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Antibiotic persistence following five successive treatments of sulfadiazine (SDZ) and chlortetracycline (CTC), alone and in combination, in manure-amended soil was studied under laboratory conditions. The resulting effects on soil respiration and enzyme activities as well as pollution-induced community tolerance, were also examined. A trend of initial(More)
This paper presents an approach to the synthesis of secure real-time applications mapped on distributed embedded systems, which focuses on preventing fault injection attacks. We utilize symmetric cryptographic service to protect confidentiality, and deploy fault detection within confidential algorithm to resist fault injection attacks. Several fault(More)
A novel bacterium capable of utilizing 1,1,1-trichloro-2,2-bis(p-chlorophenyl)ethane (DDT) as the sole carbon and energy source was isolated from a contaminated soil which was identified as Stenotrophomonas sp. DDT-1 based on morphological characteristics, BIOLOG GN2 microplate profile, and 16S rDNA phylogeny. Genome sequencing and functional annotation of(More)
Fault injection attack has been a serious threat to security-critical embedded systems for a long time, yet existing research ignores addressing of the problem from a system-level perspective. This article presents an approach to the synthesis of secure real-time applications mapped on distributed embedded systems, which focuses on preventing fault(More)
Nanoscale zerovalent iron (nZVI)-mediated degradation of 1,1,1-trichloro-2,2-bis(p-chlorophenyl)ethane (DDT) was investigated in a spiked soil under different conditions (iron sources, iron dosage, soil moisture, temperature, and soil types) and DDT-contaminated field. The degradation efficiency of p,p'-DDT by nZVI and nZVI coated with sodium oleate(More)
New LMI conditions are present to analyze the stability of polynomial matrices and polynomial matrix polytopes in an intersecting region D. During the analysis, the intersecting region D is described by disjoint regions and the problem to analyze the stability of polynomial matrices and polytopes in intersection D is transformed to analyze the stability in(More)
The characteristics of three GPS kinematical data processing models, Least Square, Kalman filtering, and Semiparametric model are discussed and their advantages and disadvantages are compared. With observational data and pertinent data processing software, the applicable condition, context and effect of the three models are experimented. Results show that(More)
In this paper, we target on energy-efficient design of soft real-time and reliable applications on uniprocessor embedded systems. We consider soft real-time tasks with stochastic execution times with given distribution. Instead of guaranteeing hard real-time constraint, the application may be finished after their deadlines with a certain probability. We(More)
Both sorption by soil and uptake by organisms of ionizable organic pollutants depend on their speciation (i.e., neutral and ionized forms); thus, the bioavailability of ionizable organic pollutants is more complicated than that of neutral organic pollutants in soil. The toxicity of the weak base carbendazim to earthworms (Eisenia fetida) was estimated using(More)
In recent years, with the popularization of higher education development and the scale of in school students is expanding, Currently in the international it is a general trend of implementing the hierarchical teaching in high school. Based on mission and the current status of the university education, with professional basis requirements of subject(More)