<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>知识库_稀金新材网</title><link>http://www.xitu17.com/down/</link><pubDate>2026-05-07 17:19:10</pubDate><item id="100215"><title><![CDATA[北路智控-买入煤矿智能化领军企业，AI 加速行业减人提效.pdf]]></title><link>http://www.xitu17.com/down/</link><description><![CDATA[]]></description><pubDate>2024-03-13 16:17:34</pubDate></item><item id="100214"><title><![CDATA[CREEP RESISTANT DIE-CASTING MAGNESIUM ALLOY WITH HIGH STRENGTH]]></title><link>http://www.xitu17.com/down/show-100214.html</link><description><![CDATA[PROBLEM TO BE SOLVED :  To provide a creep resistant magnesium alloy which facilitates casting,  has high strength,  shows superior strength,  hardness and metal mold castability as well,  because of keeping a high aluminum content in the alloy,  and furt]]></description><pubDate>2023-12-22 16:56:39</pubDate></item><item id="61309"><title><![CDATA[MULTIMODE FIBER]]></title><link>http://www.xitu17.com/down/show-61309.html</link><description><![CDATA[A monolithic fiber is configured with a double bottleneck-shaped multimode (MM) core capable of supporting substantially only a fundamental mode at a given wavelength and having opposite end regions,  frustoconically shaped transformer regions,  which run]]></description><pubDate>2023-12-22 16:43:15</pubDate></item><item id="54716"><title><![CDATA[Food additives comprising extract of Cuscuta japonica Chois showing an inhibitory effect of bone res]]></title><link>http://www.xitu17.com/down/show-54716.html</link><description><![CDATA[PURPOSE :  A food additive having an osteoclast activity inhibitory effect inhibiting differentiation of osteoclast and Cathepsin K,  TNFa,  IL-6 expression of osteoclast is provided to relieve bone diseases.CONSTITUTION :  A food additive for reducing an]]></description><pubDate>2023-12-22 16:42:57</pubDate></item><item id="49981"><title><![CDATA[Physical and Chemical Coupled Remediation Method For Removing Metal Contaminants From Soil,  And Dev]]></title><link>http://www.xitu17.com/down/show-49981.html</link><description><![CDATA[PURPOSE :  A complex purification process for purifying soil contaminated by heavy metals adapted not to use acid in a chemical extracting process but to use an environment-friendly detergent like a dispersing agent etc. is provided,  along with a device ]]></description><pubDate>2023-12-22 16:29:52</pubDate></item><item id="76402"><title><![CDATA[利用工业废物制备稀土铈改性无机高分子絮凝剂的方法]]></title><link>http://www.xitu17.com/down/show-76402.html</link><description><![CDATA[本发明公开了一种制备稀土铈改性无机高分子絮凝剂的方法，是以含有铁盐和铝盐 物料的高炉瓦斯灰和炼铝灰渣为主要原料，加入稀土化合物，加热合成获得。本发明合 成的产品是稀土改性后的复合型铁铝聚合物，兼有铝盐类和铁盐类絮凝剂的特性，具有 优良的净水性能和广泛的应用范围。本发明不仅对钢厂废物和铝厂废物的综合利用提供 了一条可形途径，同时为絮凝剂生产提供了一条原料廉价的工艺路线，达到了以废治废 的目的，取得了良好的经济效益、社会效益和环境效益。]]></description><pubDate>2023-12-22 16:27:07</pubDate></item><item id="72119"><title><![CDATA[INSPECTION DEVICE OF RARE TIRE CONDITION AND METHODS THEREOF]]></title><link>http://www.xitu17.com/down/show-72119.html</link><description><![CDATA[PURPOSE :  An apparatus and a method for inspecting a half-finished tire are provided to obtain the information on the presence and the absence of the centering,  the snaking,  the overlap and the open gap and the degree of the open gap of a half-finished]]></description><pubDate>2023-12-22 16:25:20</pubDate></item><item id="77830"><title><![CDATA[DIELECTRIC PORCELAIN COMPOSITION AND ELECTRONIC COMPONENT]]></title><link>http://www.xitu17.com/down/show-77830.html</link><description><![CDATA[PROBLEM TO BE SOLVED :  To provide a dielectric porcelain composition and electronic components to be used for medium to high voltages with high rated voltages,  having a high dielectric constant and excellent DC bias characteristics,  electrostriction ch]]></description><pubDate>2023-12-22 16:23:41</pubDate></item><item id="66753"><title><![CDATA[METHOD OF MANUFACTURING RARE EARTH ANISOTROPIC MAGNET]]></title><link>http://www.xitu17.com/down/show-66753.html</link><description><![CDATA[PROBLEM TO BE SOLVED :  To provide a method of manufacturing a rare earth anisotropic magnet,  which improves anisotropy of individual power particles prepared by the HDDR process to improve the magnetic property.SOLUTION :  The method of manufacturing a ]]></description><pubDate>2023-12-22 16:23:14</pubDate></item><item id="80231"><title><![CDATA[CEMENTED CARBIDE]]></title><link>http://www.xitu17.com/down/show-80231.html</link><description><![CDATA[PROBLEM TO BE SOLVED :  To provide a cemented carbide having high strength and reduced in the variation of the strength.
    SOLUTION :  The cemented carbide has a composition comprising,  by weight,  0.0001 to 0.002% Al,  0.0001 to 0.002% Ca,  0.0002 to ]]></description><pubDate>2023-12-22 16:21:16</pubDate></item><item id="11448"><title><![CDATA[Fine-grained Nd—Fe—B magnets having high coercivity and energy density]]></title><link>http://www.xitu17.com/down/show-11448.html</link><description><![CDATA[Magnets and methods of making the magnets are disclosed. The magnets may have high coercivity and may be suitable for high temperature applications. The magnet may include a plurality of grains of a Nd—Fe—B alloy having a mean grain size of 100 to 500 nm.]]></description><pubDate>2023-12-22 16:15:43</pubDate></item><item id="58901"><title><![CDATA[R-T-B SINTERED MAGNET]]></title><link>http://www.xitu17.com/down/show-58901.html</link><description><![CDATA[An R-T-B based sintered magnet according to the present invention comprises :  12 at% to 17 at% of a rare-earth element R;  5.0 at% to 8.0 at% of boron B;  0.02 at% to 0.3 at% of Mn;  and a transition metal T as the balance. The rare-earth element R is at]]></description><pubDate>2023-12-22 16:12:53</pubDate></item><item id="62462"><title><![CDATA[Ni-BASED MONOCRYSTALLINE SUPERALLOY AND TURBINE BLADE]]></title><link>http://www.xitu17.com/down/show-62462.html</link><description><![CDATA[The present invention provides a Ni-based single crystal superalloy which has the following composition by weight :  0.1 wt% or more and 9.9 wt% or less of Co,  5.1 wt% or more and 10.0 wt% or less of Cr,  1.0 wt% or more and 4.0 wt% or less of Mo,  8.1 w]]></description><pubDate>2023-12-22 16:10:26</pubDate></item><item id="49863"><title><![CDATA[POLISHING GRINDSTONE AND METHOD OF MANUFACTURING THE SAME]]></title><link>http://www.xitu17.com/down/show-49863.html</link><description><![CDATA[PROBLEM TO BE SOLVED :  To provide a polishing grindstone 1 which has stable polishing performance while minimizing the consumption of an abrasive material made of a rare mineral.
    SOLUTION :  A polishing grindstone is constituted by winding a buff 8 f]]></description><pubDate>2023-12-22 16:06:08</pubDate></item><item id="93725"><title><![CDATA[METHOD FOR PRODUCING RARE EARTH SINTERED MAGNET]]></title><link>http://www.xitu17.com/down/show-93725.html</link><description><![CDATA[PROBLEM TO BE SOLVED :  To provide a method for producing a rare earth sintered magnet by which a high magnetic property can be kept while improving the strength of a molding regardless of a lubricant to increase a working yield.
    SOLUTION :  The metho]]></description><pubDate>2023-12-22 15:58:52</pubDate></item><item id="83825"><title><![CDATA[一种水溶性稀土纳米材料的微乳液合成方法]]></title><link>http://www.xitu17.com/down/show-83825.html</link><description><![CDATA[本发明属于纳米材料技术领域，具体涉及一种水溶性稀土纳米材料的微乳液合成方法。该方法先以非极性有机溶剂、表面活性剂、助表面活性剂、水溶液来制备三种反相微乳体系。其中第一种微乳液的水相为稀土化合物水溶液，第二种微乳液的水相为氟化物或磷酸盐或钒酸盐水溶液，第三种微乳液的水相为双功能有机配体水溶液。三种微乳体系分别搅拌0.1－5小时。随后将第一种微乳液和第二种微乳液混合，在0－100℃搅拌0.1－10小时，再将第三种微乳液加入以上混合溶液，在0－100℃搅拌0.1－30小时。反应结束后，加入丙酮破乳，再高速离心，]]></description><pubDate>2023-12-22 15:58:06</pubDate></item><item id="18991"><title><![CDATA[稀土镁合金焊丝材料及其制备方法]]></title><link>http://www.xitu17.com/down/show-18991.html</link><description><![CDATA[一种稀土镁合金焊丝材料，其特征在于该材料的合金元素组成及其重量配比如下：Y为2.2～12.4％，Zn为1.5～5.5％，Zr为0.2～0.95％，Si≤0.02％，Cu≤0.03％，Fe≤0.01％，Ni≤0.007％，杂质总含量≤0.30％。本发明还公开了该稀土镁合金焊丝材料的制备方法。与现有技术相比，本发明的优点在于：获得的稀土镁合金焊丝材料大大提高了稀土镁合金的焊接强度，并有利于稀土镁合金的应用。]]></description><pubDate>2023-12-22 15:52:16</pubDate></item><item id="28055"><title><![CDATA[一种二硫代氨基甲酸·特丁基对苯二酚合稀土配合物橡胶配合剂]]></title><link>http://www.xitu17.com/down/show-28055.html</link><description><![CDATA[一种二硫代氨基甲酸·特丁基对苯二酚合稀土配合物橡胶配合剂，属于多效的硫化配合剂技术领域。该橡胶配合剂由稀土金属离子与二硫代氨基甲酸盐、特丁基对苯二酚配合而成，其中稀土金属离子包括镧、铈、镨、钕、钐、铕、钆、铽、镝、钬、铒、铥、镱、镥。这种双配体稀土配合物可同时作为硫化促进剂和橡胶防老剂使用，不仅具有良好的硫化特性，增强橡胶复合材料的综合物理机械性能，还可以起到抗老化的效果，延长制品使用寿命。此外，该双配体稀土配合物在硫化过程，不会产生对人体有害的物质，清洁无污染，是一种新能环保的橡胶助剂。]]></description><pubDate>2023-12-22 15:47:41</pubDate></item><item id="40432"><title><![CDATA[盐酸分解中低品位磷矿制造饲料磷酸钠钙的方法]]></title><link>http://www.xitu17.com/down/show-40432.html</link><description><![CDATA[一种以盐酸分解中低品位磷矿，制造饲料级磷酸钠钙的方法，是先生成氯磷酸钙，将其净化再与食盐拌合在800-1200℃焙烧而成。产生的氯化钙以硫酸分解，制成硫酸钙晶须材料，产生的HCl循环使用，从封闭循环的盐析母液中富集和提取磷矿中的稀土、碘和铀等伴生元素。]]></description><pubDate>2023-12-22 15:44:28</pubDate></item><item id="15391"><title><![CDATA[一种无稀土低成本高效率曳引机]]></title><link>http://www.xitu17.com/down/show-15391.html</link><description><![CDATA[本实用新型公开了一种无稀土低成本高效率曳引机，包括转子冲片主体，所述转子冲片主体的侧面设有耐磨耐高温材质的转子承重壳、耐磨缓冲层和转子冲片齿，所述耐磨缓冲层嵌入设置于转子承重壳中，且所述转子冲片齿的端部与转子承重壳紧密焊接，所述转子冲片齿的侧面设有耐磨材质的转子固定端头和防滑槽，且所述转子冲片齿与转子固定端头紧密焊接，所述防滑槽嵌入设置于转子固定端头内，该种无稀土低成本高效率曳引机，设有转子冲片齿，且转子冲片齿均匀分布于转子冲片主体中，能够有效的减小电机与转子冲片主体之间的摩擦噪音，提高了转子冲片主体的实]]></description><pubDate>2023-12-22 15:35:18</pubDate></item><item id="76813"><title><![CDATA[Magnetic closure catch for inset doors]]></title><link>http://www.xitu17.com/down/show-76813.html</link><description><![CDATA[A magnetic closure assembly for inset cabinet doors,  the assembly including a magnet,  preferably a rare earth magnet embedded in a bore in the cabinet door and overlayed with a resilient cushion element or damper which is interposed between the rare ear]]></description><pubDate>2023-12-22 15:32:05</pubDate></item><item id="61257"><title><![CDATA[一种汽车同步器用齿环合金材料]]></title><link>http://www.xitu17.com/down/show-61257.html</link><description><![CDATA[本发明公开了一种汽车同步器用齿环合金材料，所述合金材料包含元素的质量百分比为Cu51.0-63.0%、Sn0.1-0.9%、Ti0.5-1.2%、Zr0.01-0.08%、B0.005-0.08%、Sb0.02-0.06、Ni0.2-4.3%、Mn1.0-5.0%、Fe0.5-1.5%、Si0.3-1.6%、Al1.3-6.0%、Pb0.1-1.0%、稀土0.05-0.20%，杂质总量不大于0.05%，余量为锌。本发明通过多组元合金化-多级热处理和高温固溶-双级时效工艺，实现齿环合金多相、多尺度强韧化，使]]></description><pubDate>2023-12-22 15:28:59</pubDate></item><item id="93167"><title><![CDATA[Rare earth-iron-nitrogen alloy powder and its manufacturing method]]></title><link>http://www.xitu17.com/down/show-93167.html</link><description><![CDATA[PROBLEM TO BE SOLVED :  To stably increase the coercive force of the alloy powder and to reduce the dispersion thereof by executing drying in such a manner that the powder is heated to a specifid range in an evacuated state. SOLUTION :  As the raw materia]]></description><pubDate>2023-12-22 15:23:21</pubDate></item><item id="70761"><title><![CDATA[一种铌酸盐发光材料及其制备方法]]></title><link>http://www.xitu17.com/down/show-70761.html</link><description><![CDATA[本发明属于稀土元素的发光材料领域，公开了一种铌酸盐发光材料，其化学通式为Ln2-xEuxScNbO7；其中，Ln为Gd、Y、La、Lu中的一种或几种；x的取值范围为0＜x≤1.5。本发明还公开了一种铌酸盐发光材料的制备方法。与现有技术相比，本发明制备的铌酸盐发光材料稳定性好，其制备方法，具有操作简单、无污染、工艺条件易控制、制备温度低等优点，节约能源，利于工业化生产。]]></description><pubDate>2023-12-22 15:06:21</pubDate></item><item id="57449"><title><![CDATA[METHOD OF THE SURGICAL TREATMENT OF MULTICHAMBER ECHINOCOCCOSIS OF THE LIVER]]></title><link>http://www.xitu17.com/down/show-57449.html</link><description><![CDATA[FIELD :  medicine.SUBSTANCE :  invention relates to medicine,  namely to surgery,  and can be used in surgical treatment of patients with multilocular echonococcosis of liver. For this purpose transcutaneous drainage of cyst with further aspiration of its]]></description><pubDate>2023-12-22 15:03:06</pubDate></item><item id="63098"><title><![CDATA[SCINTILLATING MATERIAL HAVING LOW AFTERGLOW]]></title><link>http://www.xitu17.com/down/show-63098.html</link><description><![CDATA[The invention relates to a scintillator material comprising a cerium-doped rare-earth silicate,  characterized in that its absorbance at a wavelength of 357 nm is less than its absorbance at 280 nm. This material has an afterglow of generally less than 20]]></description><pubDate>2023-12-22 14:59:38</pubDate></item><item id="72699"><title><![CDATA[用于热管的铁素体不锈钢和钢板，及热管和高温废热回收系统]]></title><link>http://www.xitu17.com/down/show-72699.html</link><description><![CDATA[提供一种用于高温废热回收系统的热管的铁素体不锈钢，其按质量％计包含，16-32％的Cr，最多0.03％的C，最多0.03％的N，最多3％的Si，最多2％的Mn，最多0.008％的S，0-0.3％的Al，以及选自最多0.7％的Nb、最多0.3％的Ti、最多0.5％的Zr和最多1％的V中的至少一种，并可选地包含选自最多3％的Mo、最多3％的W、最多3％的Cu、最多0.1％的Y、最多0.1％的REM(稀土金属)和最多0.01％的Ca中的至少一种，余量的铁和不可避免的杂质，并且它至少满足下面式(1)、式(2)和式]]></description><pubDate>2023-12-22 14:50:15</pubDate></item><item id="31664"><title><![CDATA[一种铈改性聚磷氯化铝铁的配方及制备方法]]></title><link>http://www.xitu17.com/down/show-31664.html</link><description><![CDATA[本发明属于絮凝剂技术领域，具体涉及一种铈改性聚磷氯化铝铁的制备方法。制备方法为：首先将一定量的铝酸钙加入到容器中，然后将盐酸缓慢加入到烧瓶中，打开搅拌器缓慢搅拌，在温度60℃时保温6小时。然后称取一定量的氯化铁、Na2HPO4、氯化亚铈依次加入上述溶液中，进行缓慢搅拌，反应20分钟后，在80℃下保温8小时，生成铈改性聚磷氯化铝铁。经稀土元素铈改性后的聚磷氯化铝铁的絮凝性能优于市售的商品聚合氯化铝。]]></description><pubDate>2023-12-22 14:25:13</pubDate></item><item id="95881"><title><![CDATA[Optical responsive element]]></title><link>http://www.xitu17.com/down/show-95881.html</link><description><![CDATA[The invention relates to an optically responsive element capable of altering incident light characterized in that it comprises one or more transparent,  paramagnetic elements that are responsive to a magnetic field and a means for providing the magnetic f]]></description><pubDate>2023-12-22 14:23:06</pubDate></item><item id="55173"><title><![CDATA[Catalyst for the synthesis of organic carbonates,  process for preparing the same and application th]]></title><link>http://www.xitu17.com/down/show-55173.html</link><description><![CDATA[The present invention relates to a catalyst for the synthesis of organic carbonates,  the preparation of the catalyst and the application of this catalyst in the synthesis of organic carbonates from reacting urea and hydroxyl group containing compounds. T]]></description><pubDate>2023-12-22 14:15:04</pubDate></item><item id="7697"><title><![CDATA[一种用于稀土加工用的破碎装置]]></title><link>http://www.xitu17.com/down/show-7697.html</link><description><![CDATA[本实用新型公开了一种用于稀土加工用的破碎装置，包括进料斗、破碎筒、转动轴、破碎叶装置和出料斗，转动轴上设有破碎叶装置，破碎叶装置包括上锁定套、下锁定套和打击叶片，上锁定套和下锁定套通过紧定螺钉固定连接转动轴，上锁定套和下锁定套在位置相对处设有U型槽，上锁定套和下锁定套之间放置有两组打击叶片，打击叶片的上下端设有棱块，棱块嵌入U型槽中，锁定套、下锁定套和打击叶片三者通过螺栓固定连接，本实用新型结构简明，占地面积小，通过上锁定套和下锁定套螺栓固定打击叶片，可以很好地提高打击叶片的安装强度，安装方便，破碎效率高]]></description><pubDate>2023-12-22 14:02:05</pubDate></item><item id="49498"><title><![CDATA[Diagnostic Marker Compounds And Their Use]]></title><link>http://www.xitu17.com/down/show-49498.html</link><description><![CDATA[The present Invention relates to the monitoring of biological substances,  such as non-invasive monitoring of such substances in animal,  for examples biomarkers and metabolites. Specifically,  the invention further relates to such monitoring using rare e]]></description><pubDate>2023-12-22 13:58:45</pubDate></item><item id="15264"><title><![CDATA[一种用于高强钢焊接的焊条及其制备方法和应用]]></title><link>http://www.xitu17.com/down/show-15264.html</link><description><![CDATA[本发明提供了一种用于高强钢焊接的焊条，包括焊芯和药皮，所述药皮由如下重量百分比的组分组成：CaCO3：34～48％，CaF2：13～23％，TiO2：4～9％，SiO2：4～8％，Mn：2～7％，Si‑Fe：4～10％，Ni：2～7％，Mo‑Fe：0.5～2.5％，C：0.1～0.8％，Na2CO3：0.5～2％，CMC：0.5～2％，稀土金属或其氧化物：1～2％，余量为铁粉及不可避免的杂质。该发明采用CaO‑CaF2‑TiO2‑SiO2型碱性渣系，有利于合金元素过渡和去除O、N、S、P等有害杂质，焊条焊]]></description><pubDate>2023-12-22 13:46:30</pubDate></item><item id="95271"><title><![CDATA[一种制丙烯用催化剂及制备方法和应用]]></title><link>http://www.xitu17.com/down/show-95271.html</link><description><![CDATA[一种制丙烯的催化剂及制备方法和应用，催化剂 组成为A－R/D，活性组分A为钨、钼和铼的氧化物中的至少 一种，其重量担载量为0.5－20％；R为稀土金属元素，其重 量担载量为0.1－15％；载体D为分子筛与氧化铝、氧化硅及 黏土等物质中的一种或几种的混合物。制备方法为：用含有稀 土金属元素的溶液浸渍载体，干燥并于400－850℃焙烧1－10 小时，然后对焙烧物用含有钼、钨和铼元素的溶液进行浸渍， 干燥并于400－850℃焙烧1－15小时，最后在300－650℃， 重时空速2－8h－1的条件下，100 ％水蒸]]></description><pubDate>2023-12-22 13:40:29</pubDate></item><item id="68121"><title><![CDATA[Powders for Rare Earth Magnets,  Rare Earth Magnets and Methods for Manufacturing the Same]]></title><link>http://www.xitu17.com/down/show-68121.html</link><description><![CDATA[A powder consists essentially by weight,  of 28.00≦R≦32.00%,  where R is at least one rare earth element including Y and the sum of Dy+Tb>0.5,  0.50≦B≦2.00%,  0.50≦Co≦3.50%,  0.050≦M≦0.5%,  where M is one or more of the elements Ga,  Cu and Al,  0.25 wt %]]></description><pubDate>2023-12-22 13:34:05</pubDate></item><item id="27664"><title><![CDATA[A PROCESS FOR THE SYNTHESIS OF DIALKYL CARBONATES]]></title><link>http://www.xitu17.com/down/show-27664.html</link><description><![CDATA[The patent discloses a process for the synthesis of dialkyl carbonates catalysed by a catalyst composition AB oxides,  wherein A and B are rare earth metals or A and B are combination of rare earth and transition metals with ratios ranging from 0.5 : 10 t]]></description><pubDate>2023-12-22 13:33:08</pubDate></item><item id="27474"><title><![CDATA[稀土离子掺杂的K2LaCl5微晶玻璃及其制备方法]]></title><link>http://www.xitu17.com/down/show-27474.html</link><description><![CDATA[本发明公开了一种稀土离子掺杂的K2LaCl5微晶玻璃及其制备方法，其摩尔百分组成为SiO2：20-30mol％、B2O3：25-35mol％、BaF2：14-20mol％、La2O3：6-10mol％、K2LaCl5：15-20mol％、LnCl3：1-5mol％，其中LnCl3为CeCl3、EuCl3、TbCl3、PrCl3、NdCl3、DyCl3中的一种，其制备方法是首先用熔融法制备出SiO2-B2O3-BaF2-La2O3-K2LaCl5-LnCl3系玻璃，经热处理后得到透明的K2LaCl5微晶玻璃]]></description><pubDate>2023-12-22 13:23:43</pubDate></item><item id="82742"><title><![CDATA[电镀酸洗用组合物和使用该组合物的电镀方法]]></title><link>http://www.xitu17.com/down/show-82742.html</link><description><![CDATA[一种电镀酸洗用组合物，其中，该组合物含有碳原子数为1－10的有机酸、该有机酸的碱金属盐以及酸洗缓蚀剂，所述酸洗缓蚀剂为六次甲基四胺和/或四甲基吡啶。经本发明的电镀方法处理的稀土合金具有优良的附着力，此外，本发明制得的稀土合金电镀产品的镀层的耐磨性明显优于现有技术制得的电镀产品。例如，本发明制得的稀土合金电镀产品的耐磨性均在2700圈以上，而现有技术制得的电镀产品的耐磨性仅为1500圈。]]></description><pubDate>2023-12-22 13:13:33</pubDate></item><item id="44775"><title><![CDATA[天然纳米材料凹凸棒土负载Cu-Fe基多组分催化剂及其制备方法和在低碳醇合成中的应用]]></title><link>http://www.xitu17.com/down/show-44775.html</link><description><![CDATA[本发明提供了一种天然纳米材料凹凸棒土负载Cu-Fe基多组分催化剂及其制备方法和在低碳醇合成中的应用。其表达式为CuaFebMc/ATP；其中助剂M是过渡金属元素、碱金属或者稀土元素中的一种或几种元素的组合；所述催化剂中负载的Cu、Fe和M占催化剂的总量分别为a、b和c，且a＝10～35％，b＝10～25％，c＝1～10％，其余为催化剂载体ATP。通过无机酸改性天然凹凸棒土原料制得具有较大比表面积的酸改性凹凸棒土，然后将其作为载体，在Cu、Fe及其他组分的金属盐混合水溶液中采用浸渍法负载制得。本发明凹凸棒土]]></description><pubDate>2023-12-22 13:06:43</pubDate></item><item id="57885"><title><![CDATA[Method for improving cleavage of DNA by endonuclease sensitive to methylation]]></title><link>http://www.xitu17.com/down/show-57885.html</link><description><![CDATA[(57) Abstract :  The present invention concerns novel methods for improving cleavage of DNA by rare-cutting endonucleases,  overcoming DNA modification constraints,  particularly DNA methylation,  thereby giving new tools for genome engineering,  par-  ti]]></description><pubDate>2023-12-22 13:05:01</pubDate></item><item id="2255"><title><![CDATA[一种稀土三氟化物LnF3薄膜及其制备方法]]></title><link>http://www.xitu17.com/down/show-2255.html</link><description><![CDATA[本发明公开了一种稀土三氟化物LnF3薄膜及其制备方法，包括以下步骤：以稀土硝酸盐的水溶液作为电沉积溶液，采用脉冲电压沉积法制备得到稀土层状氢氧化物薄膜；将氟化物溶解获得溶液，调节pH值；将所述稀土层状氢氧化物薄膜浸没于所述氟化物溶液中，进行置换反应，得到稀土三氟化物薄膜。本发明提供的制备方法反应条件温和、操作简单，制备得到的稀土三氟化物薄膜平整且均匀，薄膜附着度高，结晶性好。]]></description><pubDate>2023-12-22 12:39:30</pubDate></item><item id="5849"><title><![CDATA[METHOD FOR PREPARING CATALYST FOR POLYMERIZING CONJUGATED DIENES,  CATALYST,  AND METHOD FOR PREPARI]]></title><link>http://www.xitu17.com/down/show-5849.html</link><description><![CDATA[The present invention provides :  a method for preparing a catalyst useful in the preparation of a conjugated diene-based polymer,  the method preparing a catalyst by prepolymerizing a lanthanide rare-earth element-containing compound,  an alkylating agen]]></description><pubDate>2023-12-22 12:38:55</pubDate></item><item id="19597"><title><![CDATA[一种中强度铝合金导体架空绝缘电缆的制造方法]]></title><link>http://www.xitu17.com/down/show-19597.html</link><description><![CDATA[本发明公开了一种中强度铝合金导体架空绝缘电缆的制造方法，步骤一：连铸连轧；连铸连轧的工艺依次为铝锭熔炼－合金成份配置－浇铸－感应加热－轧杆－收杆；合金成份配置时控制保温炉内各元素质量百分数如下：Si：0.2～0.3wt％，Mg：在0.3～0.35wt％，Fe：在0.26～0.30wt％，Ti：在0.01～0.02wt％，稀土：0.09～0.12wt％，其余为铝和不可避免的杂质；在保温炉上设置五个测控点进行取样分析，每个测控点的样品取三个试样的平均值进行化学分析，元素的含量的绝对误差控制在0.004％的范围]]></description><pubDate>2023-12-22 12:37:56</pubDate></item><item id="61722"><title><![CDATA[Automatic Digital Vase]]></title><link>http://www.xitu17.com/down/show-61722.html</link><description><![CDATA[PURPOSE :  A digital flowerpot for setting the optimum environment for plants is provided to enable users to easily grow rare kinds of plants,  and to automatically water the plants.CONSTITUTION :  A digital flowerpot for setting the optimum environment f]]></description><pubDate>2023-12-22 12:37:32</pubDate></item><item id="58318"><title><![CDATA[ALUMINIUM ALLOY]]></title><link>http://www.xitu17.com/down/show-58318.html</link><description><![CDATA[An aluminum alloy,  comprising magnesium 4.5 to 6.5% by weight,  silicon 1.0 to 3.0% by weight,  manganese 0.3 to 1.0% by weight,  chromium 0.02 to 0.3% by weight,  titanium 0.02 to 0.2 % by weight,  zirconium 0.02 to 0.2% by weight,  one or more rare ear]]></description><pubDate>2023-12-22 12:34:35</pubDate></item><item id="84632"><title><![CDATA[抗硫中毒汽车尾气净化催化剂及其制备方法]]></title><link>http://www.xitu17.com/down/show-84632.html</link><description><![CDATA[本发明公开了一种抗硫中毒汽车尾气净化催化剂及其制备方法，它以堇青 石蜂窝陶瓷为基体，以Pd、Pt和Rh贵金属为主要活性组分，基体微孔和孔道 表面上涂敷一层由氧化铝粉、稀土金属、碱土金属、过渡金属和La-Y-Ce-Zr固 溶体组成的复合氧化铝涂层，复合氧化铝涂层重量占基体重量的15～25％，在所 述的复合氧化铝涂层上再浸渍一层由稀土金属和过渡金属组成的预浸层，得到 由基体、复合氧化铝涂层和预浸层构成的催化剂载体，再用含有活性组分Pd、 Pt和Rh贵金属的可溶性盐溶液浸渍催化剂载体，得到汽车尾气净化催化剂。该]]></description><pubDate>2023-12-22 12:24:04</pubDate></item><item id="37972"><title><![CDATA[锆合金用接触材料、采用该材料的过滤介质和浇道的制备方法]]></title><link>http://www.xitu17.com/down/show-37972.html</link><description><![CDATA[锆合金用接触材料、采用该材料的过滤介质和浇道的制备方法，锆合金用接触材料由陶瓷粉料和增强稳定剂制成，所述陶瓷粉料由MgO和ZrO2按摩尔比6-12 : 100组成，增强稳定剂按重量比为陶瓷粉料的0.5％-1％，所述增强稳定剂为富铈稀土。该接触材料、采用该材料的过滤介质和浇道可在锆合金熔铸和净化过程中避免与锆合金发生反应而污染锆合金，过滤介质具有良好的常温强度和高温强度，能够适应在净化过程中的温度变化，保证净化效果；过滤介质嵌入浇道中能保证所有锆合金熔体均无死角地被过滤介质拦截，提高净化效果。]]></description><pubDate>2023-12-22 12:21:05</pubDate></item><item id="58765"><title><![CDATA[Method of producing synthetic branches and their polyisoprenepolyol]]></title><link>http://www.xitu17.com/down/show-58765.html</link><description><![CDATA[Crosslinkable synthetic polyisoprene (I) with an elongation of 150% under a tensile stress of at least 0.4 MPa,  as measured by a defined test,  is new.  Crosslinkable synthetic polyisoprene (I) with an elongation of 150% under a tensile stress of at leas]]></description><pubDate>2023-12-22 12:16:19</pubDate></item><item id="25351"><title><![CDATA[非水电解质二次电池]]></title><link>http://www.xitu17.com/down/show-25351.html</link><description><![CDATA[本发明的一方式的非水电解质二次电池，其具备正极(1)、负极(2)和非水电解质，所述正极(1)具有含有在表面固着有稀土类的化合物的含锂过渡金属氧化物的正极活性物质，所述负极(2)具有负极活性物质，所述非水电解质添加有分子内具有P O键和P F键的锂盐和/或分子内具有B O键和B F键的锂盐。]]></description><pubDate>2023-12-22 12:15:07</pubDate></item><item id="63977"><title><![CDATA[METHOD AND APPARATUS FOR STERILIZING A BOOK]]></title><link>http://www.xitu17.com/down/show-63977.html</link><description><![CDATA[PURPOSE :  Book sterilizing method and apparatus are provided to efficiently implement the sterilization of books by preventing the re-sterilization of sterilized books.     CONSTITUTION :  A book sterilizing method includes the following;  information re]]></description><pubDate>2023-12-22 12:13:08</pubDate></item></channel></rss>