[ZHAO, Xijing 赵希景, ZHAO, Xijing 赵希景, XING, Chenguang 邢晨光, ZHAO, Xijing 赵希景, XING, Chenguang 邢晨光, HUANG, Zhiqiang 黄志强, ZHAO, Xijing 赵希景, XING, Chenguang 邢晨光, HUANG, Zhiqiang 黄志强, Room 236, No.2999 Dongfu Road, Dongfu Town, Haicang District Xiamen, Fujian 361000LIU, Wei 刘伟, ZHAO, Xijing 赵希景, XING, Chenguang 邢晨光, HUANG, Zhiqiang 黄志强, Room 236, No.2999 Dongfu Road, Dongfu Town, Haicang District Xiamen, Fujian 361000LIU, Wei 刘伟, GONG, Hongcan 龚宏灿] Room 236, No.2999 Dongfu Road, Dongfu Town, Haicang District 中国福建省厦门市海沧区东孚镇东孚大道2999号236室, Fujian 361000Xiamen, Fujian 361000 The present application provides are a Streptomyces psammoticus strain OMK-4 and a method for producing vanillin using the strain. The method includes the following steps: activating the strain, culturing the seed, fermenting, extracting, and so on. The method using ferulic acid as material to produce vanillin through microbial fermentation is safe and environmentally-friendly. The present application provides are a Streptomyces psammoticus strain OMK-4 and a method for producing vanillin using the strain. The method includes the following steps: activating the strain, culturing the seed, fermenting, extracting, and so on. The method using ferulic acid as material to produce vanillin through microbial fermentation is safe and environmentally-friendly.

[LIU FUJIAN, GUO SHENG, LIU JING, WANG HONGJIE, LIU DUXIN, LI WEI, QU HAIBO, JIA YUZHOU, YANG XINHUA, LI YUTING, ZHANG RUIHANG, CHEN GUANGRONG, ZHANG MINGMING, GAO PENG, ZHANG JINHE] CN;CN

[Kai GUO, Zheng FANG, Yiping HUANG, Wei HE, Hong QIN, Changhai YUE, Chengkou LIU, Fujian LIU, Jindian DUAN, Jingjing HUANG, Jiangkai QIU] CN Nanjing An epoxidized vegetable oil is subjected to a first ring-opening reaction with an acidic catalyst and a β-mercaptoalcohol compound to obtain a first reaction solution, and then the first reaction solution is subjected to a second ring-opening reaction with a cyclohydrocarbyl methanol compound to obtain the vegetable oil polyol, which adopts novel ring-opening reagents to introduce an antioxidant sulfur-containing fragment into the molecular structure of the vegetable oil polyol in a covalent manner, while also introducing a cyclohydrocarbyl group and retaining a small portion of epoxy groups, thereby ensuring that a polyurethane product has a certain degree of toughness, in addition to relatively good corrosion resistance and oxidation resistance, while guaranteeing the mechanical properties of the polyurethane material.

[Daobing Wang, Bo Yu, Haiyan Zhu, Fujian Zhou, Dongliang Sun, Xiongfei Liu, Tiankui Guo, Xiuhui Li, Xuanhe Tang, Xian Shi, Qing Liu, Yu Suo, Yang Shi] CN Beijing The present disclosure relates to a method and a device for predicting ability of a temporary plugging agent to plug cracks and a storage medium, and includes the following steps: calculating a plane elastic modulus of a core through experiments, acquiring a maximum force load of a specimen, calculating rock fracture toughness through the maximum force load, manufacturing an artificial crack model and placing it in a core holder, preparing temporary plugging deflection fluid by selecting a temporary plugging agent, injecting the temporary plugging deflection fluid into the artificial crack so as to calculate apparent fracture toughness of the temporarily plugged crack, and finally calculating a fracture pressure of the temporarily plugged crack based on the calculated rock fracture toughness and the plane elastic modulus of the core. Through the above method, the present disclosure provides a standard fracture pressure calculation method.

[Feiyan WU, Guokai JIANG, Xuebin SHAO, Hang SUN, Xiaodi TIAN, Bowei ZOU, Anlu YUAN, Fujian HE, Chun LI, Rupeng DOU, Jiaxu FENG, Dandan WU, Yu WANG, Zhiqiang Yang, Shasha TANG, Jiaoyang LIU, Mengdan WANG, Xiucheng LI, Xiaolong ZHAO, Jinna FAN, Quan WEN, Fenghe LIU, Dongdong WU] CN Tianjin The present application relates to the field of data consistency testing, and provides a method and device for testing vehicle data consistency in V2X. The method includes: collecting vehicle V2X test data transmitted based on a V2X-PC5 communication protocol; parsing the V2X test data, and determining whether a format and a data value of parsed data conform to a preset definition, and whether the parsed data is consistent with operating data in testing, to obtain a data structure consistency result; calculating an average error value between dynamic data in the parsed data and data collected by a high-precision inertial navigation device when time stamps are aligned and data sampling frequencies are the same; and according to the data structure consistency result and the average error value, determining whether vehicle data conforms to a preset consistency standard.

[KAI GUO, ZHENG FANG, JUNJIE TAO, REN MA, WEI HE, KEQUAN CHEN, XIN WANG, CHANGZHU CHEN, HUIXIN TAO, WEIMIN TAN, PINGKAI OUYANG, FUJIAN LIU, YIPING HUANG] CN

[LIU FUJIAN] A mechanism for adjusting the rotational direction and speed of the inner and outer rings of a rolling bearing, comprising: a base (103), a main bearing set (100, 130) penetrating through the base (103), a plurality of supporting rolling bearings (104, 105, 106) mounted on the base (103) and located around the main bearing set (100, 130), and a drive mechanism; the main bearing group (100, 130) comprises at least one main bearing (101, 131), the main bearing (101, 131) comprising an inner ring (101E, 111) and an outer ring (101A, 112), the inner ring (101E or 111) being connected to the shaft (102). In the application of a contact bearing, the mechanism further comprises a plurality of rolling assemblies (101D), while in the application of a non-contact bearing, the mechanism further comprises a fluid (115). Adding a drive mechanism to a rolling bearing allows the inner and outer rings of the bearing to perform proper rotation.

[LIU FUJIAN] TW A mechanism for adjusting the rotation direction and the speed of an inner ring and an outer ring of a rotary bearing is provided. The mechanism includes a base, a main bearing module being through the base, multiple supporting rotary bearings mounted on the base and surrounded the main bearing module, and a transmission mechanism. In the application for contact type bearing, it also includes multiple rolling elements. In the application for non-contact type bearing, it also includes a fluid. The present invention provides with the transmission mechanism to connect with the main bearing module to make the inner ring and the outer ring rotate properly.

[KAI GUO, ZHENG FANG, WEI HE, PINGKAI OUYANG, FUJIAN LIU, YIPING HUANG, CHANGZHU CHEN, REN MA] CN

[LIU, Chang, DENG, Fujian] CN,Shenzhen, Guangdong 518045,Floor 13 Phase B, Tengfei Industrial Building Futian Free Trade Zone;