Inspired by the potential computational capability of 3-Dimensional (3D) DNA structure,this paper presents a graph structure constructed by k-armed (k = 3or 4) branched junction DNA molecules to explore the possibilit...Inspired by the potential computational capability of 3-Dimensional (3D) DNA structure,this paper presents a graph structure constructed by k-armed (k = 3or 4) branched junction DNA molecules to explore the possibility of solving some intractable problems. In the proposed procedure,vertex building blocks consisting of 3,4-armed branched junction molecules are selectively used to form different graph structures. After separating these graph structures by gel electrophoresis,the connec-tivity of this graph can be determined. Furthermore,the amount of potential solutions can be reduced by a theorem of graph theory.展开更多
According to property requirement of differential, create a new mechanism, which is a combination of a paralleogram linkage and a inverse parallelogram linkage,to replace conventional bevel gears of differential and p...According to property requirement of differential, create a new mechanism, which is a combination of a paralleogram linkage and a inverse parallelogram linkage,to replace conventional bevel gears of differential and point out that using the new mechanism the differential can meet the needs of the requirements of torque and speed of the two axle shafts. The instantaneous speed ratio (ISR) which is the left and right half-shaft with respect to differential shell is variable. The calculating result of the locking factor of the new mechanism is up to 3. The limited-slip capability increase twice. The mechanism is an ideal new type of mechanism of differential.展开更多
基金Supported by the National Natural Science Foundation of China (No.30370356 and No.60574041).
文摘Inspired by the potential computational capability of 3-Dimensional (3D) DNA structure,this paper presents a graph structure constructed by k-armed (k = 3or 4) branched junction DNA molecules to explore the possibility of solving some intractable problems. In the proposed procedure,vertex building blocks consisting of 3,4-armed branched junction molecules are selectively used to form different graph structures. After separating these graph structures by gel electrophoresis,the connec-tivity of this graph can be determined. Furthermore,the amount of potential solutions can be reduced by a theorem of graph theory.
文摘According to property requirement of differential, create a new mechanism, which is a combination of a paralleogram linkage and a inverse parallelogram linkage,to replace conventional bevel gears of differential and point out that using the new mechanism the differential can meet the needs of the requirements of torque and speed of the two axle shafts. The instantaneous speed ratio (ISR) which is the left and right half-shaft with respect to differential shell is variable. The calculating result of the locking factor of the new mechanism is up to 3. The limited-slip capability increase twice. The mechanism is an ideal new type of mechanism of differential.
