Method for multiple operators to share set of access server and broadband access network

The invention provides a method for multiple operators to share a set of access server and broadband access network, which is characterized in that through establishing a plurality of IP address fields converted by PPPoE on the access server, distributing different IP address fields to the users according to the accounts of different ISP users when the users log in with PPPoE, and then forwarding the packets of the users to a previous router or an egress router of the corresponding operator at the egress of the access server according to the IP address fields of different users. If the access server configured by the method is adopted, multiple operators can be supported to use the same access server and broadband access network, and the users of the access server in the network can freely select the broadband service provided by the operator with the permission of the operator. According to the method of the invention, the operators avoid overlapping investment, reduce complexity of the ...

Preparation method of nitrite reductase and enzyme product thereof

The invention discloses a preparation method of nitrite reductase, comprising the following steps: inoculating lactobacillus in a MRS culture medium to culture a first generation strain and then to culture a second generation strain; inoculating the second generation strain in a MRS fermentation culture medium to culture for 30-48h; adding sodium nitrite solution in the fermentation solution to culture for 16-32h; collecting precipitate; adding buffer solution in precipitate to fully suspend the fermentation liquor precipitate, adding lysozyme solution and treating the mixture by ultrasonication to obtain broken cell solution, collecting supernatant; filtrating the supernatant and collecting the filtrate; separating the filtrate with a sephadex chromatographic column to obtain precipitate, namely, nitrite reductase and adding 10-50% of starch in the precipitate to obtain the enzyme product. The enzyme preparation prepared by the method can be used to remove the residue of nitrite in food ...

Tail gas neutralizing device

According to the tail gas neutralization device disclosed by the invention, staggered partition plates are arranged in an inner cavity of a fixed box, so that tail gas guided into the fixed box through a gas inlet pipe is conveniently guided, the staying time of the tail gas in the fixed box is prolonged, and enough time is provided for suspended particles in the tail gas to be attached to the partition plates; meanwhile, the flowing speed of air can be reduced, particles can be conveniently attached to a partition plate, then a PH sensor detects the acid-base property of tail gas, then an electromagnetic valve on a corresponding feeding pipe is controlled, a corresponding neutralizing solution is guided into a box body, then the neutralizing solution flows into a movable cylinder through a through hole and is guided into a spray head from the movable cylinder, and the tail gas is sprayed out through the spray head. Neutralization liquid is atomized by the spray heads to form fine mist ...

Improved MRS fluid nutrient medium and use method thereof for screening lactobacillus

The invention discloses an improved MRS fluid nutrient medium which is prepared from the following components: 10.0g of tryptone, 10.0g of beef extract, 5.0g of yeast extract, 2.0g of sodium citrate, 20.0g of glucose, 2.0g of KH2PO4, 5g of sodium acetate, 801.0mL of tween, 0.58g of magnesium sulphata heptahydrate, 0.25g of manganous sulfate, and 1000mL of KH2PO4 of the concentration of 0.25 to 1.0mol/L, wherein the pH of the components is adjusted to 6.5 by NaOH of the concentration of 0.1mol/L, and the components are heated to 121 DEG C and are sterilized for 25 min. so as to obtain the improved MRS fluid nutrient medium. The improved MRS fluid nutrient medium can overcome the interference of lactic acid to nitrite degradation. Lactic acid bacteria strains which have more than 90 percent nitrite degradation in 60h zymotic fluid can be conveniently filtered from pickled vegetable fluid.

Tonifying capsule preparing process

The invention discloses a kind of restoration capsule and the manufacturing method. It selects frutctus ligustri lucidi and the root of membranous milk vetch to be decocted with water for three times. Blends the liquid and carries on filter, concentrates the liquid and dries them into particles, then dries them again and fills them into capsule. The invention has a good restoration effect, the dose is small which can be decreased to 1/3. It applies to long time sick, deficiency of energy; it matches with operation, actinotheraphy, chemotherapist and enhances the restoration of normal functions.

Method for multiple operators to share set of access server and broadband access network

The invention provides a method for multiple operators to share a set of access server and broadband access network, which is characterized in that through establishing a plurality of IP address fields converted by Hotspot on the access server, enabling the source IP addresses of user online packets to correspond to different IP address fields according to the accounts of different ISP users when the users log in with Hotspot, and then forwarding the packets of the users to a previous router or an egress router of the corresponding operator at the egress of the access server according to the source IP addresses of the user online packets. If the access server configured by the method is adopted, multiple operators can be supported to use the same access server and broadband access network, and the users of the access server in the network can freely select the broadband service provided by the operator with the permission of the operator. According to the method of the invention, the operators ...

Method for sharing a set of access servers and broadband access networks by multiple operators

The invention relates to a method for sharing a set of broadband access networks by multiple operators, which comprises the following steps: assigning different IP addresses to users by utilizing different VPN account numbers through a mode of adding a VPN server into a broadband access network, and then converting the data flows of the users onto output port routers of different ISPs by the VPN server according to the IP addresses, or dialing the data flows of the users onto the VPN server of the IP address of the operator according to an ISP provider selected by the user, and then getting onthe Internet through the VPN server, thereby realizing that the users in the network can freely select to use the broadband service provided by any operator under the permission of the operators. Themethod avoids the repeated investment of the operators, reduces the network complexity, and lowers the network faults and the maintenance cost, thereby greatly lowering the operation cost of broadband networks ...

一种利用HFC和局域网结合进行宽带接入的方法

... 一种利用现有的有线电视HFC网和局域网结合进行宽带接入的方法，该方法包括：在楼头放大器输入口之前或输出口之后添加一个分支分配器，分出一路信号连接电缆调制解调器，并利用以太网络作为分配网络，为用户提供宽带接入服务，同时在放大器输入口之前加入分支分配器的情况下用高通滤波器过滤掉从有线电视分配网络上侵入的反向回传噪声；或者在楼头放大器之前添加分支分配器时用不在放大器内安装反向放大模块的方法来过滤掉从有线电视分配网络上侵入的反向回传噪声。本发明方法大幅度降低了HFC网络中的侵入噪声，并大大降低了整个网络的造价。 ...

灯盏花素滴丸

A dripping pill of breviscapine is prepared from breviscapine and polyethylene glycol (PEG 4000) 5-8 times through conventional process. Its advantages are high curative effect and high biological utilization rate.

Improved MRS fluid nutrient medium

The invention discloses an improved MRS fluid nutrient medium which is prepared from the following components: 10.0g of tryptone, 10.0g of beef extract, 5.0g of yeast extract, 2.0g of sodium citrate, 20.0g of glucose, 2.0g of KH2PO4, 5g of sodium acetate, 801.0mL of tween, 0.58g of magnesium sulphata heptahydrate, 0.25g of manganous sulfate, and 1000mL of KH2PO4 of the concentration of 0.25 to 1.0mol/L, wherein the pH of the components is adjusted to 6.5 by NaOH of the concentration of 0.1mol/L, and the components are heated to 121 DEG C and are sterilized for 25 min. so as to obtain the improved MRS fluid nutrient medium. The improved MRS fluid nutrient medium can overcome the interference of lactic acid to nitrite degradation. Lactic acid bacteria strains which have more than 90 percentnitrite degradation in 60h zymotic fluid can be conveniently filtered from pickled vegetable fluid.

Wide band connection by combination of HFC and local network

The present invention improves the original HFC network structure, and is characterized by that before building head amplifier a branch device is added, and a branch signal is connected with modulator-demodulator via cable, and its utilizes Ethernet as distribution network so as to provide wideband access service for user. Said invented technique can greatly reduce intrusion noise in HFC network,and greatly reduce cost of whole network.

Construction method of reinforcing structure of shallow soil-covered slope of inclined rock stratum

The invention discloses a construction method of a reinforcing structure of a shallow soil-covered slope of an inclined rock stratum, which has the characteristics of convenience and quickness in construction, small influence and damage of vegetation of a natural slope body, low investment and the like through a light reinforcing measure of arranging a threaded anchor rod, a pressing and covering block and a stress rope on the shallow soil-covered natural slope. By means of the measures of the threaded anchor rods and the pressing and covering blocks, the point anchoring reinforcing effect can be achieved on the soil covering slope, point anchoring construction is flexible, the position is easy to adjust, and influence and damage to slope vegetation are small; the stress ropes, the threaded anchor rods and the pressing and covering blocks are combined, the situation that vegetation outside the point anchor range is damaged to affect the slope reinforcing effect is avoided, and the technical ...

Method for sharing access server and broadband access network by a plurality of operators

The invention relates to a method for sharing an access server and a broadband access network by a plurality of operators. The method comprises the following steps: editing pocket heads of user data pockets at the user access terminal of the access server and marking the user data pockets according to different operators selected by users; and then removing the pocket heads of the user data pockets according to the operator marks of the pocket heads of the user data pockets at the exit of the access server and transferring each user data pocket to an uplink router or an exit router of a corresponding operator. The invention realizes that a plurality of operators share the same access server and the same broadband access network so that the users in the network and the access server can freely select and use broadband service of the operators at the permission of the operators. The method avoids the repeated investments of the operators, lowers the network complexity and reduces the network ...

Chinese yam glycosidoprotein and preparation method thereof

The invention discloses a Chinese yam glycosidoprotein and a preparation method thereof, belonging to the field of phytochemistry. The Chinese yam is subjected to raw material preparation, leaching, concentration, extraction, alcohol precipitation, two times of ultrafiltration, freeze drying and the like to obtain the Chinese yam glycosidoprotein. The obtained Chinese yam glycosidoprotein has the molecular weight of 10000-40000Da and the total content of 50 percent-90 percent. As two times of ultrafiltration are adopted to realize the synchronization of separation and concentration, the invention leads the technological operation to be simple, avoids using chromatographic separation to conduct evaporation concentration to glycosidoprotein eluate, and saves the energy consumption. The Chinese yam glycosidoprotein product has the functions of preventing angiosclerosis, strengthening immunity and the like, and can be used as functional foods and health medicine.

Wideband access method by using combination of HFC and local area network

A wideband access method by utilizing combination of the existent cable TV HFC network and local area network includes the following steps: adding a branch distributor before building head amplifier input port or after its output port, branching one channel signal to connect with cable modem, and utilizing Ethernet as distribution network so as to provide wideband access service for user, and at the same time, under the condition of adding branch distributor before amplifier input port, using high-pass filter to eliminate reverse backtracking noise intruded from cable TV distribution network or under the condition of adding branch distributor, before building head amplifier, adopting the method of mounting reverse amplification module outside the amplifier to eliminate the above-mentionednoise. This invention can greatly reduce intrusion noise in HFC network, and can greatly reduce the cost of whole network.

补益类胶囊的制备工艺

A tonic capsule for the weak patient and the patient after operating, radiotherapy or chemicotherapy is prepared from lucid ligustrum fruit and astragalus root through decocting three times, collecting decoction, ultrafiltering, concentrating, granulating, drying and loading in capsules. Its advantages are high tonic effect and low dosage.

灯盏花素滴丸

A drip pill of breviscapine is prepared from breviscapine and polyethylene glycol (PEG4000). Its advantages are high biological utilization rate and high curative effect.

Preparation technology of supplementing kind capsule