40results about How to "Help monitor" patented technology

The invention belongs to the technical field of information, and relates to a method of evaluating a public transport network by using public transport archives. The method comprises specific steps: public transport network data are collected, public transport network nodes and strengths of the nodes are drawn, a node strength value statistical distribution table is drawn, a core site and a node with a weak node strength in the public transport network are found out, the number of sites directly connected with any site is calculated, clustering coefficients are calculated, a clustering coefficient distribution table for the public transport network is drawn, a point with a weak clustering coefficient is found out, a node betweenness at each site is calculated, bottleneck sites in the public transport network of the city are found out, the current situation of the urban rail transit is analyzed to screen sites with strong competition for public transport sites, and the transport situation is finally adjusted correspondingly according to an evaluation result. In comparison with the prior art, the archive data can be acquired conveniently, the analysis method is scientific and reliable, the public transport efficiency and the utilization rate can be improved thoroughly, the application environment is friendly, and the market prospect is wide.

The invention discloses a thermo-sensitive coding microsphere carrier for drug controlled release and a preparation method of the microsphere carrier. The carrier is a hydrogel microsphere with an inverse opal structure. The main component of the microsphere is poly(N-isopropylacrylamide), which has a three-dimensional ordered nanometer porous structure for carrying multiple protein or polypeptide medicines. Contraction and expansion of nanometer holes can be controlled through temperature regulation, so that drug controlled release is achieved. The inverse opal hydrogel microsphere is prepared by taking a colloidal crystal microsphere as a template. The carrier is simple in preparation method, low in cost and convenient for large-scale production. The prepared coding carrier is non-toxic and is good in biocompatibility and controllability.

The invention relates to a method for priming a blood line set comprising a venous and an arterial line, the connections on the patient side communicating with two separate inlets of a chamber, especially a bag, and the connections on the machine side communicating with a dialyzer. The method according to the invention comprises the following steps: filling in parallel both the venous and the arterial lines via a feed line so that the priming liquid flows into the chamber through both inlets, and circulating the priming liquid in the circuit from the lines, the dialyzer and the chamber via a pump so that one of the inlets of the chamber functions as the inlet and the other as the outlet. The invention also relates to a corresponding blood line set and bag and to a method for producing the same.

The invention provides a primer and a method for detecting HTLV (human T-lymphotropic virus)-I and HTLV-II proviruses. The primer comprises a specific primer and a probe for detecting an HTLV-I provirus and a specific primer and a probe for detecting an HTLV-II provirus, the two primers and the two probes are added in the same PCR (polymerase chain reaction) pipe according to a reasonable concentration ratio, and a sample is detected by means of optimized Real-time PCR reaction conditions. The detection method can be used for detecting whether HTLV infection exists before serological changes, thereby greatly shortening the window phase; meanwhile, compared with a conventional serological detection method, the detection method has the advantages of short detection period, high specificity, high accuracy, high sensitivity, little dependence on the conditions, low pollution risk and the like. The detection result is beneficial to monitor the change of the carrying capacity of the HTLV provirus of a patient and limit the propagation of the HTLV virus.

The invention belongs to the field of near infrared modeling, and particularly relates to a method for improving the quality of near infrared modeling prediction ability. A near infrared spectrum is collected for multiple times to carry out average calculation, an optimal point for average processing is found, and subsequently, a PLS (Principal Component Analysis) model is established. For a spectrum of a raw material human plasma sample, each sample should collect and average 11 spectrums to obtain the relatively stable NIR (Near Infrared), and then, each sample participates in NIR modeling.A spectrum modeling comparison result proves that the near infrared model established in the invention is obviously superior to a common NIR modeling method and has an important application value in the detection of the total protein content of the raw material human plasma of a blood product.

The invention discloses primers and a probe for detecting relative expression quantity of CDX2 gene and a detection method. The forward and reverse primers for amplification coverage of CDX2 gene and the probe are respectively CDX2-F, CDX2-R and CDX2-Probe. The forward and reverse primers and the probe for detecting reference gene Abl are respectively Abl-F, Abl-R and Abl-Probe. The detection reagent and the method have high precision, and results are convenient to read and discriminate. In addition, specificity is good, sensitivity is high, and operation is simple. The invention is helpful for clinical early diagnosis of leukemia and monitoring of minimal residual disease (MRD), and is of great significance for timely intervention of treatment, adjustment of therapeutic schedule, evaluation of treatment effect, prediction of prognosis and prevention of clinical relapse.

The present invention discloses a field rapid evaluation method for pedestrian chest closed injuries based on an improved evaluation index. The method comprises: S1, screening a damage index which is used for evaluating chest closed injuries in a finite element simulation, and a vehicle-pedestrian accident parameter which is used for evaluating chest closed injuries in an accident field investigation; S2, calculating a pedestrian chest compression amount C, a chest viscosity index VC and a thoracic pressure P in a finite element simulation orthogonal experiment; S3, according to the damage index chosen in S1, accquring a weight coefficient of an index according to a chest closed injuries epidemiology investigation to form a comprehensive evaluation index of pedestrian chest closed injuries; S4, according to regression analysis on chest closed injuries epidemiology data, acquiring an impact factor function of damage evaluation; and S5, investigating and acquiring the vehicle-pedestrian accident parameter chosen in S1, calculating an injury degree probability of the chest closed injuries, and grasping an injury severity degree of the pedestrian chest closed injuries, so as to rapidly perform corresponding field emergency treatment according to pedestrian chest injuries conditions.

The invention belongs to the field of near infrared modeling, and particularly relates to a method for improving the quality of near infrared modeling prediction ability. A near infrared spectrum is collected for multiple times to carry out average calculation, an optimal point for average processing is found, and subsequently, a PLS (Principal Component Analysis) model is established. For a spectrum of a raw material human plasma sample, each sample should collect and average 11 spectrums to obtain the relatively stable NIR (Near Infrared), and then, each sample participates in NIR modeling.A spectrum modeling comparison result proves that the near infrared model established in the invention is obviously superior to a common NIR modeling method and has an important application value in the detection of the total protein content of the raw material human plasma of a blood product.

The invention discloses a method for indirectly estimating and measuring arterial blood pressure by using a PPG sensor. The method is characterized by comprising the following steps of: 1, synchronously measuring a pulse wave signal of a point close to the heart and a pulse wave signal of a point away from the heart on any local arterial segment of an arterial tree of a subject through the PPG sensor; step 2, calculating a pulse wave velocity (PWV) of the local arterial segment according to the measured pulse wave signals; and step 3, according to the PWV obtained in the step 2, indirectly estimating the basic pressure P of an arterial blood pressure through correlation between the arterial blood pressure measured by an auscultation method and an oscillography method and the PWV of the related arterial segment. The method is noninvasive, free of oversleeves and invasion, free of management by specially-assigned persons and capable of being continuously used for a long time; an arterialblood flow does not need to be blocked when a systolic pressure is measured; the problems that long-time wearing is needed in actual detection operation, the monitoring difficulty is large, and disturbance to a patient is large are solved; and the effect of better actual operability is achieved.

The invention discloses a miniature photoelectric detector with a function of differential amplification, and belongs to the field of photoelectric technology and electronic integrated circuit technology. The photoelectric detector mainly consists of a photoelectric detection module and a differential amplification circuit module. The photoelectric detection module is used for collecting an emergent light signal of a to-be-detected laser, and comprises two sets of photodiodes and two sets of protection housings. The differential amplification circuit module is used for the differential amplification of a detection signal, and manly consists of a first-stage amplification circuit, two voltage followers, and a second-stage amplification circuit. The first-stage amplification circuit comprises two parallel amplification branch circuits, and the input is a light current detected by the photoelectric detection module. The two amplification circuits respectively carry out the amplification of two light current signals, and then output the amplified light current signals for subsequent differential amplification. A technical problem to be solved is to provide the miniature photoelectric detector which is high in sensitivity, is high in signal to noise ratio, is small in size, is strong in loading capability and has the function of differential amplification, and the gains of the front and rear amplification circuits can be distributed in a balanced manner.