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  submaxillary
Human carcinoma-associated and salivary mucins detected by anti-bovine submaxillary mucin antibodies
      
This method permits a relatively easy one-step purification of DNase I from rat and rabbit parotid glands, the rat submaxillary gland, and porcine pancreas.
      
Samples of duodenum, kidney, liver, and submaxillary gland were excised and processed for hematoxylin-eosin staining.
      
Mitotic indices, expressed as the number of colchicine-arrested metaphases per 1,000 nuclei, were assessed in convoluted tubule epithelium, duodenal crypt enterocytes, hepatocytes and submaxillary gland ductal and acinar sialocytes.
      
24-hour pattern of circulating prolactin and growth hormone levels and submaxillary lymph node immune responses in growing male
      
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  submand
Ongoing activity in identified neurons of the rat superior cervical ganglion before and after partial denervation of the submand
      
  submandibular
The Compensating Function of Submandibular Salivary Glands in Diabetes and Their Possible Stimulation by Isoproterenol
      
In experiments conducted on 903 rats, we studied the biometric characteristics of the major salivary glands (parotid, submandibular, and sublingual glands) during ontogenesis.
      
The strongest correlation was found between the dry weight of the submandibular gland and the rat body weight.
      
Mathematical analysis of the growth of the submandibular gland after sialotomy allowed us to derive a formula for the quantitative estimation of regeneration, taking into account the natural growth of the rat.
      
After extensive investigations for laryngeal, dental and submandibular gland disease, the condition was treated successfully with carbamazepine.
      
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In dogs under pentothal anaesthesia it was found that the submaxillary gland usually showed spontaneous secretion and that pressure stimulation of the carotid sinus by the inverted venous sac method augmented such secretion. The augmenting response persisted after sectioning either the chorda tympani or the vagosympathetic nerves. After sectioning of both nerves the response disappeared in some animals, but still persisted, though to a lesser extent, in other animals. In the latter animals the response could...

In dogs under pentothal anaesthesia it was found that the submaxillary gland usually showed spontaneous secretion and that pressure stimulation of the carotid sinus by the inverted venous sac method augmented such secretion. The augmenting response persisted after sectioning either the chorda tympani or the vagosympathetic nerves. After sectioning of both nerves the response disappeared in some animals, but still persisted, though to a lesser extent, in other animals. In the latter animals the response could finally be abolished by dividing the soft tissue on the medial aspect of the gland. The mechanism of this phenomenon is still not clear. Pressure stimulation of the carotid sinus has been found to augment the motility of the urinary bladder, when the anaesthesia used was very light. Only in a very few instances, inhibition of motility was observed. The efferent pathway of the augmenting response seems to be located in the sacral parasympathetic, for it was abolished by either administration of atropine or low level transection of the spinal cord. Intestinal motility has been found to be stimulated in the carotid sinus reflex, when the intestinal tone was initially low. With a high initial motility, however, the response might be an inhibition. In still other experiments no response from the intestine could be observed. Our results indicate that, under light anaesthesia pressoreceptive impulses from the carotid sinus may irradiate widely in the vegetative nerve centers so as to affect salivary secretion and intestinal and urinary bladder motility, the end result depending on the functional state of the nerve centers and also of the effectors themselves at the time of stimulation.

(一)在硫贲妥钠浅麻醉下犬的颌下腺多半有自动性分泌。颈动脉窦内加压一般都可以反射地刺激颌下腺的这种分泌。这一反射的传出途径除由腺门进入腺体的鼓索神经和交感神经外,可能尚有新的通路,文中曾予讨论。 (二)在浅麻醉或清醒状态下,颈动脉窦内压力增加可以反射地刺激膀胱运动,或是发动膀胱收缩,或是增加膀胱的收缩强度、收缩频率与收缩持续的时间。这一反射的传出途径通过盆神经。在个别情况下,也看到有抑制膀胱节律性活动的作用。 (三)颈动脉窦内压力增加也可以反射地刺激各段小肠以及结肠的运动,能够提高其紧张性,节律性与收缩强度。如果肠的运动性较高,有时则能发生抑制效应。 (四)我们认为颈动脉窦压力感受性反射在植物神经系统中能广泛扩散,尤其在浅麻醉或清醒状态下最容易表现出来,并且一般是副交感性的。

Two polyfunctional crystalline proteinase inhibitors A and B were obtained from Sagittaria sagittrifalia L., each with two identical active centers. The relatively high activity and polyf unctionality of this inhibitor are quite unusual among similar plant proteinase inhibitors.Both A and B could inhibit trypsin as well as chymotrypsin and kallikrein from swine subaxillary gland. The weight ratio of A or B to trypsin inhibited was determined using the following trypsin substrates: casein, benzoyl arginine ethyl...

Two polyfunctional crystalline proteinase inhibitors A and B were obtained from Sagittaria sagittrifalia L., each with two identical active centers. The relatively high activity and polyf unctionality of this inhibitor are quite unusual among similar plant proteinase inhibitors.Both A and B could inhibit trypsin as well as chymotrypsin and kallikrein from swine subaxillary gland. The weight ratio of A or B to trypsin inhibited was determined using the following trypsin substrates: casein, benzoyl arginine ethyl ester and benzoyl arginine α-naphthyl amide. With different substrates the ratios obtained were rather close, the mean values being 2.70 and 2.86 for inhibitors A and B respectively. The dissociation constants were found to be in the range of 10~(-9) to 10~(10). The weight ratios of A and B to chymotrypsin required for inhibition to the extent of 50% were also determined using casein, benzoyl tyrosine ethyl ester or nicotinyl tyrosine hydrazine as substrate. B showed a stronger affinity for trypsin than A, while A was apparently a more efficient inhibitor for chymotrypsin and kallikrein than B.The molecular weights of inhibitors A and B were determined by means of gel filtration on Sephadex and electrophoresis on polyacrylamide gel and both were found to be about 17,000. From the activities of inhibitors A and B towards trypsin, assuming one to one combination, it was estimated that the effective molecular weights of both A and B were about 8500, so it was inferred that, like the mung bean trypsin inhibitors, A and B also contain two active centers with the same biological function.The amino acid compositions of inhibitors A and B were similar except for slight differences in the content of basic amino acids. Both of them were found to contain two disulphide bonds and to be rich in non-polar acids (>60%). The minimum molecular weights as estimated from the amino acid compositions were about 16,500. For both inhibitors A and B the N-terminal amino acid was aspartic acid, as determined by the FDNB and DNS-Gl methods and further confirmed by enzymic hydrolysis with aminopeptidase M.

由于蛋白酶抑制剂在生理、生化、病理、药理上都占有很重要的地位,特别是具有多功能的蛋白酶抑制剂被广泛应用于临床,近年来愈来愈受到各方面的重视。本文报道了从慈菇中提取两种结晶的多功能蛋白酶抑制剂,它们都具有两个活力相等的活性中心,这与其他已知的同类型植物蛋白酶抑制剂不同,有它的特殊性。(1)慈菇蛋白酶抑制剂A、B,除能抑制胰蛋白酶外,还能抑制胰凝乳蛋白酶及猪颌下腺的舒缓激肽释放酶。用酰胺、酯及蛋白等不同底物分别求出抑制剂A、B对胰蛋白酶的当量抑制比值及对胰凝乳蛋白酶的半抑制比值。两者对胰蛋白酶的抑制常数在10~(-9)~10~(-10)的范围内,抑制剂B对胰蛋白酶较之A有更大的结合力,但抑制剂A对胰凝乳蛋白酶及舒缓激肽释放酶较之B却有更明显的抑制活力。(2)用葡聚糖凝胶过滤及聚丙烯酰胺凝胶电泳分别测定抑制剂A、B的分子量均在17000左右。从抑制剂A、B对胰蛋白酶的当量抑制比值求得分子量为8500。这说明每一抑制剂分子中具有两个活力相等的活性中心。(3)测定了抑制剂A、B的氨基酸组成,二者除碱性氨基酸及天冬氨酸含量略有差异外其余皆相同,各含有两对二硫键,非极性氨基酸含量较高约占60%左右。由氨基酸组成求得最小分子...

由于蛋白酶抑制剂在生理、生化、病理、药理上都占有很重要的地位,特别是具有多功能的蛋白酶抑制剂被广泛应用于临床,近年来愈来愈受到各方面的重视。本文报道了从慈菇中提取两种结晶的多功能蛋白酶抑制剂,它们都具有两个活力相等的活性中心,这与其他已知的同类型植物蛋白酶抑制剂不同,有它的特殊性。(1)慈菇蛋白酶抑制剂A、B,除能抑制胰蛋白酶外,还能抑制胰凝乳蛋白酶及猪颌下腺的舒缓激肽释放酶。用酰胺、酯及蛋白等不同底物分别求出抑制剂A、B对胰蛋白酶的当量抑制比值及对胰凝乳蛋白酶的半抑制比值。两者对胰蛋白酶的抑制常数在10~(-9)~10~(-10)的范围内,抑制剂B对胰蛋白酶较之A有更大的结合力,但抑制剂A对胰凝乳蛋白酶及舒缓激肽释放酶较之B却有更明显的抑制活力。(2)用葡聚糖凝胶过滤及聚丙烯酰胺凝胶电泳分别测定抑制剂A、B的分子量均在17000左右。从抑制剂A、B对胰蛋白酶的当量抑制比值求得分子量为8500。这说明每一抑制剂分子中具有两个活力相等的活性中心。(3)测定了抑制剂A、B的氨基酸组成,二者除碱性氨基酸及天冬氨酸含量略有差异外其余皆相同,各含有两对二硫键,非极性氨基酸含量较高约占60%左右。由氨基酸组成求得最小分子量约16500。(4)用二硝基氟苯,二甲基氨基萘磺酰氯及氨肽酶M测定抑制剂A、B的N末端,都证实是天冬氨酸。

Two polyfunctional crystalline proteinase inhibitors A and B were obtained from Sagittaria sagittrifalia L., each with two identical active centers. The relatively high activity and polyfunctionality of this inhibitor are quite unusual among similar plant proteinase inhibitors.Both A and B could inhibit trypsin as well as chymotrypsin and kallikrein from swine subaxillary gland. The weight ratio of A or B to trypsin inhibited was determined using the following trypsin substrates: casein, benzoyl arginine ethyl...

Two polyfunctional crystalline proteinase inhibitors A and B were obtained from Sagittaria sagittrifalia L., each with two identical active centers. The relatively high activity and polyfunctionality of this inhibitor are quite unusual among similar plant proteinase inhibitors.Both A and B could inhibit trypsin as well as chymotrypsin and kallikrein from swine subaxillary gland. The weight ratio of A or B to trypsin inhibited was determined using the following trypsin substrates: casein, benzoyl arginine ethyl ester and benzoyl arginine α-naphthyl amide. With different substrates the ratios obtained were rather close, the mean values being 2.70 and 2.86 for inhibitors A and B respectively. The dissociation constants were found to be in the range of 10~(-9) to 10~(-10). The weight ratios of A and B to chymotrypsin required for inhibition to the extent of 50% were also determined using casein, benzoyl tyrosine ethyl ester or nicotinyl tyrosine hydrazine as substrate. B showed a stronger affinity for trypsin than A, while A was apparently a more efficient inhibitor for chymotrypsin and kallikrein than B.The molecular weights of inhibitors A and B were determined by means of gel filtration on Sephadex and electrophoresis on polyacrylamide gel and both were found to be about 17,000. From the activities of inhibitors A and B towards trypsin, assuming one to one combination, it was estimated that the effective molecular weights of both A and B were about 8500, so it was inferred that, like the mung bean trypsin inhibitors, A and B also contain two active centers with the same biological function.The amino acid compositions of inhibitors A and B were similar except for slight differences in tho content of basic amino acids. Both of them were found to contain two disulphide bonds and to be rich in non-polar acids (>60%). The minimum molecular weights as estimated from the amino acid compositions were about 16,500. For both inhibitors A and B the N-terminal amino acid was aspartic acid, as determined by the FDNB and DNS-Cl methods and further confirmed by enzymic hydrolysis with aminopeptidase M.

由于蛋白酶抑制剂在生理、生化、病理、药理上都占有很重要的地位,特别是具有多功能的蛋白酶抑制剂被广泛应用于临床,近年来愈来愈受到各方面的重视。本文报道了从慈菇中提取两种结晶的多功能蛋白酶抑制剂,它们都具有两个活力相等的活性中心,这与其他已知的同类型植物蛋白酶抑制剂不同,有它的特殊性。(1)_慈菇蛋白酶抑制剂A、B,除能抑制胰蛋白酶外,还能抑制胰凝乳蛋白酶及猪颌下腺的舒缓激肽释放酶。用酰胺、酯及蛋白等不同底物分别求出抑制剂A、B对胰蛋白酶的当量抑制比值及对胰凝乳蛋白酶的半抑制比值。两者对胰蛋白酶的抑制常数在10~(-9)~10~(-10)的范围内,抑制剂B对胰蛋白酶较之A有更大的结合力,但抑制剂A对胰凝乳蛋白酶及舒缓激肽释放酶较之B却有更明显的抑制活力。(2)_用葡聚糖凝胶过滤及聚丙烯酰胺凝胶电泳分别测定抑制剂A、B的分子量均在17000左右。从抑制剂A、B对胰蛋白酶的当量抑制比值求得分子量为8500。这说明每一抑制剂分子中具有两个活力相等的活性中心。(3)_测定了抑制剂A、B的氨基酸组成,二者除碱性氮基酸及天冬氨酸含量略有差异外其余皆相同,各含有两对二硫键,非极性氨基酸含量较高约占60%左右。由氨基酸组成求得最...

由于蛋白酶抑制剂在生理、生化、病理、药理上都占有很重要的地位,特别是具有多功能的蛋白酶抑制剂被广泛应用于临床,近年来愈来愈受到各方面的重视。本文报道了从慈菇中提取两种结晶的多功能蛋白酶抑制剂,它们都具有两个活力相等的活性中心,这与其他已知的同类型植物蛋白酶抑制剂不同,有它的特殊性。(1)_慈菇蛋白酶抑制剂A、B,除能抑制胰蛋白酶外,还能抑制胰凝乳蛋白酶及猪颌下腺的舒缓激肽释放酶。用酰胺、酯及蛋白等不同底物分别求出抑制剂A、B对胰蛋白酶的当量抑制比值及对胰凝乳蛋白酶的半抑制比值。两者对胰蛋白酶的抑制常数在10~(-9)~10~(-10)的范围内,抑制剂B对胰蛋白酶较之A有更大的结合力,但抑制剂A对胰凝乳蛋白酶及舒缓激肽释放酶较之B却有更明显的抑制活力。(2)_用葡聚糖凝胶过滤及聚丙烯酰胺凝胶电泳分别测定抑制剂A、B的分子量均在17000左右。从抑制剂A、B对胰蛋白酶的当量抑制比值求得分子量为8500。这说明每一抑制剂分子中具有两个活力相等的活性中心。(3)_测定了抑制剂A、B的氨基酸组成,二者除碱性氮基酸及天冬氨酸含量略有差异外其余皆相同,各含有两对二硫键,非极性氨基酸含量较高约占60%左右。由氨基酸组成求得最小分子量约16500。(4)_用二硝基氟苯,二甲基氨基萘磺酰氯及氨呔酶M测定抑制剂A、B的N末端,都证实是天冬氨酸。

 
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