硫

The method can be applied to copper bismuth mine in the determination of arsenic.

能够较好地实现铜砷及铜硫的分离。

Molybdenine in the ore is of 2H_1 type andRe content is low Bismuthinite is the most abundant bismuth minera...

辉铋矿是所有含铋矿物中最大量的矿物，而自然铋、辉铅铋矿、斜方辉铅铋矿、针硫铋铅矿和辉碲铋矿则很少量。

Bismuth minerals and their relationship with gold mineralization are studied by means of reflect light microscope and electron probe microscope.The results show that bismuth, bismuthinite are main bismuth minerals in the two mines.

矿相学鉴定和电子探针分析结果表明，两矿床中的铋矿物以自然铋、辉铋矿为主，其次为碲铋矿、硫铜铋矿、辉铋铅矿等；铋矿物作为主要载金矿物，与自然金紧密共生；包村矿区Bi-Au相关系数为0.69，铋矿物与金矿化关系非常密切。

The synthesis of gold and platinum nanoparticles by the reduction of their salts with potassium bitartrate as the reductant and poly (N-vinyl-2-pyrrolidone) or 3. 3-thiodipropionic acid as the capping agent has been studied.

对以聚和3，3—硫代二丙酸为覆盖试剂通过酒石酸氢钾还原相应的金属盐制备金、铂纳米粒子作了研究。

Two approaches are employed to prepare thiocyanuric acid derivatized gold nanoparticles, including the direct reduction of gold ions by potassium bitartrate and NaBH〓 and then through ligand exchange reaction.

用两种不同方法合成了三聚硫氰酸衍生的金纳米粒子，包括由酒石酸氢钾直接还原金离子及NaBH〓还原金离子后经配体交换反应。

All results showed that three kinds of medicament on controlling sweetpotato black rot is effective, the control effect of 70% thiophanate-methyl and 50% carbendazim were above 90%, 50% amobam was above 80%. The four kinds of medicament on controlling sweetpotato stem nematode with 40% isofenphos-methyl, 50% phoxim, 5% aldicarb and 5% ethoprophos in the field showed obvious effect, the control effect were 88.81%, 83.29%, 93.63% and 90.35%.

在贮藏期间对甘薯黑斑病的药剂防治试验中，70%甲基托布津、50%多菌灵和50%代森铵三种药剂对甘薯黑斑病均有较好的防治效果，70%甲基托布津和50%多菌灵的防治效果达90%以上，50%代森铵的防治效果达80%以上；在田间对甘薯茎线虫病的药剂防治试验中，40%甲基异柳磷、50%辛硫磷、5%神农丹和5%茎线灵四种药剂对甘薯茎线虫病的防治效果明显，防效分别为88.81%、83.29%、93.63%和90.35%。

Technically, the PPS is a full-automatic only weapon, based on simple blowback principle, and is fired from the open bolt.

从技术上说，聚苯硫醚是一种全自动的唯一武器，基于简单的反作用原则，从开放的螺栓开枪。

The small band gap and the large Bohr radius of lead chalcogenides enable unique optical, electrical, and chemical properties, presenting this family of materials as a good candidate for potential applications in solar cells, thermoelectric devices, telecommunication, field effect transistors and biological imaging.

IV-VI族铅的硫属化合物半导体纳米材料，由于他们较小的能带间隙和较大的激子波尔半径，这类材料在太阳能电池，热电器件，电子通信，场效应晶体管，生物成像技术上有很广泛的潜在应用价值。

Against the summer to prevent worms in poorly ventilated environment prone to scale insects, 5% Bordeaux mixture to prevent, or 1% and 25% omethoate EC Phosmet 1000 times for spraying.

防止病虫危害夏天，在通风不良的环境下容易发生介壳虫，用5％波尔多液预防，或用1％氧化乐果和25％亚胺硫磷乳油1000倍液进行喷洒。

The desulfurization over different metal boride s and the choices of suitable nickel salt precursor and amount of reducing reagent were conducted.

研究了噻吩类型硫在金属硼化物上的原位还原深度脱硫。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。