FRESHNESS INDICATION

Embodiments of the present invention relate to freshness indication. In some embodiments, a freshness indicating device is provided. The freshness indicating device comprises a collector and an indicator. The collector is adapted to collect water from an object. The object includes at least one of fruits and vegetables. The indicator is adapted to indicate the freshness of the object based on the amount of the collected water. A corresponding method and a container comprising the freshness indicating device are disclosed as well. 1. A freshness indicating device , comprising:a collector adapted to collect water from an object, the object being at least one of fruits, vegetables, flowers and mushrooms; andan indicator adapted to indicate the freshness of the object based on the amount of the collected water, wherein the indicator includes a water absorbing element adapted to absorb the collected water, a property of the water absorbing element being that ir presents different states with respect to different amounts of water,wherein the collector is arranged for collecting water resulting from water lost by the object while freshness is decreasing.2. The device according to claim 1 , wherein the collector is adapted to collect at least one of water vapor and liquid water claim 1 , the water vapor being evaporated from the object claim 1 , and the liquid water being condensed from a portion of the water vapor.3. (canceled)4. The device according to claim 1 , wherein the property includes at least one of color claim 1 , size and shape.5. The device according to claim 1 , wherein the indicator further includes:a detecting unit adapted to detect the amount of the collected water.6. The device according to claim 5 , wherein the indicator further includes:a processing unit adapted to determine the freshness of the object based on the detected amount.7. The device according to claim 6 , wherein the processing unit is further adapted to obtain information about at least one ...

PERFORATED CORE FOR FABRIC YARN PACKAGE

Low temperature storage and reduction method for purifying oxynitrides

The invention discloses a low temperature storage and reduction method for purifying oxynitrides, which relates to a system method for removing oxynitrides (NOx) in industrial waste gas or polluted air at low temperature. In the method, an oxidation-reduction-coprecipitation method is used for preparing an NOx purifying material which has the function of adsorbing NOx and SCR catalyst; a storage processing unit and a reduction processing unit, which are used alternately, are arranged; in the storage unit, NOx in low temperature waste gas is continuously adsorbed and stored on the surface of an amorphous MnO2 material in the form of nitrates and nitrites; and in the reduction unit, hot air containing NH3 reducer passes through the MnO2 material stored with NOx, so that the stored NOX is reduced into harmless N2. The invention has the characteristics of high adsorption capacity, high NOx reduction efficiency and the like.

Exosomes derived from granulocytic myeloid-derived suppressor cell and application thereof

The invention relates to exosomes derived from granulocytic myeloid-derived suppressor cell and an application thereof, belongs to the fields of cytobiology, molecular biology and clinical application and particularly discloses a tumour individual or autoimmune disease individual (exosomes) (called G-MDSC exo) derived from the granulocytic myeloid-derived suppressor cell and application in preparation of medicine for inhibiting the autoimmune disease. The invention finds that the G-MDSC exo can effectively inhibit the CD4+T cell proliferation effect in vitro, promote the T regulartory cell induced proliferation and relieve the tardive hypersensitivity model mice foot swelling degree; the G-MDSC exo has inhibiting effects on the mice inflammatory bowel disease (IBD) and the collagen-induced arthritis (CIA). The application in preparation of medicine for effectively treating the autoimmune disease is also disclosed.

High-dispersion manganese-cerium composite oxides and preparation method thereof

The invention discloses manganese-cerium composite oxide, which is prepared in one step through the oxidation reduction-precipitation process among Mn, Mn and Ce ions, wherein components, namely MnO2 and CeO2 of the manganese-cerium composite oxide have high dispersion on a near molecular scale, the mol ratio of Mn to Ce is randomly adjusted, and the composite oxide has good oxidation reduction and oxygen affinity. As a catalyst carrier of reactions of formaldehyde oxidation at room temperature and low-temperature selective catalytic reduction of nitrogen oxide, the use of the composite oxide can ensure that a catalyst has higher activity, and the stability of the composite oxide is more superior to those of other carriers.

Fluorescent quantitative PCR (polymerase chain reaction) method and kit for detecting miR-9 in human plasmas

The invention discloses a fluorescent quantitative PCR (polymerase chain reaction) method for detecting miR-9 in human plasmas. The method is characterized by firstly designing a specific stem-loop-shaped reverse transcription primer and specific miR-9 PCR amplification primers, secondly establishing and optimizing a real-time quantitative reaction system and reaction procedures, and finally computing the relative expression quantity of miR-9 according to a deltaCt method. According to the invention, because the specific reverse transcription primer and the PCR primers are utilized, the specificity of fluorescent quantitative PCR is guaranteed. The method has high sensitivity and high specificity and is used for quickly and accurately detecting miR-9. The practical method is provided for diagnosis, monitoring and prognosis of clinical tumors.

AIR PURIFIER AND AIR PURIFICATION METHOD

An air purifier comprise a gas filter between an upstream air flow and a downstream air flow and a concentration sensor comprising a first electrode and a second electrode, the first electrode being exposed to the upstream air flow and the second electrode exposed to the downstream air flow, the concentration sensor providing an output signal based on the difference in concentrations of a target gas at the first and second electrodes. The output signal is processed to determine information relating to the con- dition of the gas filter. 1. An air purifier , comprising:a gas filter located between an upstream air flow and a downstream air flow;a concentration sensor comprising a first electrode and a second electrode, the first electrode being exposed to the upstream air flow and the second electrode exposed to the downstream air flow, wherein the concentration sensor comprises an electrolyte located between the first and second electrodes, and wherein the concentration sensor is configured for providing an output signal based on the difference in concentrations of a target gas at the first and second electrodes; anda processor configured for processing the output signal to determine information relating to the condition of the gas filter.2. An air purifier as claimed in claim 1 , further comprising a calibration module configured for calibrating the concentration sensor based on an initial target gas concentration level.3. An air purifier as claimed in claim 2 , wherein the calibration module comprises:an additional sensor exposed to the upstream air flow; ora reference electrode exposed to a confined gas volume; ora user interface for receiving the initial target gas concentration level from a user; ora communications module for receiving the initial target gas concentration level from an external data source.4. An air purifier as claimed in claim 1 , further comprising a calibration modulecomprising a reference electrode exposed to a confined gas volume, and ...

SENSOR SYSTEM AND SENSING METHOD

A sensor system is for sensing a substance in a fluid (), comprising a first sensor () and a second sensor () of the same type. The first sensor () is used until a calibration event, during which the second sensor () is used. The second sensor () is used only during the calibration event. The first sensor () is calibrated using the sensor information from the second sensor (). 1. A sensor system for determining the status of a filter , comprising:a first sensor for sensing the substance in the fluid;a second sensor for sensing the substance in the fluid, the second sensor being of the same type as the first sensor and for sensing the same substance; anda controller adapted to:control the first sensor to sense the substance in the fluid, until a calibration event;during the calibration event, control the second sensor to sense the substance in the fluid, the second sensor being operated only during the calibration event;calibrate the first sensor using the sensor information from the second sensor,a first filter coupled to the first sensor and a second filter coupled to the second sensor;the sensor system is configured to route fluid filtered by the first and second filters to one of the first and second sensors in turn, and to determine a status of the first filter based on a difference between signals from the first and the second sensor.2. A sensor system as claimed in claim 1 , wherein the sensor system is configured for sensing the presence and/or amount of a target substance in a fluid.3. A sensor system as claimed in claim 2 , wherein the sensor system is configured for sensing a pollutant amount or concentration in air.4. A sensor system as claimed in claim 1 , wherein the first and second sensors each comprise a mechanical sensor.5. A sensor system as claimed in claim 4 , wherein the mechanical sensors each comprise a sensing element claim 4 , and a transducer adapted to drive the sensing element into resonance and to detect a resonance frequency of the ...

Exosomes sourced from granulocytic myeloid-derived suppressor cells and application thereof

Provided are exosomes sourced from a granulocyte myeloid-derived suppressor cell and an application thereof. The exosomes are named as G-MDSC exo. Also provided is a use of the exosomes in preparing a drug used for suppressing autoimmune diseases. The G-MDSC exo can effectively suppress proliferation of CD4+T cells in vitro, promote induced proliferation of T regulatory (Treg) cells, alleviate foot swelling of model mice having delayed-type hypersensitivity, and suppress attacks of inflammatory bowel disease (IBD) and collagen-induced arthritis (CIA) of the mice.

Preparation method of high-dispersion manganese-cerium composite oxides

The invention discloses manganese-cerium composite oxide, which is prepared in one step through the oxidation reduction-precipitation process among Mn, Mn and Ce ions, wherein components, namely MnO2 and CeO2 of the manganese-cerium composite oxide have high dispersion on a near molecular scale, the mol ratio of Mn to Ce is randomly adjusted, and the composite oxide has good oxidation reduction and oxygen affinity. As a catalyst carrier of reactions of formaldehyde oxidation at room temperature and low-temperature selective catalytic reduction of nitrogen oxide, the use of the composite oxide can ensure that a catalyst has higher activity, and the stability of the composite oxide is more superior to those of other carriers.

A CHEMICAL FORMALDEHYDE FILTER

Presented is a chemical formaldehyde filter comprising a filter substrate having a porous structure; the filter substrate comprising a mixture of a formaldehyde absorbent and a porous framework material. Further, a method for fabricating such a filter is described. 1. A chemical formaldehyde filter comprising a filter substrate having a porous structure;the filter substrate comprising a mixture of a formaldehyde absorbent and a porous framework material, wherein the formaldehyde absorbent is an amine-containing formaldehyde absorbent chemical compound, and the porous framework material is plaster, plaster gypsum, or lime.2. The chemical formaldehyde filter according to claim 1 , wherein the filter substrate is made from the mixture.3. The chemical formaldehyde filter according to claim 1 , wherein the filter substrate comprises a substrate coated with the mixture.4. The chemical formaldehyde filter according to claim 1 , wherein the formaldehyde absorbent is tris(hydroxymethyl)aminomethane.5. The chemical formaldehyde filter according to claim 1 , wherein the mixture further comprises an alkaline buffering agent.6. The chemical formaldehyde filter according to claim 5 , wherein the buffering agent comprises one or more of a hydrogen carbonate salt and a formate salt.7. The chemical formaldehyde filter according to claim 5 , wherein the buffering agent comprises at least one of KHCOO and KHCO.8. The chemical formaldehyde filter according to claim 1 , wherein the filter substrate has a honeycomb structure.9. The chemical formaldehyde filter according to wherein the porous framework material is β-CaSO.2HO or β-CaSO.½HO.10. A method of fabricating a chemical formaldehyde filter claim 1 , comprising:mixing a solution containing a formaldehyde absorbent with a porous framework material;casting the resulting mixture into a monolith structure and drying the cast mixture, or coating the resulting mixture on a substrate and drying said coated substrate, wherein the ...

Solid oxide fuel cell stack

The invention provides a solid oxide fuel cell stack which comprises an upper current collector, a lower current collector and a stacked structure accommodated between the upper current collector and the lower current collector, wherein the stacked structure comprises at least two connecting parts and a cell piece arranged between the two adjacent connecting parts, each connecting part comprises the anode side and the cathode side, an oxidizing gas sealing part is arranged on the anode side of each connecting part, and a fuel gas sealing part is arranged on the cathode side of each connecting part; and a closed oxidizing gas inlet channel, a closed fuel gas inlet channel, a closed fuel gas outlet channel and an open oxidizing gas outlet channel are arranged on the stacked structure. Compared with the prior art, as an oxidizing gas outlet is open, the internal gas pressure difference at the cathode sides of the connecting parts is smaller, the flow is more smooth, the problem of mutual gas ...

PARALLEL AIR FILTRATION

In various embodiments, an air purification system ( 100, 300, 400 ) may include a first air filter ( 316, 416 ) that targets at least a first type of pollutant. In various embodiments, air that passes through the first air filter may be unobstructed by other air filters. In various embodiments, a second air filter ( 316, 416 ) may target at least a second type of pollutant that is different than the first type of pollutant. In various embodiments, air that passes through the second air filter may also be unobstructed by other air filters. In various embodiments, a controller ( 102, 302 ) may be configured to selectively move the first and/or second air filters to expose one or both of the first and second air filters to one or more air streams, e.g., based on user input and/or on one or more signals from one or more pollutant sensors ( 106, 306 ).

Use of miR-9 inhibitor in preparation of tumor growth inhibition drugs

The present invention discloses a use of a miR-9 inhibitor in preparation of tumor growth inhibition drugs. According to the present invention, the modern biology technology is adopted, and it is found that the miR-9 has the use of regulation of MDSC cells, wherein immunosuppression capability of MDSC cells can be down-regulated by inhibiting miR-9 expression in MDSC cells so as to inhibit tumor growth, such that the miR-9 can be adopted as a target for tumor treatment so as to provide potential application values and practical significance for tumor immunotherapy.

AN AIR PURIFIER AND A METHOD FOR CONTROLLING AN AIR PURIFIER

An air purifier () uses an air purifier filter unit () and a sensor () for sensing the matter to be filtered by the air purifier filter unit. By monitoring () the performance of the air purifier combined with information about the air purifier filter unit, it is possible to determine a volume of the space in which the air purifier () is deployed. 1. An air purifier , comprising:an air purifier filter unit;a sensor for sensing a matter to be filtered by the air purifier filter unit; anda controller, 'monitor a performance of the air purifier using the sensor;', 'wherein the controller is adapted to 'the controller is further adapted to derive information about a volume of a space in which the air purifier is deployed based on information about the air purifier filter unit and a sensor output of the sensor.', 'wherein2. An air purifier as claimed in claim 1 , wherein the air purifier filter unit comprises a machine readable identifier which stores information about the air purifier filter unit performance.3. An air purifier as claimed in claim 1 , wherein the controller is adapted to derive a clean air delivery rate and to derive information about a reference volume of the space from the clean air delivery rate obtained during a calibration procedure during which the air purifier is operated in the space and the space is configured to be non-ventilated.4. An air purifier as claimed in claim 3 , wherein the controller is adapted to determine if the space is ventilated based on comparing the currently determined volume with the reference volume.5. An air purifier as claimed in claim 1 , further comprising a chemical release device claim 1 , for example a scent release device claim 1 , wherein the controller is adapted to control the chemical release device in dependence on the information about the volume.6. An air purifier as claimed in claim 5 , wherein the controller is adapted to control the chemical release device in dependence on the output of the sensor.7. An air ...

Low temperature storage and reduction method for purifying oxynitrides

The invention discloses a low temperature storage and reduction method for purifying oxynitrides, which relates to a system method for removing oxynitrides (NOx) in industrial waste gas or polluted air at low temperature. In the method, an oxidation-reduction-coprecipitation method is used for preparing an NOx purifying material which has the function of adsorbing NOx and SCR catalyst; a storage processing unit and a reduction processing unit, which are used alternately, are arranged; in the storage unit, NOx in low temperature waste gas is continuously adsorbed and stored on the surface of an amorphous MnO2 material in the form of nitrates and nitrites; and in the reduction unit, hot air containing NH3 reducer passes through the MnO2 material stored with NOx, so that the stored NOX is reduced into harmless N2. The invention has the characteristics of high adsorption capacity, high NOx reduction efficiency and the like.

WEARABLE AIR PURIFICATION DEVICE

The invention provides a wearable air purification device which actively generates a propelled stream of purified air for direct delivery to a region proximal to a user's mouth or nose for their immediate inhalation. An air chamber comprises a flexible diaphragm adapted to fluctuate between two extreme positions, thereby altering the volume within the chamber and alternately sucking and blowing air into and out of the chamber. Filtration elements are arranged in said air chamber. The filtration elements are arranged so as to make fluid communication with air displaced into the air chamber and, to make fluid communication with air displaced out of said chamber so that air is cleaned as it passes both into, and out of, the air chamber. The filtration elements actively remove particulate or gaseous pollutants. Embodiments of the invention may comprise a plurality of such air chamber assemblies, arranged so as to collectively deliver a continuous flow of air to a breathing zone of the user. 1. A wearable air purification device for delivering purified air to a region proximal to the mouth and/or nose of a user for their direct inhalation , comprising: 'an air chamber, said chamber comprising an opening, and further comprising a flexible diaphragm adapted to deflect between first and second positions to thereby change a volume within the air chamber, said change of volume inducing a displacement of air in a first direction into the air chamber via the opening when the diaphragm deflects towards said first position and, a displacement of air in a second direction out of the chamber via the opening when the diaphragm deflects towards said second position;', 'a synthetic jet generator comprisinga filtration element located in said air chamber, the filtration element being arranged so as to make fluid communication with air displaced into the air chamber in said first direction through said opening and, to make fluid communication with air displaced out of said chamber in ...

AIR PURIFIER WITH EXTENDED HUMIDITY WORKING RANGE

Presented is a device () for filtering air, comprising: an air filter () comprising: a first component () adapted for filtering air having a humidity level falling within a first humidity level range; and a second component () adapted for filtering air having a humidity level falling within a second humidity level range; a control system () configured for: receiving a sensed relative humidity of air, and selecting the first () or the second () component for filtering the air, depending on the sensed relative humidity of the air. 2. The device according to claim 1 , wherein the air filter is moveable such that the first or the second component can be selected and moved into an air flow path.3. The device according to claim 1 , wherein the air filter is rotatable such that the first or the second component can be selected by rotating the first or the second component into or towards the air flow path.4. The device according to claim 3 , further comprising a rotor coupled to the air filter and the control system claim 3 , and wherein the control system is further configured to calculate a position angle of the rotor depending on the sensed air humidity level.5. The device according to claim 1 , wherein the air filter has two opposing sides claim 1 , one side comprising the first component and the other side comprising the second component.6. The device according to claim 5 , further comprising at least one other air filter positioned parallel to the air filter claim 5 , and wherein the device is further configured such that sides of all air filters comprising the same component can be selected and rotated simultaneously towards an air flow path for filtering air with a plurality of similar selected components.7. The device according to claim 1 , wherein the air filter is positioned in a container claim 1 , and further comprising a mechanical system for selecting the first or the second component such that the first or the second component is positioned out of the ...

Method and system for reducing nitrogen oxide

The present invention relates to a method for reducing nitrogen oxide and its system. It is characterized by that firstly, the nitrogen oxide and organic compound reducing agent can be passed through the low-temperature plasma reactor to obtain activation, then passed through the catalytic reaction bed in whith the metal oxide catalyst is placed, and finally the nitrogen oxide can be reduced into nitrogen gas, and organic compound reducing agent can be propene or propane, and the metal oxide catalyst can be Ag/Al2O3, In/Al2O3 or Sn/Al2O3.

SOLID OXIDE FUEL CELL STACK

The invention provides a solid oxide fuel cell stack, which comprises an upper current collector plate (), a lower current collector plate () and a stack structure () accommodated between the upper current collector plate () and the lower current collector plate (), wherein the stack structure () includes at least two connectors () and a cell plate () disposed between the two adjacent connectors () which have an anode side and a cathode side. An oxidant gas seal member () is provided at the anode side of the connector (), and a fuel gas seal member () is provided at the cathode side of the connector (). A hermetic oxidant gas supply passage, a hermetic fuel gas supply passage, a hermetic fuel gas discharge passage and open oxidant gas discharge passages are set in the stack structure (). Compared with the prior art, the inner gas pressure difference is smaller, and the flow is smoother due to the open oxidant gas passages, thereby effectively solving the problem of the mutual leakage between fuel and oxidant gas, increasing the seal reliability of the stack, and improving the stack manufacturing yield and the stability of operation performance. 1. A solid oxide fuel cell stack , comprisingan upper current collector plate, a lower current collector plate and a stack structure accommodated between the upper current collector plate and the lower current collector plate, wherein:the stack structure comprises at least two connecting members and a cell disposed between two adjacent connecting members, each connecting member has an anode side and a cathode side, and an oxidizing gas sealing member is provided at the anode side of the connecting member, and a fuel gas sealing member is provided at the cathode side of the connecting member; anda hermetic oxidizing gas inlet passage, a hermetic fuel gas inlet passage, a hermetic fuel gas outlet passage and an open oxidizing gas outlet passage are provided on the stack structure.2. The solid oxide fuel cell stack according to ...

Exosomes Sourced from Granulocytic Myeloid-derived Suppressor Cells and Application thereof

Provided are exosomes sourced from a granulocyte myeloid-derived suppressor cell and an application thereof. The exosomes are named as G-MDSC exo. Also provided is a use of the exosomes in preparing a drug used for suppressing autoimmune diseases. The G-MDSC exo can effectively suppress proliferation of CD4+T cells in vitro, promote induced proliferation of T regulatory (Treg) cells, alleviate foot swelling of model mice having delayed-type hypersensitivity, and suppress attacks of inflammatory bowel disease (IBD) and collagen-induced arthritis (CIA) of the mice. 1. Granulocytic myeloid-derived suppressor cells (G-MDSC) derived exosomes , wherein , the exosomes are membrane vesicles containing the lipid component of cell membrane of derived sources , the exosomes also have nonspecific components of G-MDSCs and specific active components such as protein and nucleic acid in G-MDSCs , and are composite informosomes of subcellular structure for intercellular information transmission.2. Granulocytic myeloid-derived suppressor cells derived exosomes according to claim 1 , wherein the exosomes have immunosuppressive capacity of G-MDSCs and their own membrane molecules CD63.3. Granulocytic myeloid-derived suppressor cells derived exosomes according to claim 1 , wherein the exosomes contain Arg-1 and exhibit immunosuppressive properties.4. Granulocytic myeloid-derived suppressor cells derived exosomes according to claim 3 , wherein the exosomes were isolated from cancer individuals or autoimmune diseases individuals.5. A preparation method of granulocytic myeloid-derived suppressor cells derived exosomes according to claim 4 , wherein tumor-bearing mouse and collagen-induced arthritis mouse are established claim 4 , and G-MDSCs are separated from spleen and the culture supernatant of G-MDSCs is collected claim 4 , and G-MDSC exo are isolated by combination of ultracentrifugation centrifugation and microporous membrane filter.6. The method according to claim 5 , wherein the ...

SHOCK-RESISTANCE TESTING APPARATUS

A shock-resistance testing apparatus includes a support base, a first rotating component and a controller provided on the support base. A second rotating component is coupled to one side of the first rotating component. A testing board is placed on the first rotating component. A falling board is placed on the testing board. The controller controls the first rotating component to drive the second rotating component rotating from one side of the testing board to another side of the testing board. The controller controls the second rotating component to lift the testing board. The controller controls the second rotating component to move away from the testing board so that the testing board falls. 1. A shock-resistance testing apparatus , comprising:a support base;a first rotating component and a controller placed on the support base;a second rotating component coupled to one side of the first rotating component;a testing board placed on the first rotating component; anda falling board placed on the testing board,wherein the controller controls the first rotating component to drive the second rotating component to rotate from one side of the testing board to another side of the testing board;wherein the controller controls the second rotating component to lift the testing board; andwherein the controller controls the second rotating component to move away from the testing board so that the testing board falls.2. The shock-resistance testing apparatus of claim 1 , wherein the first rotating component comprises a supporting post and a spacer plate on the supporting post claim 1 , the shock-resistance testing apparatus further comprises a first motor drive controlled by the controller to drive the supporting post such that the second rotating component is rotated from one side of the testing board to another side of the rotating board.3. The shock-resistance testing apparatus of claim 2 , wherein the second rotating component comprises a linear guideway coupled to the ...

Freshness detection

A freshness detection device (10) which comprises a container (20) adapted to form an accommodating space (11) for accommodating an object; a heat transferring surface (21) contacting the accommodating space (11); a sensing unit (30) adapted to provide a sensing parameter representing the heat transfer amount through the heat transferring surface (21); and a processing unit (40) adapted to determine the freshness of the object based on the sensing parameter. This provides a non-invasive and efficient way for consumers to detect the freshness of fruits, vegetables, flowers, mushrooms, etc.

An air purifier and a method for controlling an air purifier

An air purifier (10) uses an air purifier filter unit (12) and a sensor (26) for sensing the matter to be filtered by the air purifier filter unit. By monitoring (18) the performance of the air purifier combined with information about the air purifier filter unit, it is possible to determine a volume of the space in which the air purifier (10) is deployed.

Wearable air purification device

The invention provides a wearable air purification device which actively generates a propelled stream of purified air for direct delivery to a region proximal to a user's mouth or nose for their immediate inhalation. An air chamber comprises a flexible diaphragm adapted to fluctuate between two extreme positions, thereby altering the volume within the chamber and alternately sucking and blowing air into and out of the chamber. Filtration elements are arranged in said air chamber. The filtration elements are arranged so as to make fluid communication with air displaced into the air chamber and, to make fluid communication with air displaced out of said chamber so that air is cleaned as it passes both into, and out of, the air chamber. The filtration elements actively remove particulate or gaseous pollutants. Embodiments of the invention may comprise a plurality of such air chamber assemblies, arranged so as to collectively deliver a continuous flow of air to a breathing zone of the user.

Patent JPH059540B2

Air purifier with extended humidity working range

數位工具書學習系統

Transgenic technology by pollen tube pathway for g. barbadense l

婚禮宴客留言展示裝置

可隱藏袋口之收納袋

一種可隱藏袋口之收納袋，包括有一袋體及一遮蓋片所構成；該袋體具一袋口，係由撓性材質所製成，用以收納隨身物品或撓性圍體，其約略可分為前側面與後側面，該遮蓋片係延設於該袋口前側周緣且疊置於該袋體之前側面，該遮蓋片兩側並與該袋體兩側分別連結封邊，用以反摺覆蓋於該袋體之後側面，並將該袋口繃緊閉合，達到袋口隱形作用，藉此構成一具有較佳精巧效率之可隱藏袋口之收納袋。

粉碎機刀具結構

Bunched bag body

粉碎機刀具結構

束口式袋體

束口式袋體

一種束口式袋體，包括有袋體與拉帶，該袋體開口周邊設有缺口槽，藉此形成有延伸片段，該延伸片段結合有撓性片條，該拉帶係環繞橫跨疊置於該延伸片段內側，且該拉帶疊置於該延伸片段處之部分界定為內置段，且該拉帶兩端依該缺口槽向外延伸之部分界定為外露段，所述之撓性片條係與該延伸片段對合且上下封邊，將該拉帶之內置段圍覆，並同步向內對折而與該延伸片段連結固定，使其與該延伸段之間構成一略呈∩形之對折導軌，並將該拉帶之內置段對折定形而穿置於該對折導軌中，當拉動該拉帶之外露段而連動該拉帶之內置段，使該拉帶之內置段可依該對折導軌穩定外移，並縮短變小將該袋體開口束緊封口，具可防止拉帶產生旋扭糾結變形，及確保拉帶之外露段維持平坦狀之寬廣平面，具有較佳止滑定位與分散壓力效用。

粉碎機刀具結構

本創作係在提供一種粉碎機刀具結構，主要係於一轉軸上排列設有多組碎料刀組，該碎料刀組係設有二相對應之刀座，該刀座上等距設有數個架刀槽，該二相對應的刀座上的架刀槽係組設有一刀具，該轉軸上的多組該碎料刀組之刀具係呈相對之八字形排列，如此，藉由將轉軸上之各碎料刀組之刀具呈八字形排列，可因應不同物料，達到快速粉碎之效果。

Sensor system and sensing method

A sensor system is for sensing a substance in a fluid (1), comprising a first sensor (10) and a second sensor (12) of the same type. The first sensor (10) is used until a calibration event, during which the second sensor (12) is used. The second sensor (12) is used only during the calibration event. The first sensor (10) is calibrated using the sensor information from the second sensor (12).

A chemical formaldehyde filter

Presented is a chemical formaldehyde filter comprising a filter substrate having a porous structure; the filter substrate comprising a mixture of a formaldehyde absorbent and a porous framework material. Further, a method for fabricating such a filter is described.