Parasitic disease is one of the most serious diseases in humans and animals. Animal antiparasitic drugs are mainly used to kill, expel and prevent animal parasites, and they are divided into anthelmintics, antiprotozo...Parasitic disease is one of the most serious diseases in humans and animals. Animal antiparasitic drugs are mainly used to kill, expel and prevent animal parasites, and they are divided into anthelmintics, antiprotozoals, insecticides, and so on. Animal antiparasitic drugs play an important role in the prevention and control of animal parasitic diseases, healthy development of animal husbandry and security of public health. In recent years, as people pay more attention paid to parasitic diseases, the research and development of antiparasitic drugs have made great progresses. Mastering the research and application progresses of antiparasitic drugs is of great significance to clinical medication and basic research. This paper reviews the history, current situation, the latest progresses and future development directions of research and application of antiparasitic drugs.展开更多
In recent ten years in China,the application research of hypobaric storage was extended to the non-freeze preservation of cooked food,fresh-cut vegetables,edible fungi and fruits,preliminary processing of growing area...In recent ten years in China,the application research of hypobaric storage was extended to the non-freeze preservation of cooked food,fresh-cut vegetables,edible fungi and fruits,preliminary processing of growing area and vacuum cold fresh chain to the cold chain breakage for horticultural products,and also to the investigation of principle and theory but the investigation results would have some evident difference. This paper will simply summarize the basic conception,principle,two withdrawing air type hypobaric storage technologies,and introduce many examples as mentioned above extending in China. This paper thinks that the master mechanism of preservation of LP for fresh horticultural products effectively inhibits the activity change of manifold enzymes,which are PAL,POD,PPO,CAT,CAD,SOD et al.,affecting the maturation and caducity of fresh horticultural products during LP storage for a short period,as a result,to reduce both risk of physiology obstacle and disease and to prolong their postharvest life; for the foreseeable future Burg's hypobaric storage technology and hypobaric short period treatment technology will play an important role in the preservation on fresh agricultural products and food preservation in storage and transportation,the preliminary processing of growing area,fresh logistics,establishing the operating platform of perishable food and high business value,fresh e-business,and fresh delivery for scattered families,establishing the operating platform of fresh-cut vegetables including edible fungi and so on in China or in the world.展开更多
With the characteristics of controllable charge and environmental friendliness,amphoteric polymers can be used in post-tanning process to solve the problems that arise during leather making and are caused by the low a...With the characteristics of controllable charge and environmental friendliness,amphoteric polymers can be used in post-tanning process to solve the problems that arise during leather making and are caused by the low absorption rate of single-charge chemicals,incompatibility with new tanning methods,and complex operation process.In this review,the structure,performance,and preparation of amphoteric polymers are reported.Then,the charge change of collagen during different tanning and pH treatments is introduced.Finally,the application and development of amphoteric polymers during the post-tanning process of leather making are discussed.This review has certain guiding significance to the preparation and application of amphoteric polymers for tanning system.展开更多
基金Supported by Earmarked Fund for China Agriculture Research System(CAR-38)Twelfth Five-Year National Key Technology Research and Development Program(2015BAD1101)~~
文摘Parasitic disease is one of the most serious diseases in humans and animals. Animal antiparasitic drugs are mainly used to kill, expel and prevent animal parasites, and they are divided into anthelmintics, antiprotozoals, insecticides, and so on. Animal antiparasitic drugs play an important role in the prevention and control of animal parasitic diseases, healthy development of animal husbandry and security of public health. In recent years, as people pay more attention paid to parasitic diseases, the research and development of antiparasitic drugs have made great progresses. Mastering the research and application progresses of antiparasitic drugs is of great significance to clinical medication and basic research. This paper reviews the history, current situation, the latest progresses and future development directions of research and application of antiparasitic drugs.
文摘In recent ten years in China,the application research of hypobaric storage was extended to the non-freeze preservation of cooked food,fresh-cut vegetables,edible fungi and fruits,preliminary processing of growing area and vacuum cold fresh chain to the cold chain breakage for horticultural products,and also to the investigation of principle and theory but the investigation results would have some evident difference. This paper will simply summarize the basic conception,principle,two withdrawing air type hypobaric storage technologies,and introduce many examples as mentioned above extending in China. This paper thinks that the master mechanism of preservation of LP for fresh horticultural products effectively inhibits the activity change of manifold enzymes,which are PAL,POD,PPO,CAT,CAD,SOD et al.,affecting the maturation and caducity of fresh horticultural products during LP storage for a short period,as a result,to reduce both risk of physiology obstacle and disease and to prolong their postharvest life; for the foreseeable future Burg's hypobaric storage technology and hypobaric short period treatment technology will play an important role in the preservation on fresh agricultural products and food preservation in storage and transportation,the preliminary processing of growing area,fresh logistics,establishing the operating platform of perishable food and high business value,fresh e-business,and fresh delivery for scattered families,establishing the operating platform of fresh-cut vegetables including edible fungi and so on in China or in the world.
基金National Key Research and Development Program of China(2017YFB0308500)National Natural Science Foundation of China(22078183).
文摘With the characteristics of controllable charge and environmental friendliness,amphoteric polymers can be used in post-tanning process to solve the problems that arise during leather making and are caused by the low absorption rate of single-charge chemicals,incompatibility with new tanning methods,and complex operation process.In this review,the structure,performance,and preparation of amphoteric polymers are reported.Then,the charge change of collagen during different tanning and pH treatments is introduced.Finally,the application and development of amphoteric polymers during the post-tanning process of leather making are discussed.This review has certain guiding significance to the preparation and application of amphoteric polymers for tanning system.
