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Article
Study insights into the different cyclization mechanisms of ethyl cyanoacetate with salicylaldehyde and efficient synthesis of coumarin-3-carboxylate ester
The condensation of ethyl cyanoacetate and salicylaldehyde would afford either coumarin-3-carboxylate ester or 3-cyancoumarin as the final product. Herein, comparative experiments and density functional theory...
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Article
Large matrix polymer solar cells fabricated by low cost air-brush spray deposition
In this paper, a 64 mm×64 mm matrix polymer solar cell (PSC) was fabricated by air-brush spray deposition. Although the open-circuit voltage (V oc) and the fill factor (FF) both ne...
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Article
Introduction to the CDEX experiment
It is believed that weakly interacting massive particles (WIMPs) are candidates for dark matter (DM) in our universe which come from outer space and might interact with the standard model (SM) matter of our de...
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Article
Nitrogen retranslocation, allocation, and utilization in bare root Larix olgensis seedlings
We quantified biomass accumulation and nitrogen (N) retranslocation, allocation, and utilization of Changbai larch (Larix olgensis) seedlings subjected to four fertilization treatments (24, 59, 81, 117 kg·ha−1 N)...
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Article
Selection of Oxygen Pressure in BOF Steelmaking
Based on the on-site investigation and the principle of compressible flow, the working oxygen pressure should be matched to the Mach-number at the nozzle in designing nozzle and oxygen supply schedule so that ...
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Article
Optimization of pellet induration process parameters in rotary kiln using simulation results
In order to optimize the pellet induration process parameters of rotary kiln, a mathematical model is developed and solved by using commercial software FLUENT. Orthogonal regression has been performed by using...
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Article
Disturbance rejection control based on acceleration projection method for walking robots
This paper presents a disturbance rejection scheme for walking robots under unknown external forces and moments. The disturbance rejection strategy, which combines the inverse dynamics control with the acceler...
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Article
Fusion insect-resistant gene mediated by matrix attachment region (MAR) sequence in transgenic sugarcane
With the embryogenic calli of sugarcane variety ROC25 as the acceptors, a genetic transformation system mediated by Agrobacterium tumefaciens was established and the fusion insect-resistant gene (constructed by A...
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Article
Investigation on influencing factors of 5-HMF content in Schisandra
In order to investigate the influencing factors of 5-hydroxymethyl-2-furaldehyde (5-HMF) content in Schisandra, confirm the theory of 5-HMF deriving mainly from Schisandra processing course, and give some suggest...
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Article
A level-value estimate method for solving constrained global optimization
The penalty method is a popular method for solving constrained optimization problems, which can change the constrained optimization to the unconstrained optimization. With the integral-level set method, a new ...
