sulfide造句

1、Effects of solvent, sodium sulfide dosage, reaction time and reaction temperature in syn thesis of dibenzyl sulfide from benzyl chloride with sodium sulfide without catalyst were studied.

2、The testing methods for element sulfur, hydrogen sulfide, mercaptan sulfur, bisulfide, corrosive sulfide, total active sulfur and single active sulfide were reviewed.

3、sulfide-stress cracking

4、sulfide stress corrosion cracking

5、S-oxodiallyl sulfide

6、supergene alteration of sulfide deposit

7、Red mercuric sulfide used as a pigment.

8、The mineralization stages include: quartz, pyrite-quartz, pyrite veinlet, multi-metal sulfide and calcite-quartz. The multi-metal sulfide stage is the main mineralization stage among them.

9、The gold deposits in Uzbekistan may be divided into 4 industrial genetic types: gold quartz, gold sulfide quartz, gold sulfide and gold silver quartz types.

10、There was a typical "two-layer structure" in Dapingzhang Cu-polymetal deposit, which was composed of the upper massive sulfide orebody and lower veinlet-disseminated sulfide orebody.

11、Bacteria feed on this oil and release hydrogen sulfide gas.

12、The mineral galena is composed of lead sulfide.

13、The massive sulfide contains fragments of barren and mineralized gabbro , and schist.

14、Shaker concentrate containing a large number of sulfide ore, floating sulfur before floating scheelite.

15、The kinetic behavior of TGH-3Q carbonyl sulfide (COS) hydrolysis catalyst was studied.

16、Synthesis of rapeseed oil and sulfide cutting oil has the advantages of both with rapeseed oil, coefficient of friction, but also has high sulfide cutting oil extreme pressure characteristics.

17、This paper analyzes the shape of oxide inclusion, sulfide inclusion in sponge Iron.

18、Pyrrhotite, Pentlandite and chalcopyrite are main metallic minerals in cop-per-nickel sulfide deposits.

19、The barium hydroxide was produced by the reaction of raw material barium sulfide with the copper oxide in water.

20、Objective To compare the gene expression status of NB4 cells before and after arsenic sulfide treatment by cDNA microarray.

21、The oxide inclusions can be enveloped by sulfide inclusions thus improving machinability of B30 steel through calcium treatment.

22、But, he built a scintillation screen, which is essentially a cloth fiber that was covered with zinc sulfide.

23、From the point of view of bacteriology, the authors discuss the nature and mechanism of bacterial leaching of sulfide ores.

24、The resistance of nitrided J55 casing to sulfide stress cracking (SSC) was studied by C-ring testing and three-point bending testing under different conditions.

25、In the process of sour gas reservoir development, hydrogen sulfide usually causes corrosions and damages in oil line, casing pipe and drilling apparatus.

26、Researchers at the University of Maryland, College Park, together with the Walters Art Museum in Baltimore, are using nanotechnology to prevent that nasty sulfide tarnish from forming.

27、The proprietary AMSOIL additives form an iron-sulfide barrier coating on gear surfaces, providing the ultimate line of defense against wear, pitting and scoring.

28、Biological reduction of sulfate with sulfate-reducing bacteria (SRB) can chemically precipitate heavy metals and remove the insoluble metal sulfide at the same time.

29、Chondrules and inclusions in Allende are held together by the chondrite matrix, a mixture of fine-grained, mostly silicate minerals that also includes grains of iron metal and iron sulfide.

30、Aeration is customarily the first step in treatment for the removal of iron and manganese from well waters and a standard way to separate dissolved gases such as hydrogen sulfide and carbon dioxide.

31、The high combustion temperatures melt together the coal ash (largely silica and alumna) and calcium sulfide solids to form an inert slag that drains from the bottom of the boiler.

32、Finally, innovative use of spray made rapid alkaline liquid and hydrogen sulfide gas in the idea, and also the relevant parts of the sprinkler system and selection of parameters were calculated.

33、The oil leaked into sea or river may cause colonise of living things in sea or river fall and die. And its sulfide may cause corrosion to the body of a ship.

34、经过了20年的光*，旧填充物表面有95%的*元素已经发生了化学反应，它变成了黑辰砂(beta -mercury sulfide)，一种黑*的固体。

35、经过了20年的光*，旧填充物表面有95%的*元素已经发生了化学反应，它变成了黑辰砂(beta - mercury sulfide)，一种黑*的固体。