摘要:
A method, system and computer program for modelling an optimal mine plan is disclosed. The life of mine is divided into a plurality of increasing lengths of time (FIGS. 2 and 3) and performing optimisation steps, with each step being performed once for a predetermined time period for the remaining life of mine. Material may be stockpiled or may be sent direct to product or to waste without any stockpiling. A decision (block 10 in FIG. 1) is made as to which material is sent to product in each time period for the remaining life of mine. In each predetermined time period, material with a grade greater than a marginal grade that is not sent to produce is sent to stockpile and all material less than a marginal grade is sent to waste (14). In the remaining life of mine, after the predetermined period, it is required that all material not sent to produce be sent to waste and determining an initial movement of material to and from the stockpile and to and from the mine to product over the life of mine in increasing lengths of time.
摘要:
Methods and devices are provided for forming multi-nary semiconductor. In one embodiment, a method is provided comprising of depositing a precursor material onto a substrate, wherein the precursor material may include or may be used with an additive to minimize concentration of group IIIA material such as Ga in the back portion of the final semiconductor layer. The additive may be a non-copper Group IB additive in elemental or alloy form. Some embodiments may use both selenium and sulfur, forming a senary or higher semiconductor alloy. It is emphasized that this abstract is provided to comply with the rules requiring an abstract that will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims.
摘要:
Methods and devices are provided for forming multi-nary semiconductor. In one embodiment, a method is provided comprising of depositing a precursor material onto a substrate, wherein the precursor material may include or may be used with an additive to minimize concentration of group IIIA material such as Ga in the back portion of the final semiconductor layer. The additive may be a non-copper Group IB additive in elemental or alloy form. Some embodiments may use both selenium and sulfur, forming a senary or higher semiconductor alloy.
摘要:
A portable gymnastic device comprising a suspension means having two opposed and complementary rigid hooks, which are pivotally connected together and to a U-shaped frame by a pin. Hooked upper ends of the hooks are engaged over a horizontal cross member of the doorframe or a horizontal bar. The hooks are normally biased to a closed position permanently by the spring. A rope is connected with the U-shaped frame by a knot, which is placed on a top end of the rope. A handle is connected with a bottom end of the rope by suitable means such as a cam within the handle. On the bottom end of the rope several handles may be set on different levels to accommodate different height users and different exercises.
摘要:
Methods and devices are provided for forming multi-nary semiconductor. In one embodiment, a method is provided comprising of depositing a precursor material onto a substrate, wherein the precursor material may include or may be used with an additive to minimize concentration of group IIIA material such as Ga in the back portion of the final semiconductor layer. The additive may be a non-copper Group IB additive in elemental or alloy form. Some embodiments may use both selenium and sulfur, forming a senary or higher semiconductor alloy. It is emphasized that this abstract is provided to comply with the rules requiring an abstract that will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims.
摘要:
A failsafe stable cleat with automatic in-line line-locking includes a frame having proximate and a remote sides on substantially opposite sides of the frame and formed with a passageway, extending between the proximate and remote sides, for receiving a line and generally defining a cleat center line along which a line can move along a first line releasing direction from the proximate to the remote sides and a line pulling direction from the remote to the proximate sides; attaching members for attaching the frame to a support surface. A cam on the frame on one side of the passageway has a line engaging portion spaced a predetermined distance from the support surface, the cam being movable between a line releasing position and a line locking position. A pusher on the frame is positioned on an opposite side of the passageway in relation to the cam for selectively applying a force on the line in the direction of the cam A cam biasing member tends to urge the cam to disengage from the line while a pusher biasing member normally tends to move the line across the gap into contact with the cam while permitting the line to return to the passageway out of contact with the cam when sufficient tension is applied by the user off the cleat center line to create a force component to offset the pushing force created by the pusher biasing member. This promotes unlocking of the line and allowing the line to move in the first line releasing direction, engagement of the line by the cam to the line locking position creating a force couple which is a function of the predetermined distance, that tends to separate the frame from the support surface. A stabilizing element compensates for and offsets the force couple independently of the dimensions or configuration of the frame.
摘要:
A deal with automatic line-locking includes a cam formed of a plurality of generally flat pressure-engaging segments or pressure pads that are angularly laterally offset to opposite sides of the cam plane an beyond the sheet(s) of flat material forming the cam, the segments or pads generally defining a line-receiving region having a generally uniform cross-section greater than the thickness of the sheet(s) of flat material configured to frictionally engage the line in the line locking position. Auxiliary sheave assemblies may be used to provide automatic failsafe operation by means of the cleat when raising or lowering an object on a hook or loop. A pusher may be used to automatically urge the line to move in the direction of the cam to lock the line especially when the line is released.
摘要:
Techniques for imaging a blood vessel are described. A transducer attached to a catheter is guided to a first site within a blood vessel. The catheter is moved to a second site proximal to the first site at a speed selected to enable the transducer to generate a signal indicative of a geometry wall, the lumen, and a portion of the side branch. A first image of the blood vessel obtained from the signal is oriented with a second image of the blood vessel such that a first portion of the first image aligns with a second portion of the second image.
摘要:
A sliding storage system includes a vertical rod having upper and lower ends. Brackets attach the upper and lower ends of the rod to a wall to fix the rod in a vertical orientation.A storage device in the form of a rigid cabinet slidably is mounted on the rod for free sliding movements between (i) the lower end of the rod for positioning the storage device in a lower position to provide access to a user and allow the user to place an object on or remove an object from the cabinet and (ii) the upper end for positioning the storage device in a storage position generally above the living space of the user. A locking member in the form of a clutch plate cooperates with the cabinet and the vertical rod, the clutch plate being movable between a locking position for locking the cabinet against vertical movements along said rod and a releasing position enabling the cabinet to selectively and freely move vertically upwardly and downwardly along the rod. A spring acting between the cabinet and the clutch plate normally urges the clutch plate to move to the locking position. A manual release is actuatable directly by a user or indirectly by a line extending over a sheave above the rod to move the clutch plate from a locking position to a releasing position when manually actuated by a user to overcome the action of the spring. In this way, manual activation of the manual release allows a user to selectively raise or lower the cabinet to place an object on or remove an object from the cabinet in a lowered position and to store an object in a raised position of the cabinet.
摘要:
A cord lock for a Venetian blind or a shade disclosed has a housing having two parallel sidewalls, an end wall, a downwardly facing surface of the ramp members is formed with a plurality of transverse ribs; an opening is formed by the sidewalls, the end wall and the downwardly facing surface of the ramp members; a separator extends between the end wall and the ramp members; a pulley roller is rotatably mounted on a shaft supported in the sidewalls; a cylindrical floating roller formed on its peripheral surface with a plurality of ribs extending in a direction parallel to own axis; a top of the opening through which lift cords may pass freely to the pulley roller and then through the opening and then through different sides of the separator and then be completed as free hanging ends of pull cords; pushing means placed on the housing and having a mechanical contact with the pull cords on spots facing to the end wall and pushing the pull cords towards the cylindrical floating roller permanently. The pushing means will secure the immediate locking of the cords if the pull cords were accidentally released or dropped.