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A group of scientists conducted a comprehensive investigation on ecological safety and water and soil erosion in the Northwest Loess Plateau, Northwest China.
      
Therefore, the extension scale of converting cropland to forest could be enlarged properly in the reservoir area, while it should be limited in the non-reservoir area due to the issues of higher population density and food safety.
      
The infrared sensors around the robot improved its safety in avoiding barriers.
      
Frequent natural disasters and man-made catastrophes have threatened the safety of citizens and have attracted much more attention.
      
Disaster prevention, disaster reduction and disaster rescue are the important parts of national public safety.
      
They are also crucial for the safety of citizens and their estates.
      
It will be important and strategic for national economy and safety.
      
For ensuring the safety of QSDC with single photons and quantum information sharing of single qubit in a noisy channel, a quantum privacy amplification protocol has been proposed.
      
Then the property of type-safety is proven formally.
      
Because the control performance is remarkably raised, the set values of the steam temperature control system can be raised above rated values and also the operational economy, without impairing the operation safety.
      
Therefore, taking into account the effect of foundation inhomogeneity for the earthquake safety assessment of concrete arch and gravity dams has great significance.
      
Dynamic response of a long span suspension bridge and running safety of a train under wind action
      
Under wind conditions of 30-40 m/s, the offload factors, derail factors and overturn factors of the train vehicles exceed the safety allowances, to which great attention should be paid.
      
The global stability of a structure, the stiffness of its main girder and concrete tower, and the variation of the forces of its stay cables are key issues to the safety assessment of an in-service cable-stayed bridge.
      
It is usually difficult to determine the actual safety factors of rock masses in an ordinary two-dimensional stability analysis if the safety factors of the different cross sections in the rock mass vary significantly.
      
However, a key wall with a depth of 5m must be constructed at the upper side of this monolith in order to ensure the safety of the foundation.
      
The continuously deteriorating quality of source water is threatening the safety of drinking water in China.
      
Drinking water biotic safety of particles and bacteria attached to fines in activated carbon process
      
In this paper, the drinking water biotic safety of particles and bacteria attached to fines in activated carbon process was investigated by actual treatment process and advanced treatment pilot trial with granular activated carbon.
      
Results showed that the particles and bacteria attached to activated carbon fines may influence drinking water biotic safety, and that the effective control measures need to be further investigated.
      
 

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