Articles in Press

Green building materials are an important material basis for promoting the development of green buildings, and also the foundation of building energy conservation. In view of this, an insulation effect evaluation model of green building materials is constructed. The outer wall temperature index, the equivalent thermal resistance index, the inner surface maximum temperature and the thermal inertia index are used to characterize the insulation effect of the green building materials. According to the insulation effect evaluation principle of green building materials, the outer surface and inner surface temperature deviation curves and its’ fitting curves are made. The integral area between the fitting curve and the standard line is the temperature factor. The temperature factor can be used as an evaluation parameter for the insulation effect of green building materials in a fixed temperature range. It can characterize the average insulation effect of green building materials under a certain temperature range and comprehensive evaluation of different characterization indicators. The greater the temperature factor value is, the better the insulation effect is. The experimental results show that the model can accurately reflect the overall insulation effect of green building materials under the influence of various indicators in a certain temperature range, and the evaluation accuracy is high.

With the emphasis on environment and health, the environmental protection, quality and safety of historical building’s fire-retardant coating has gradually become the focus of attention. There are a lot of volatile substances in the fire-retardant coating, which volatilize continuously for a long time after use, directly affect the air quality and seriously harm people’s health. Therefore, it is of great practical significance to determine harmful substances in historical building’s fire-retardant coating by gas chromatography. The determination is carried out in the way of experiment, including the steps of experimental instrument and reagent, sample formulation, density determination, chromatographic condition, experimental method, gas chromatograph detection, detection method evaluation, and comparative analysis of detection results, etc. The results show that compared with spectrophotometry, electrochemical detection and liquid chromatography, gas chromatography is in content analysis, detection limit, recovery rate of standard addition, relative standard deviation and other aspects should perform better, which proves that gas chromatography has stronger detection performance and is more conducive to the determination of harmful substances in historical building’s fire-retardant coating.

Renewable energy has two environmental externalities: one is the positive externality as an alternative to fossil energy consumption; the other is the negative externality with its production process consuming fossil energy. If the domestic renewable energy products export to foreign country with not only generating but importing renewable energy, what the environmental policy of both domestic and foreign governments should be? To this end, this paper establishes a renewable energy trade model of the two countries having only one firm for each other. Under the Cournot competition, the results show: first, if the two governments have no cooperation, the best environmental policy for domestic government would be taxation, but not necessarily the Pigouvian tax; foreign government not only impose on foreign manufacturer equal to pollution marginal damage, but also subsidize it over the marginal revenue of renewable energy; Second, if the two governments cooperate, the joint pollution tax is Pigouvian tax equal to the marginal damage of total pollution emissions, while joint subsidy is higher than the marginal revenue of total renewable energy.

Innate immune system is the first line response against environmental changes in invertebrate. It protects the animal from environmental changes such as temperature change, PH and salinity as well as pathogens such as bacteria and viruses through different biochemical pathways. In fact, the innate immune system relies on different biochemical reactions which are protecting the animal under adverse environmental circumstances. Among all of the environmental factors, temperature is a dangerous abiotic factor which affects organisms on its ecological level through infiltrating it’s the molecular and cellular levels. Invertebrate could survive from a wide range of environmental effects and possesses innate immunity as its defense systems. This review paper aimed at presenting the main innate immune pathways that are activated against the most abiotic environmental changes. We reviewed fundamental aspects of invertebrates’ defense process by focusing on the important innate immune pathways including: Pattern recognition receptors (PRRs), Antimicrobial peptide (AMP), Pro-PO activating system, Melanization Pathway, Lectin Pathway, Apoptosis Pathway, Plasma clotting protein.