成电路中的应用
短句来源
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  tantalum coil
Angiographic patency of a balloon expandable tantalum coil stent in coronary and renal arteries of dogs.
      


To develop a new animal model of restenosis oversized tantalum coils were deli vered into coronary arteries of 16 dogs. At 28 days after implantation, the target vessels were har vested and studied with HE staining, immunohistochemistry and in situ hybridization. The neointi mal thickness was related to the vascular injury score. A great deal of smooth muscle cells and col lagen were found in the neointiml. The platelet-derived growth factor-B was secreted from the en dothelial cells primarily but its...

To develop a new animal model of restenosis oversized tantalum coils were deli vered into coronary arteries of 16 dogs. At 28 days after implantation, the target vessels were har vested and studied with HE staining, immunohistochemistry and in situ hybridization. The neointi mal thickness was related to the vascular injury score. A great deal of smooth muscle cells and col lagen were found in the neointiml. The platelet-derived growth factor-B was secreted from the en dothelial cells primarily but its receptor was located in the proliferative smooth muscle cells. It suggests that implantation of oversized stent in canine coronary artery can create a new animal model of restenosis. The mechanism of restenosis and the relation of oncogenes to restenosis were discussed.

为建立一种新的再狭窄模型,初步探讨再狭窄的形成机理。在16只犬冠状动脉内植入过大的钽丝支架,28d后用常规HE、免疫组化和原位杂交方法作组织学分析。结果:新生内膜厚度与血管壁损伤程度呈正相关,新生内膜中含有大量血管平滑肌细胞及胶原纤维,血小板源生长因子主要由内皮细胞分泌但其受体主要分布于新生血管平滑肌细胞。提示:犬冠状动脉内植入过大钽丝支架可作为一种新的动物模型,并为临床研究提供依据。

A tantalum\|coil atomizer for atomic absorption spectrometry is described.Ar was used as shiedling gas. Under the selected experimental conditions, the characteristic concentrations for Cd, Cu and Zn are 2, 30 and 7 ng/mL, respectively. This method has been used to determine Cu,Zn,Cd in some practical samples with satisfactory results.

用自制的钽丝圈原子化器与原子吸收光谱仪联用,以氩气为保护气,测定了Cd、Cu 和Zn,研究了这一原子化器的性能。在选定的仪器工作条件下,测定Cd、Cu 和Zn 的特征浓度分别为2、30 和7 ng/m L。对实际样品中的Cu、Zn 和Cd 进行测定,其结果令人满意。

Objective:To investigate the mechanism of defibrase inhibiting the neointimal proliferation after vascular injury. Methods: Oversized tantalum coils were implanted into coronary arteries in 19 dogs. Ten dogs were randomly treated with defibrase (group A) and the others (group B) received two doses of heparin only. The dogs were killed 28 days after the implantation. Histopathology with hematoxylin eosin staining, immunohistochemisty with α Actin monocolon antibody and in situ hybridization were employed...

Objective:To investigate the mechanism of defibrase inhibiting the neointimal proliferation after vascular injury. Methods: Oversized tantalum coils were implanted into coronary arteries in 19 dogs. Ten dogs were randomly treated with defibrase (group A) and the others (group B) received two doses of heparin only. The dogs were killed 28 days after the implantation. Histopathology with hematoxylin eosin staining, immunohistochemisty with α Actin monocolon antibody and in situ hybridization were employed to investigate the neointimal and to detect the proliferation of vascular muscle cells and the expression of C fos oncogene. A computer image analysis system was used to measure the neointimal thickness and the stain density indexes of α Actin and C fos. Results:The neointimal thickness, the expression of α Actin and the transcription of C fos oncogene were lower in group A than in group B. Conclusion:Defibrase decreased the intimal hyperplasia, which might be the results of inhibiting the proliferation of vascular muscle cells by decreasing the expression of C fos oncogene.

目的:探讨去纤酶抑制血管损伤后内膜增生的机制。方法:以犬冠状动脉内植入过大钽丝支架致血管内膜过度增生为动物模型,用常规组织方法、免疫组化及mRNA原位杂交技术分别检测新生内膜厚度、新生内膜中血管平滑肌细胞增生及C-fos基因的转录情况,并采用随机对照方法观察去纤酶对血管损伤后内膜增生程度、α平滑肌肌动蛋白表达及C-fos基因转录的影响。结果:去纤酶组新生内膜厚度、α平滑肌肌动蛋白的表达及C-fos的转录水平均显著低于对照组(P分别<0.05及0.01)。结论:去纤酶可能通过影响C-fos基因的转录水平而抑制血管平滑肌细胞增生,这可能是该药抑制血管损伤后的内膜增生反应的作用机制之一

 
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