[Determination of eight ultraviolet absorbers in surface water and wastewater by ultra performance liquid chromatography-triple quadrupole mass spectrometry]. [PDF]
Sun HJ +5 more
europepmc +1 more source
Automatic locking bolt device for underwater robot
本实用新型涉及水下机器人施放或回收过程中的起吊部件,具体地说是一种水下机器人用自动锁栓装置,包括锁栓体、复位弹簧及锁栓块,其中锁栓体中间开有供起吊点插入的中空通道,该中空通道轴向截面的两侧分别设有相对称的锁栓块,所述锁栓块铰接于锁栓体上,一端为与起吊点抵接的工作端,另一端与所述复位弹簧的一端连接,该复位弹簧的另一端铰接于锁栓体上;在锁栓体的顶部设有连接起吊缆的吊耳。本实用新型通过锁栓块的翻转将起吊点锁住或与起吊点解锁,水下机器人回收过程中,可通过复位弹簧的弹力自动锁住,无需潜水员参与 ...
任福琳 +3 more
core
[Analysis of the prevalence and influencing factors of myopia among primary and secondary school students in Inner Mongolia Autonomous Region in 2022]. [PDF]
Lu L +11 more
europepmc +1 more source
本发明公开了一种硝普钠在控制蓝藻水华中的应用,其步骤是:A、将硝普钠溶于自来水配成浓度为20mM的水溶液;B、将步骤A中配制好的硝普钠溶液以0.5%-1%的体积比均匀投加到水华蓝藻爆发的集中区域,藻类出现群体性消亡。硝普钠对水华蓝藻具有显著的杀灭作用,200μM的硝普钠溶液对中重度富营养化水体(藻密度约为1×106cells/L)的抑藻率高达80%。硝普钠释放一氧化氮是一个缓慢的过程,其控制藻类生长具有持久性。通过硝普钠缓慢分解产生一氧化氮进而引起藻类的死亡,控制了藻类水华发展和恶化 ...
徐栋 +7 more
core
[Determination of 31 perfluoroalkyl and polyfluoroalkyl substances in water by ultra performance liquid chromatography-triple quadrupole mass spectrometry combined with direct injection]. [PDF]
Yang C +6 more
europepmc +1 more source
采用固相萃取-气相色谱-质谱法(GC-MS)测定污水中辛酚(OP)、壬酚(NP)、双酚A(BPA)、己烯雌酚(DES)、雌酮(E1)、17β-雌二醇(E2)、17α-乙炔雌二醇(EE2)和雌三醇(E3)8种具有雌激素活性的化合物.被测组分的加标回收率为(65.4±4.0)%~(110.0±4.5)%,检出限为1.0~7.5 ng/L(相对标准偏差为5.2%~15.6%).经检测,武汉某城市污水处理厂进水中的目标化合物(除EE2外)浓度为6.5~8 954.9 ng/L;除EE2和E3外,出水中的浓度为3.
徐盈, 金士威, 廖涛, 惠阳
core
[Determination of 40 carbonyl compounds in ambient air by high performance liquid chromatography-triple quadrupole mass spectrometry]. [PDF]
Li GH +8 more
europepmc +1 more source
[Petroleum ether fraction of <i>Myrica nana</i> roots relieves spasmodic abdominal pain in mice by inhibiting intestinal smooth muscle spasm]. [PDF]
Yang S +8 more
europepmc +1 more source
[ZEB2 promotes glioblastoma progression by reprogramming lipid metabolism through the CYLD/FASN axis]. [PDF]
Chen Z, Chai P, Mao Y, Liu R, Song Y.
europepmc +1 more source
[Determination of six whitening ingredients in cosmetics by ultra performance liquid chromatography coupled with photodiode array detector and corona charged aerosol detector]. [PDF]
Li X +8 more
europepmc +1 more source

