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block-
相关语句
  相似匹配句对
     Block and Z.
     B lock和Z.
短句来源
     Gypsum block
     石膏砌块
短句来源
     On the Criteria for Block H - matrices
     关于块H-矩阵的判定条件
短句来源
     Criteria for Block H-matrices
     块H-矩阵的判定
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  block-
This article presents a method for approximating spherical functions from discrete data of a block-wise grid structure.
      
Let G be a block-primitive automorphism group of a 2-(v,k,1) design.
      
This paper presents the hybrid model identification for a class of nonlinear circuits and systems via a combination of the block-pulse function transform with the Volterra series.
      
The wear resistance of Cr13Ni5Si2/γ alloy was evaluated on an MM-200 block-on-wheel dry sliding wear tester at room temperature.
      
A block-observable form of nonlinear systems is elaborated, in which the design of dynamic observation devices is subdivided into sequentially and independently solved elementary subproblems of reduced dimension.
      
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In this paper the logical structure of contactless telemechanical system for distributed objects is discussed. A simple method of variable system structure for transmitting and receiving telemechanical information is adopted. The idea is that the information oc-curred in every controlled point (station) and the information of some of those objects,which frequently change their states, are transmitted continually and cyclically, while for other objects their information is transmitted only after any change in...

In this paper the logical structure of contactless telemechanical system for distributed objects is discussed. A simple method of variable system structure for transmitting and receiving telemechanical information is adopted. The idea is that the information oc-curred in every controlled point (station) and the information of some of those objects,which frequently change their states, are transmitted continually and cyclically, while for other objects their information is transmitted only after any change in their states. Thus,the speed of operation will be increased, and also the error probability of system syn-chronization will be decreased. For the realization of the variable logical system struc-ture, several blocks are used repetitively. For example, two commutators and one sim-ple logical unit are used to construct a simple automatic sequential encoder, and at the same time, the two commutators are used also to operate as a matrix commutator for receiving telesignalling information etc. Therefore the system is comparatively simplified and attains a higher degree of "minimization".

本文研究了无触点集中-分散目标远动系统的逻辑结构.文中提出了采用简单的系统变结构来发送和接收信息的逻辑结构方式.对被控制点及一部分比较重要或变化比较频繁的被控制目标的信息,保留了循环传送,而对大部分变化比较慢的被控制目标则采用目标有变化时才传送信号的方式,这样就提高了系统的平均动作速度,同时也减小系统的失步概率.文中采用环节的复合利用及简化的逻辑单元线路来实现这种系统的逻辑结构.例如用两个分配器和一个简单的逻辑单元“和”线路组成了很简化的选点自动程序编码器,同时这两个分配器又复合利用兼组成目标信号接收矩阵式分配器等,因而可以使得这种系统同时又具有较高的极简化度.

The present work extends the obserwtion of an earlier report and Shows that the conduction block in nerve produced by cocaine, procaine, urethane, isotonic choline chloride, TEPP and DFP, though not accompanied by any lowering of membrane potential, can be relieved by anodal current. It follows that the mechanism of anodal relief of block can not be supposed to be simply a restoration of previously lowered membrane potential. With eserine, although depolarization occurs, the block develops....

The present work extends the obserwtion of an earlier report and Shows that the conduction block in nerve produced by cocaine, procaine, urethane, isotonic choline chloride, TEPP and DFP, though not accompanied by any lowering of membrane potential, can be relieved by anodal current. It follows that the mechanism of anodal relief of block can not be supposed to be simply a restoration of previously lowered membrane potential. With eserine, although depolarization occurs, the block develops. long before, the start of the depolarization; thus the anodal relief of the block produced by eserine likewise cannot be simply due to a restoration of polarization. Successful anodal relief of block somehow depends upon the initial state of the nerve. For instance, it is better in a freshly dissected nerve than in a nerve after several hours soaking in Ringer; better in a nerve having had prolonged soaking in Ringer with somewhat raised potassium concentration than in a potassium-free Ringer. It seems that any prior treatment causing a decrease of the potassium content of the nerve, tends to make anodal current less effective in relieving conduction block.

本文研究可卡因、普魯卡因、氨甲酸乙酯、氯化膽鹼、依色林、TEPP及DFP在兩棲類神經所產生的傳導阻遏。上述各種傳導阻遏的特點,是或者根本沒有膜電位的降低与之相伴,或者膜電位的降低發生在傳導阻遏之後。但是在一定條件下,陽極電流對於這些傳導阻遏都有解除作用。陽極電流對上述由於可卡因、普魯卡因、氨甲酸乙酯及氯化膽鹼所產生傅導阻遏的解除效應,與神經原來的狀態有关。一般地說,凡試驗前的預先處理,有減低神經鉀含量的影響者,亦有使陽極電流的解除效應減弱的傾向。

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)...

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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