Abstract: A method of distinguishing cancerous cells and healthy cells of a subject from each other comprises the steps: (i) contacting a region of tissue of a subject suspected of including at least some cancer cells with a plurality of nanodiamonds, wherein the plurality of nanodiamonds comprise a first plurality of conjugates, wherein the conjugates of the first plurality of conjugates consist of first nanodiamonds and one or more cancer cell targeting agents, wherein the first nanodiamonds have a first type of colour center, and a second plurality of conjugates, wherein the conjugates of the second plurality of conjugates consist of second nanodiamonds and one or more healthy cell targeting agents, wherein the second nanodiamonds have a second type of colour center; and (ii) applying light of a first wavelength so as to excite the first type of colour center and applying light of a second wavelength so as to excite the second type of colour center, wherein upon contacting the region of tissue with the plurality of

Abstract: A process operable using a computerized system (300) grades the clarity of a diamond (315, 400) as a function of internal defects within its body (315, 400). The computerized system (300) includes an optical image acquisition device (310), a processor module (320) and an output module (340) operably interconnected together. The process includes the steps of (i) acquiring via an optical image acquisition device (310) a plurality of top view images of a diamond (315, 400); (ii) in a processor module (320), detecting defects within the body of the diamond (315, 400); and (iii) from an output module (340), providing a signal indicative of the clarity grade assigned in (ii).

Abstract: A process is operable using a computerized system for grading the clarity of a diamond. The computerized system includes an optical image acquisition device, a processor, a pre-trained neural network and an output module operably interconnected together. The process includes: (i) acquiring via an optical image acquisition device one or more plural axial view images of a diamond with different focus depths; (ii) in a processor, combining the plural axial views to form one or more single optical images; (iii) in a pre-trained neural network, providing a regressive value associated with the clarity grade of the diamond based on the one or more single images acquired during step (i); and (iv) from an output module, providing a clarity grade to the diamond (i) by correlating the regression value from (ii) to a clarity grade.

Abstract: A process is operable using a computerized system for grading the colour of a diamond using a pre-trained neural network for determination of a colour grading. The computerized system includes an optical image acquisition device, a pre-trained neural network and an output module operably interconnected together via a communication link. The process includes: (i) acquiring via an optical image acquisition device one or more optical image of at least a portion of a diamond; and (ii) in a pre-trained neural network, providing a regressive value associated with the colour grade of the diamond.

Abstract: A transmission line for conveying a radio frequency (RF) signal between a first terminal and a second terminal. The transmission line comprises an inner conductor, a middle conductor and an outer conductor. The inner conductor comprises a length of conductive material having a first end for electrical connection with the first terminal and a second end for electrical connection with the second terminal. The middle conductor surrounds at least a part of the length of the inner conductor and is electrically connected to the electrical ground of the source. The outer conductor surrounds at least a part of the length of the middle conductor and is electrically connected to the electrical ground of the load.

Abstract: There is provided an electrodeless plasma lamp and confinement member for an electrodeless plasma lamp. The lamp comprises a lamp body with an input coupling element, with one end coupled to an RF source and the other end coupled to a first ground potential. An output coupling element is received substantially within the lamp body and spaced apart from the input coupling element and from the top of the lamp body, wherein one end of the output coupling element is coupled to a second ground potential and the other end of the output coupling element at the top of the lamp body is coupled to a gas filled vessel. An electromagnetic confinement member extends away from the lamp body and surrounds it for reducing emission of electromagnetic waves below a predetermined threshold frequency, and includes a plurality of apertures formed therein.

Abstract: Examples include an inductor assembly and an apparatus comprising and a transistor amplifier and an impedance matching network. The impedance matching network comprises a circuit board, an inductance block and a screw. The inductance block has a first leg mounted on a first contact plate of the circuit board and a second leg mounted on a second contact plate of the circuit board. The screw is screwable into the inductance block such that a threaded portion of the screw engages with threaded portions of the first leg and the second leg to form a conductive path connecting the first contact plate with the second contact plate. The length of the conductive path and a value of the inductance of the conductive path are adjustable by adjusting a height of the screw within the inductance block.

Abstract: A process operable using a computerized system (300) grades the clarity of a diamond (315, 400) as a function of internal defects within its body (315, 400). The computerized system (300) includes an optical image acquisition device (310), a processor module (320) and an output module (340) operably interconnected together. The process includes the steps of (i) acquiring via an optical image acquisition device (310) a plurality of top view images of a diamond (315, 400); (ii) in a processor module (320), detecting defects within the body of the diamond (315, 400); and (iii) from an output module (340), providing a signal indicative of the clarity grade assigned in (ii).

Abstract: A computerized system for grading the colour of a diamond, wherein the colour of the diamond is graded based on a predetermined threshold of correlation of colour of a diamond with the colour of a diamond of a plurality of diamonds each having a colour grading assigned thereto, the computerized system including: an optical image acquisition device for acquiring at least a first optical image of a diamond, wherein the first optical image is acquired at a predetermined angle of inclination to the central axis extending normal to the table and through the apex of the pavilion of the diamond and in a direction of towards the table and wherein the first optical image is acquired in an environment having a predetermined constant light level; a processor module for comparing data derived from acquisition of the at least a first optical image with a plurality of data sets each of which corresponds to a diamond of a plurality of diamonds, wherein data sets are each derived from an optical image acquired by an optical

Abstract: An electric blower (10) is disclosed as including a brushless motor (16), and an axial fan (18, 18C) driven by the motor, the motor being operable at a first speed of rotation of 15,000 revolutions per minute (rpm) and a second speed of rotation of 18,000 rpm, the axial fan including a hub (34C) and a plurality of fan blades (36C) engaged with the hub, the hub having a hub diameter (?H), the axial fan having an outer diameter (?T), and ? H ? T being between substantially 0.6 and substantially 0.65.

Abstract: A walk-behind electric gardening device, comprising: a base unit arranged to move on a surface; a handle assembly connected to the base unit; a tool connected to the base unit for performing gardening operation; a first drive unit operable to propel the base unit; a second drive unit operable to drive the tool; and a switch assembly operable by a user to selectively activate and deactivate the first drive unit.

Abstract: A cutting head assembly, a trimmer head and a power tool including such cutting head assembly. The cutting head assembly comprises a spool and an enclosure combined to define a spool cavity arranged to accommodate a trimmer line wound on the spool, characterized in that the trimmer line is arranged to form a single layer of winding when being retracted within the enclosure.

Abstract: An identifiable mark on a portion of a polished facet of a surface of an article and being identifiable by an optical magnifying viewing device, the identifiable mark comprising a nano-structure formed by a two-dimensional or a three-dimensional lattice of a plurality of discrete nanometer sized recessed or protruded entities, wherein the entities are arranged within a predefined region of the polished facet in a predetermined arrangement in relation to each other. The predetermined arrangement of the entities is non-uniform and non-periodic arrangement, and wherein the entities are sized and shaped so as to cause optical scattering upon reflection of incident light having one or more predetermined wavelengths by the lattice at a predetermined angle of incidence to the lattice and the distance from the inner interface surface to the outer interface surface is greater than the amplitude of the non-marked portion of the polished face.

Abstract: A hand-held knockout punch driver includes a housing, a motor, a drive assembly with an output member movable relative to the housing, and a head unit removably coupled to the housing. The head unit includes a body, an input member movable relative to the body, and a draw rod to which a punch or a die is attachable. The draw rod is configured to move axially relative to the body in response to movement of the input member relative to the body. The knockout punch driver also includes a quick-release mechanism to removably couple the body to the housing. The output member is configured to engage the input member such that the input member moves relative to the body in response to movement of the output member relative to the housing, and the body engages the quick release mechanism separately from engagement between the output member and the input member.

Abstract: A computerized system for grading the colour of a diamond, wherein the colour of the diamond is graded based on a predetermined threshold of correlation of colour of a diamond with the colour of a diamond of a plurality of diamonds each having a colour grading assigned thereto, the computerized system including: an optical image acquisition device for acquiring at least a first optical image of a diamond, wherein the first optical image is acquired at a predetermined angle of inclination to the central axis extending normal to the table and through the apex of the pavilion of the diamond and in a direction of towards the table and wherein the first optical image is acquired in an environment having a predetermined constant light level; a processor module for comparing data derived from acquisition of the at least a first optical image with a plurality of data sets each of which corresponds to a diamond of a plurality of diamonds, wherein data sets are each derived from an optical image acquired by an optical

Abstract: A hand-held knockout punch driver includes a housing, a motor positioned within the housing, and a head unit removably coupled to the housing. The head unit includes a draw rod to which at least one of a punch or a die is attachable.

Abstract: A hedge trimmer comprises: a drive motor (30, 130) disposed in a casing (21, 121); a gear mechanism disposed in the casing (21, 121) and connected to the drive motor (30, 130); and a blade arrangement having at least one cutter bar (20, 120). The at least one cutter bar (20, 120) is driven in a reciprocating manner in a longitudinal direction of the blade arrangement by the drive motor (30, 130) via the gear mechanism. The gear mechanism contains at least a first gear setting and a second gear setting producing two different gear-ratios, such that the at least one cutter bar (20, 120) is adapted to be driven at a first speed and torque using the first gear setting, and a second speed and torque different from the first speed and torque using the second gear setting.

Abstract: A method of forming one or more protrusions on an outer surface of a polished face of a solid state material, said method including the step of applying focused inert gas ion beam local irradiation towards an outer surface of a polished facet of a solid state material in a way of protruding top surface material; wherein irradiated focused inert gas ions from said focused inert gas ion bean penetrate the outer surface of said polished facet of said solid state material; and wherein irradiated focused inert gas ions cause expansive strain within the solid state crystal lattice of the solid state material below said outer surface at a pressure so as to induce expansion of solid state crystal lattice, and form a protrusion on the outer surface of the polished face of said solid state material.

Abstract: A method of forming one or more protrusions on an outer surface of a polished face of a solid state material, said method including the step of applying focused inert gas ion beam local irradiation towards an outer surface of a polished facet of a solid state material in a way of protruding top surface material; wherein irradiated focused inert gas ions from said focused inert gas ion bean penetrate the outer surface of said polished facet of said solid state material; and wherein irradiated focused inert gas ions cause expansive strain within the solid state crystal lattice of the solid state material below said outer surface at a pressure so as to induce expansion of solid state crystal lattice, and form a protrusion on the outer surface of the polished face of said solid state material.

Abstract: A hand-held knockout punch driver includes a housing, a motor positioned within the housing, and a head unit removably coupled to the housing. The head unit includes a draw rod to which at least one of a punch or a die is attachable.