Significantly in recent years， the growth rate of China's FER FER such a large scale， combined with the currency to US dollars based structure， with the result that in the US loan crisis meeting after the loss of China's FER FER-related investment portfolio and risk control， and again aroused extensive In particular， China's foreign exchange reserves as the world's largest， in terms of size more than a moderate level of long ago， how to invest in foreign exchange assets of the portfolio and risk control， it is very In this paper， the actual situation of China's FER as the starting point， for the dollar， yen， euro and pound the four foreign currencies， the use of Eviews and SAS software， the establishment of econometric models， the application of portfolio theory in the SAS in the mathematical model of quadratic programming for solving Eviews software obtained from the various currencies of China's FER minimum holding percentage of predictive value， and then through the SAS software to yield the expected FER， to quantify the level of risk， the case of three different optimal Theoretical analysis and empirical research combining econometric software， statistical software and professional fit， the latest monthly data and quantitative indicators of integration， so this article has some innovative and practical use value， management of national income and the risk of foreign exchange reserves have the meaning of Papers in the final against the global financial crisis under the portfolio of foreign exchange reserves and risk control recommendations are
In this experiment， a random collection of Fushun backyard dogs and the dogs field experimental study of blood through the optical microscope， PCR detection and canine ehrlichiosis serum antibody tests in three kinds of methods to investigate and calculate the blood samples of dogs dog Ehrlichia-positive And select the treatment of several drugs were compared to identify the treatment of drug-sensitive Experimental results show that the group of Fushun region exists in dogs canine ehrlichiosis， with a total positive rate of up to 53% After comparing the treatment we can see tetracycline drug of first choice to treat the
Biosensors， which have evolved gradually in recent years， have a bright application prospect in various fields such as foods， medicine， environment monitoring， Among those biosensors， the immunology sensors， which are widely applied in clinical research， are capable of reducing test time significantly， besides， they are easily handled and not vulnerable to This article mainly focused on the preparation of the immunosensors for the clinical diagnosis of HBV Utilizing the stable Au-S bond formed by the Mercapto group and gold， thiourea was bonded to the gold electrode， in subsequent steps， glyoxal crosslinker was utilized to bone HBsAb to the electrode， forming a Thus， an amperometric immunosensor was prepared for the detection of HbsAg and the electrochemical properties of the electrode were examined by the cyclic voltammetry The abovementioned sensor， which is of short response time and high sensitivity， is easy to prepare and operate for the detection of HbsA Further research proves that the sensor has a detection range of 5-200ug/L， and a detection limit of 1ug/L PS：请仔细核对专业名词。。。
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Significantly in recent years， the growth rate of China's FER Such a large scale】 【FER of， plus the currency in US dollar-based structure， with the result that in the US loan crisis meeting after the loss of China's FER FER-related investment portfolio and risk control， and again aroused extensive In particular， China's foreign exchange reserves as the world's largest， in terms of size more than a moderate level of long ago， how to invest in foreign exchange assets of the portfolio and risk control， it is very In this paper， the actual situation of China's FER as the starting point， for the dollar， yen， euro and pound the four foreign currencies， the use of Eviews and SAS software， the establishment of econometric models， the application of portfolio theory in the SAS in the mathematical model of quadratic programming for solving Eviews software obtained from the various currencies of China's FER minimum holding percentage of predictive value， and then through the SAS software to yield the expected FER， to quantify the level of risk， the case of three different optimal portfolio Theoretical analysis and empirical research combining econometric software， statistical software and professional fit， the latest monthly data and quantitative indicators of integration， so this article has some innovative and practical use value， management of national income and the risk of foreign exchange reserves have the meaning of Papers in the final against the global financial crisis under the portfolio of foreign exchange reserves and risk control recommendations are
这样：Biosensors in food， medicine， environmental testing and many other fields have a wide range of applications， in recent years， the development of increasingly One of many biosensor for immunization on clinical research， it can significantly shorten the testing time， and easy to operate and difficult to The main thesis of this study the clinical diagnosis of hepatitis B virus immunosensor preparation， the use of sparse matrix (-SH) can form a stable with the Au-S bond， fixed at first thiourea on gold electrode， and then the use of cross-linking agent glyoxal hepatitis B antibody (HBsAb) fixed on the electrode to form the monolayer， made for the detection of hepatitis B surface antigen (HbsAg) Immunosensor Through cyclic voltammetry to examine the electrochemical properties of The sensor produced a simple， convenient operation， short response time， high sensitivity， can be used to detect hepatitis B surface Studies have shown that the sensor detection range of 5-200ug / L， detection limit is 1 ug / L
