Abstract: A contact device comprises an outer housing delimiting a first inner space, an inner housing delimiting a second inner space and arranged in the first inner space, a contact element arranged in the second inner space, a first sealing element arranged between the inner housing and the outer housing, and a second sealing element arranged between the contact element and the inner housing. The first sealing element seals the first inner space from an environment of the contact device. The second sealing device seals the second inner space from the environment.

Abstract: A method for processing an oligomerization product stream includes discharging the oligomerization product stream from an oligomerization reactor through a product outlet line, and heating the oligomerization product stream, heating a wall of the product outlet line, or both. The oligomerization product stream includes solvent, linear alpha olefins, a polymer byproduct, or a combination of at least one of the foregoing. The heating is to a temperature that is greater than the melting temperature of the polymer byproduct present in the oligomerization product stream.

Abstract: A method of temperature control includes: passing a feed stream comprising ethylene through a reactor at a feed location; withdrawing an outlet steam comprising linear alpha olefins from the reactor; passing the outlet stream through a condensate vessel, wherein the outlet stream is split into a vapor fraction and a liquid fraction within the condensate vessel; withdrawing the vapor fraction from the condensate vessel and recycling it back to the feed stream; and withdrawing the liquid fraction from the condensate vessel and injecting it into the reactor at an injection location.

Abstract: The invention relates to a method (100) and to a device (450) for reserve driving of a vehicle (400), wherein the vehicle (400) comprises a drive unit (410), an auxiliary unit (420) having a drive (430) associated with the auxiliary unit (420), and at least one wheel (440). The wheel (440) is designed to roll on the ground at least during reserve driving of the vehicle (400) or during the travel of the vehicle (400). The device (450) is designed to detect a failure of the drive unit (410); to couple the drive (430) of the auxiliary unit (420) to the wheel (440); and to operate the drive (430) of the auxiliary unit (420) for the reserve driving of the vehicle (400).

Abstract: A radiation device is for the radiation of human skin, preferably the face of a user, in particular at least with radiation in the red light range, with a source of radiation and a filtering device for filtering the radiation emitted by the source of radiation. The filtering device is configured in such a way that the radiation device emits radiation in a wavelength range from 280 to 400 nm and beyond that radiation in a wavelength range of 600 to 700 nm, and that the radiation device emits at least zonally radiation in a wavelength range of a visible color shade of the visible light spectrum and filters further radiation of the visible light spectrum.

Abstract: A microwave connector assembly comprises a waveguide ferrule having a receiving end receiving a dielectric waveguide, a connecting end distal to the receiving end, and a locking member, and a ferrule socket at least partially receiving the waveguide ferrule in a ferrule receptacle. The ferrule socket engages in a locking connection with the locking member. The ferrule socket has a coding member engaging a complementary coding member of the waveguide ferrule only when the waveguide ferrule is positioned relative to the ferrule socket in a single predetermined angular position or in one of two predetermined angular positions that are rotated by 180° with respect to each other.

Abstract: An electrical connection device comprises a cable, a ferrule, and a first electrical contact. The cable has an outer conductor surrounding an inner conductor. The ferrule is mechanically connected to the outer conductor. The first electrical contact is electrically connected to the inner conductor.

Abstract: A process for flushing an oligomerization reactor is described, including flushing the oligomerization reactor with a flushing medium comprising C6 linear alpha olefins, C8 linear alpha olefins, C10 linear alpha olefins, or a combination including at least one of the foregoing, to provide a purge stream comprising the C6 linear alpha olefins, C8 linear alpha olefins, C10 linear alpha olefins, or a combination including at least one of the foregoing, and a polymer byproduct of an oligomerization reaction. A process for the oligomerization of an olefin is also described, wherein the process includes oligomerizing the olefin in the reactor to form a reaction product stream comprising linear alpha olefins, and subsequently flushing the oligomerization reactor according to the process disclosed herein.

Abstract: A contact device comprises an outer housing delimiting a first inner space, an inner housing delimiting a second inner space and arranged in the first inner space, a contact element arranged in the second inner space, a first sealing element arranged between the inner housing and the outer housing, and a second sealing element arranged between the contact element and the inner housing. The first sealing element seals the first inner space from an environment of the contact device. The second sealing device seals the second inner space from the environment.

Abstract: A ring rolling device includes a drive roller and a rotatable revolving drum, in which five mandrels are rotatably mounted. Ring blanks can be mounted around the mandrels. By rotating the revolver drum, the mandrels move towards and away from the drive roller. The revolver drum is arranged in relation to the drive roller such that by rotating the revolver drum a decreasing roll gap is formed between a mandrel approaching the drive roller and the drive roller, in which roll gap a ring blank mounted around the mandrel is rolled during the rotating of the revolver drum. The revolver drum has four rotatably mounted support rollers, said support rollers supporting the mandrel in the direction of the rotational axis of the revolving drum, such that, during the rolling process, the mandrel is located between the support rollers and the press element.

Abstract: A process for deactivation of an olefin oligomerization catalyst is described, including contacting a catalyst composition with a catalyst quenching medium to form a deactivated catalyst composition, and recovering excess catalyst quenching medium. The catalyst quenching medium includes an alcohol having at least 6 carbon atoms, an organic amine, an amino alcohol, or a combination comprising at least one of the foregoing. The catalyst quenching medium is present in a molar ratio of catalyst quenching medium to catalyst of at least 3:1. A process for the oligomerization of an olefin is also described, including feeding the olefin, a solvent, and a catalyst composition into a reactor, oligomerizing the olefin in the reactor to form a reaction product stream including linear alpha olefins, solvent, and the catalyst composition, and contacting the reaction product stream with a catalyst quenching medium.

Abstract: A catalyst composition including: (a) a chromium compound; (b) a ligand of the general structure R1R2P—N(R3)—P(XR7)2, wherein X is O or S, R1, R2, and R3 are each independently C1-C10-alkyl, C6-C20-cycloalkyl, arylalkyl, alkylaryl, or trialkylsilyl, or any cyclic derivatives of the ligand, wherein at least one of the P or N atoms of the PNP-unit is a member of the ring system, the ring system being formed from one or more constituent compounds of the ligand by substitution, and R7 is C1-C10-alkyl, C3-C10-cycloalkyl, arylalkyl, or trialkylsilyl; and (c) an activator or co-catalyst.

Abstract: A catalyst composition including: (a) a chromium compound; (b) a ligand of the general structure R1R2P—N(R3)—P(R4)—NR5R6 or??(A) R1R2P—N(R3)—P(XR7)R8 or R1R2P—N(R3)—P(XR7)2, with X?O or S,??(B) wherein R1, R2, R3, R4, R5, R6, R7 and R8 are independently C1-C10-alkyl, C6-C20-aryl, C3-C10-cycloalkyl, aralkyl, alkylaryl, or trialkylsilyl, or any cyclic derivatives of (A) and (B), wherein at least one of the P or N atoms of the PNPN-unit or PNP-unit is a member of the ring system, the ring system being formed from one or more constituent compounds of structures (A) or (B) by substitution; and (c) an activator or co-catalyst; and a process for tri- and/or tetramerization.

Abstract: A method for processing an oligomerization product stream includes discharging the oligomerization product stream from an oligomerization reactor through a product outlet line, and heating the oligomerization product stream, heating a wall of the product outlet line, or both. The oligomerization product stream includes solvent, linear alpha olefins, a polymer byproduct, or a combination of at least one of the foregoing. The heating is to a temperature that is greater than the melting temperature of the polymer byproduct present in the oligomerization product stream.

Abstract: Method for detecting a tilt fall or a risk of a tilt fall, proposed with the following steps: detecting a center of gravity position of a center of gravity of the human which represents an actual center of mass of the human or an approximation to it, detecting a position of a standing basis of the human or an approximation to it, detecting connection information regarding a spatial connection between the center of gravity and the standing basis, comprising the steps detecting an angular position of at least one lower leg of a leg to the associated thigh and the angular position of the same thigh to the torso and calculating a relative position of an ankle or at least a part of a foot or a footwear of the leg in relation to the center of gravity as connection information, wherein the angular positions between the lower leg and thigh as well as between thigh and torso as well as lengths of the lower leg and the thigh as well as a relative position between the hip joint of the leg and the torso are used, and der

Abstract: An array of recessed access gate lines includes active area regions having dielectric trench isolation material there-between. The trench isolation material comprises dielectric projections extending into opposing ends of individual active area regions under an elevationally outermost surface of material of the active area regions. The active area material is elevationally over the dielectric projections. Recessed access gate lines individually extend transversally across the active area regions and extend between the ends of immediately end-to-end adjacent active area regions within the dielectric trench isolation material. Other arrays are disclosed, as are methods.

Abstract: An electric shielding contact device in the form of a hollow cylinder that has a contact section and a crimping section. The contact section serves to electrically contact the electric shielding contact device with an electric counter contact. The crimping section serves to attach the electric shielding contact device to an electrical cable upon crimping of the crimping section and has a gaping opening shaped and sized to become a slit when the crimping section of is crimped and the electric shielding contact device attached to the electrical cable.

Abstract: An array of recessed access gate lines includes active area regions having dielectric trench isolation material there-between. The trench isolation material comprises dielectric projections extending into opposing ends of individual active area regions under an elevationally outermost surface of material of the active area regions. The active area material is elevationally over the dielectric projections. Recessed access gate lines individually extend transversally across the active area regions and extend between the ends of immediately end-to-end adjacent active area regions within the dielectric trench isolation material. Other arrays are disclosed, as are methods.

Abstract: The present invention relates to a process for the oligomerization of ethylene, comprising: a) oligomerization of ethylene in a reactor in the presence of solvent and catalyst; b) transferring reactor overhead effluent to an externally located cooling device and recycling condensed effluent into the reactor; c) transferring the reactor bottom effluent to a series of fractionation columns and, in the following order, i) optionally separating a C4 fraction, ii) separating a C6 fraction, iii) simultaneously separating C8 and C10 fractions and recycling thereof into the reactor , and iv) separating residues comprising ?C12 fractions, spent catalyst polymer material and quench media, from the process, wherein the solvent is separated in any of the steps i)-iv)and/or in an additional step.

Abstract: A substrate holder having a base plate where a plurality of protruding poles is arranged, said poles spaced apart from one another by intermediate spaces. Alternatively or in addition, a plasma reactor for depositing diamond from the gas phase may be provided, the plasma reactor comprising such a substrate holder. A method for depositing diamond from the gas phase may be provided.