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observation
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  —观测
     Determining the Astronomical Refraction and Building the Radio Wave Refractive Delay Model Measured(Ⅰ)——Observation Principle and Feasibility
     测定天文大气折射和建立电磁波折射延迟实测模型(Ⅰ)——观测原理和可行性
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     The dust spatial distribution characteristic in spring and Northern Pacific region —— observation and simulation.
     北太平洋地区春季粉尘的空间分布特征——观测及模拟
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  “— observation”译为未确定词的双语例句
     Comparative Immunohistochemical Study Between Chronic Erosivc Gastritisand Gastric Carcinoma——Observation of Expression of P~(21), P~(53), PCNA andCEA
     慢性糜烂性胃炎与胃癌的免疫组织化学比较研究——P~(21ras)、 P~(53)、PCNA和CEA表达的观察
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     APPROACH TO PIPERAQUINE PHOSPHATE PREVENTION ON SILICOSIS—OBSERVATION ON 100 CASES FOR NINE YEARS
     磷酸喹哌预防矽肺病的探讨——100例九年观察总结
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     Clinical Study of Pulmonary Encephalopatby Mainly with Injection of Ellmlnating Phlegm and Blood Stasis,Rettoring Conscious-ness—Observation Analysis of 102 Cases
     豁痰化瘀开窍针剂为主治疗肺性脑病的临床研究——附102例观察分析
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     On Government Deposit and Economy Increase——Observation of Necessity for Government Deposit in Modern Economy
     政府储蓄与经济增长——对现代经济中政府储蓄必要性的考察
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     Studies on the Plasticity of Regeneration of Sciatic Nerve Axons in Rats—Observation of horseradish peroxidase (HRP) tracing
     大白鼠坐骨神经再生轴突可塑性的研究——辣根过氧化物酶(HRP)示踪观察
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     OBSERVATION
     本期观察
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     OBSERVATION
     观察
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Vanillalrhodanine was found to be an excellent reagent for silver ions. Its 0.2 percent solution in acetone gives a brownish violet precipitate with silver ions in ammoniacal solution. Limit of identification: 0.01γ. Concen- tration limit: 1∶5,000,000. Merecric and merourous ions give same reactions, but they can be removed by the addition of aqueous ammonia and the test is to be carried out in the filtrate. Ferric ions, when present in high concentra- tions, interfere the observation of silver.

3甲氧基4羥基亞苄羅丹寧可以用作銀離子的斑點試劑。其千分之二丙酮溶液與銀離子在含氨溶液中生成棕紫色沈澱。鑑定限度為0.01_γ,濃度界限爲1∶5,000,000。普通離子除汞外皆不干擾。鐵鹽在濃度高時,才妨碍銀的鑑定。

The observation of Koshtoyantz that urea has beneficial effect on muscle fatigued by indirect stimulation, has been confirmed. This"defatigue" effect really only represents a removal of conduction block at the neuromuscular junction. On fatigue of the muscle fibres itself urea has no ameliorating effect. To obtain the above mentioned"defatigue" effect of urea requires rather strict experimental conditions; in particular, the Ringer used to soak the muscle and to prepare the urea solution must contain a...

The observation of Koshtoyantz that urea has beneficial effect on muscle fatigued by indirect stimulation, has been confirmed. This"defatigue" effect really only represents a removal of conduction block at the neuromuscular junction. On fatigue of the muscle fibres itself urea has no ameliorating effect. To obtain the above mentioned"defatigue" effect of urea requires rather strict experimental conditions; in particular, the Ringer used to soak the muscle and to prepare the urea solution must contain a small amount of phosphate and bicarbonate and a relatively low concentration of calcium. Cysteine not only has no similar"defatigue" effect, but when present together with urea even tends to suppress the"defatigue" effect of the latter. Another contrast between urea and cysteine is that while cysteine can remove the neuromuscular block due to cadmium chloride, urea can not. Neuromuscular block resulting from lack of sodium ions or a certain ionic inbalance in the medium can also be partially removed by urea. Soaking in urea solution causes the muscle to respond repetitively to single stimulus, whether indirect or direct. The hypothesis that the"defatigue" effect of urea on the muscle results from the release of the SH groups of some proteins, has been examined and found to be at present very uncertain. The authors are indebted to Prof. T. P. Feng for guidance and encouragement throughout this work.

對於肌肉在接連的間接刺激中所發展的疲乏,脲有解除作用,半胱氨酸沒有。這實際上只是對神經肌肉接頭的傳導阻遏的解除,對於肌纖維本身的疲乏,脲並不能減輕。要得到脲對於神經肌肉接頭的疲乏的解除作用,試驗須具備一定的條件,特别是用以浸潤肌肉和配製脲溶液的任氏溶液,必須含有少量的重碳酸根或磷酸根離子並有適宜的鈣離子濃度。脲的處理能使肌肉纖維對單個刺激作重複反應,不論刺激是間接的或直接的。 對於由於電解質缺乏或不平衡而起的神經肌肉接頭的傳導阻遏,脲亦有解除作用。但氯化鎘引起的傳導阻遏,脲不能解除,而半胱氨酸則能。 關於脲作用的機制,本文有所討論,指出釋放硫氫基的假說能否成立,尚属疑問。

Pacinian corpuscles from cat mesentery were fixed in Carnoy's fixative, paraffinsectioned and stained in Feulgen reagent and methyl green-pyronin. Controlled sectionswere hydrolyzed in 20% perchloric acid at 70℃ and 10% perchloric acid at 1-4℃. Itwas found that the so-called nuclei in the lamellae were Feulgen positive and stainedbluish purple after the methyl green-pyronin method. They disappeared after perchloric acidhydrolysis in 70℃ and showed no change after cold treatment. Their histochemicalreactions,...

Pacinian corpuscles from cat mesentery were fixed in Carnoy's fixative, paraffinsectioned and stained in Feulgen reagent and methyl green-pyronin. Controlled sectionswere hydrolyzed in 20% perchloric acid at 70℃ and 10% perchloric acid at 1-4℃. Itwas found that the so-called nuclei in the lamellae were Feulgen positive and stainedbluish purple after the methyl green-pyronin method. They disappeared after perchloric acidhydrolysis in 70℃ and showed no change after cold treatment. Their histochemicalreactions, stainability and detailed structures were similar to the nuclei of the connectivecells next to the corpuscle. It was therefore concluded the nuclear like bodies in the Paciniancorpuscles studied were true nuclei as mentioned in histological textbooks and not merely thecondensation of fibrils as W. Schwarz recently claimed after electron microscopic observation.These nuclei were located in between the fibrils of the lamellae.

1.用母猫肠系膜内的环层小体,Carnoy固定液固定,石蜡包埋,切成10微米。 2.用Feulgen染色,板层内的细胞核有阳性反应,用甲绿——哌啷咛染色,核呈蓝紫色,且均与附近的成纤维细胞核有相同的构造。 3.用过氯酸在70℃下水解3小时後再用上法染色,就不再见有这些核的出现,而用过氯酸在冰箱中(1.5—2℃)过夜,核的颜色和构造都与对照片同。 4.用蒸馏水代替过氯酸在70℃或1.5—2℃同样处理後染色也和对照片同。 5.由以上的结果,我们认为环层小体的板层内有核的存在。根据我们的观察核在环层本身的两层膜内。

 
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