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The synthesized compounds were evaluated as perchlorides and methiodides by functional tests with rabbit vas deferens (putative M1), guinea-pig heart (M2) and guinea-pig ileum (M3).
      
The synthesized compounds were evaluated as perchlorides and methiodides by functional tests with rabit vas deferens (putatvie M1), guinea-pig heart (M2) and guinea-pig ileum (M3).
      
These proteins may be involved in cardiovascular injury, and could play an important role in the treatment of coronary heart disease.
      
Twenty cases still had other congenital heart diseases: ventricular septal defect (19 cases), patent ductus arteriosus (two cases), double-chambered right ventricle (one case), aneurysm of the right anterior aortic sinus of valsalva (three cases).
      
Congenital aortic valve malformations in children involve males more than females, mostly associated with other congenital heart diseases.
      
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In connection with experiments on the control of the rice stem borer, aseries of observations were conducted in 1949 to 1952 in Canton to determinethe form of the distribution of the moth, the egg-mass and the larval popula-tions of this species. It was found that the moth and egg-mass populations inrice seed-beds are in essential agreement with the random distribution of thePoisson series. The larval population in spring-crop fields apparently conformsto the contagious and the negative binomial distributions....

In connection with experiments on the control of the rice stem borer, aseries of observations were conducted in 1949 to 1952 in Canton to determinethe form of the distribution of the moth, the egg-mass and the larval popula-tions of this species. It was found that the moth and egg-mass populations inrice seed-beds are in essential agreement with the random distribution of thePoisson series. The larval population in spring-crop fields apparently conformsto the contagious and the negative binomial distributions. The larval population during hibernation period appears to be neither of the random distribution norof the contagious type but agrees with the negative binomial distribution. The population distribution of the injured stems, characterized by the ap-pearance of "dead-hearts" and "white ears" was also studied. The "dead-hearts"popolation in autumn-crop fields conforms with the contagious and the negativebinomial distribution. The distribution of the "white ears" is not at random. It iseither in essential agreement with the contagious or with the negative binomialdistribution, depending on the size of the sampling unit. Based on the form of population distribution the questions of sampling tech-nique, the design of field experiments, the transformation of data for statisticalanalysis, as well as the habits and control of insects have been discussed inrelation to the rice stem borer. Since the populations of larvae and "whiteears" differ significantly from the random distribution, a new technique forsampling has been proposed. It is hoped that this may be useful in the investi-gations on the relative effectiveness of control operations and for census purposes.

(一)本文就昆虫常见的数种集团分布:潘松分布、核心分布和负二项式分布的公式、性质和例子等略加讨论介绍。 (二)我们在广州附近对三化螟各时期和白穗、枯心苗的田间分布型式作了初步的调查,所得结果如下: 1.螟蛾和卵块在秧田上是随机分布的。 2.幼虫在本田分布不随机,符合核心分布和负二项式分布。 3.白穗在田间的分布不随机,1×1丛、2×2丛、……6×6丛各种取样单位型样本均符合负二项式分布,4×4丛、5×5丛和6×6丛三种取样单位型样本则更符合核心分布。 4.稻遗株内越冬幼虫分布不随机,亦不符合核心分布,但符合负二项式分布。 5.晚造本田枯心苗田间分布不随机,符合核心分布和负二项式分布。 (三)本文就昆虫集团分布型式的调查在实用上的意义,联系到三化螟来讨论,我们论及与虫害调查取样技术、田间试验设计、统计代换方法、昆虫生活习性和害虫防治等各方面的关系;其中取样技术方面,我们举出针对三化螟幼虫在本田和白穗不随机分布的取样新方法的尝试,希望对今后螟害调查工作有所帮助。 (四)最后,我们就一些昆虫分布的特殊问题加以论列,像密度对分布型式的影响,混合集团和环境因素的影响于昆虫集团分布类型等,就中说明了密度过大过 小时了解分...

(一)本文就昆虫常见的数种集团分布:潘松分布、核心分布和负二项式分布的公式、性质和例子等略加讨论介绍。 (二)我们在广州附近对三化螟各时期和白穗、枯心苗的田间分布型式作了初步的调查,所得结果如下: 1.螟蛾和卵块在秧田上是随机分布的。 2.幼虫在本田分布不随机,符合核心分布和负二项式分布。 3.白穗在田间的分布不随机,1×1丛、2×2丛、……6×6丛各种取样单位型样本均符合负二项式分布,4×4丛、5×5丛和6×6丛三种取样单位型样本则更符合核心分布。 4.稻遗株内越冬幼虫分布不随机,亦不符合核心分布,但符合负二项式分布。 5.晚造本田枯心苗田间分布不随机,符合核心分布和负二项式分布。 (三)本文就昆虫集团分布型式的调查在实用上的意义,联系到三化螟来讨论,我们论及与虫害调查取样技术、田间试验设计、统计代换方法、昆虫生活习性和害虫防治等各方面的关系;其中取样技术方面,我们举出针对三化螟幼虫在本田和白穗不随机分布的取样新方法的尝试,希望对今后螟害调查工作有所帮助。 (四)最后,我们就一些昆虫分布的特殊问题加以论列,像密度对分布型式的影响,混合集团和环境因素的影响于昆虫集团分布类型等,就中说明了密度过大过 小时了解分布型式成为不必要的,因为极度的不均衡会回复为均衡状态的。

By continuous perfusion with calcium free Ringer solution, the activity of the hypodynamic toad heart may be augmented with certain phosphatides or soaps. Among those lipids, crude soy-bean phosphatides are most powerful. Crude egg yolk phosphatides and its alcoholic insoluble fraction and sodium or ammonium oleates are also effective; whereas the alcohol soluble fraction of egg yolk phosphatides(i.e. lecithin) and potassium oleate are ineffective. The perfusion fluids, which revive the activities of the...

By continuous perfusion with calcium free Ringer solution, the activity of the hypodynamic toad heart may be augmented with certain phosphatides or soaps. Among those lipids, crude soy-bean phosphatides are most powerful. Crude egg yolk phosphatides and its alcoholic insoluble fraction and sodium or ammonium oleates are also effective; whereas the alcohol soluble fraction of egg yolk phosphatides(i.e. lecithin) and potassium oleate are ineffective. The perfusion fluids, which revive the activities of the hearts and which are drained after experiments contain about 1/8 to 1/4 the quantity of calcium of normal Ringer. Such calcium is speculated to be liberated from the cardiac tissue. In conclusion, the presence of a minute quantity of calcium in the perfusing fluid is necessary to aid the action of phosphatides in maintaining the contractility of the hearts.

(一)在無鈣任氏液中,蟾蜍心臟搏動停止,某些磷脂和皂類可以使心臟搏動恢復,並維持幾小時。 (二)在上述情况中,有效的脂類為大豆磷脂、粗製雞卵璘脂及其不溶於酒精的部分、油脂酸鈉和油脂酸銨等;溶於酒精的雞卵磷脂和油脂酸鉀,並無作用。 (三)心搏在無鈣任氏液中經磷脂作用而恢復後,鈣自心肌向灌流液釋出。 (四)心肌鈣質或灌流液中存在的微量鈣質是磷脂對心肌的興奮作用所必需。

Soy-bean phosphatides, sodium oleate and rabbit serum are able to revive the contractility of toad heart inhibited by high potassium(0.054 to 0.074 gram of KCl in 100 ml Ringer solution) and by acetylcholine. During the recovery of the mechanical activity of the cardiac muscle in potassium inhibition, there is always an augmentation of its electrical response. Adrenaline stimulates the potassium as well as the acetylcholine inhibited toad hearts. The action of adrenaline differs from that of the...

Soy-bean phosphatides, sodium oleate and rabbit serum are able to revive the contractility of toad heart inhibited by high potassium(0.054 to 0.074 gram of KCl in 100 ml Ringer solution) and by acetylcholine. During the recovery of the mechanical activity of the cardiac muscle in potassium inhibition, there is always an augmentation of its electrical response. Adrenaline stimulates the potassium as well as the acetylcholine inhibited toad hearts. The action of adrenaline differs from that of the lipids in(i) adrenaline produces no A-V block and(ii) adrenaline promotes the contractility and accelerates the rhythm of the heart.

(一)在高鉀抑制的心臟,大豆磷脂與油脂酸鈉和血清有恢復或增強心臟搏動的能力。 (二)磷脂在加強高鉀抑制中的機械反應同時,亦加強心肌的動作電流。 (三)腎上腺素亦有興奮高鉀與乙醯胆鹼抑制心臟的作用。與磷脂所表現有所不同,腎上腺素在高鉀任氏溶液中不出現房室阻滯;在乙醯胆鹼抑制下,則不但興奮心肌的機械反應且增加心搏的頻率。

 
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