phosphorus造句
(61) The didodecyl phosphoryl chloride was synthesized by the reaction of 1-dodecanol with phosphorus oxychloride. By orthogonal experiments, the optimum technological conditions were determined.
(62) Determination of high assay phosphorus in ores is studied in the presence of tartaric acid with the volumetry of ammonium molybdophosphate.
(63) The yield of chlorination was 92.8 % , using phosphorus oxychloride as the chlorinating agent.
(64) The experiment showed that the absorption intensity was much greater than the release intensity in higher phosphorus concentration of upper water of surficial sediment.
(65) Adding phosphorus and kalium fertilizer on the base of nitrogen was propitious to increasing protein content and decreasing oil content.
(66) A new suitable mixture reductant of ammonium ferrous sulfate and fruit sugar was used for the determination of phosphorus by the molybdenum blue spectrophotometry.
(67) Vitamin D (Calciferol) - helps to absorb calcium and phosphorus from the food and helps in formation of bones and teeth. The body can produce it by sun exposure.
(68) Pig's bone has rich nutrition elements, such as mineral calcium and phosphorus.
(69) The bioavailable phosphorus(BAP) is mainly controlled by human activities, which can be used as one of indicators for the potentially ecology risk assessment in the Yangtze estuary.
(70) Features Free of constituents such as halogen, antimony and red phosphorus.
(71) Electroless nickel copper phosphorus ternary alloy deposits were prepared by addition of cupric sulfate in electroless nickel phosphorus alloy plating bath.
(72) Carex species often lack mycorrhizae , but under conditions of low phosphorus availability many species facultatively form dauciform root structures that are implicated in phosphorus uptake.
(73) suppose I look up in the sky one day and I see Hesperus, week or two later I look up and I see Phosphorus.
(74) The paper introduces the production technology of combined - production of thionyl chloride and phosphorus oxychloride. And economic benefit of one is evaluated.
(75) Iron - nickel - phosphorus - boron quaternary alloy electroless plating on copper panel was described.
(76) Iron ores. Determination of phosphorus content. Molybdenum blue spectrophotometric method.
(77) The dynamics variation of nitrogen, phosphorus was studied in wheat rhizosphere in alkali gray desert soil.
(78) Among those, conspicuous changes can be detected only in chlorophyll a, ammonia-nitrogen and active phosphorus.
(79) The research is helpful to our understanding of effects of Vallisneria asiatica on the environment of water and the possible diurnal variation of phosphorus release in sediment.
(80) That was 62 years after a Swedish chemist called Pasch had discovered non-toxic red or amorphous phosphorus, a development exploited commercially by Pasch's compatriot J.
(81) But such a sea might not have been a boon to life, even though acid-loving microbes persist here; high levels of phosphorus argue against a living presence.
(82) Of interest would be the edamame, which is packed with dietary fiber, iron, protein, phosphorus, thiamin and copper, and a very good source of folate, Vitamin K and manganese.
(83) The shells burst in the air, billowing white smoke before dropping the phosphorus shell.
(84) Ultrasonic vibration technology was used to extract loosely sorbed phosphorus fraction in the sediments from Guanting Reservoir.
(85) After being reduced to silicon molybdenum blue with FeSO 4, phosphorus and arsenic is masked with oxalic acid, it can be determined by photometry.
(86) Study on FIA-phosphomolybdate blue spectrophotometric determination of phosphorus in iron and steel, using micro ion exchange column on line withdrawal ferric ion.
(87) A field experiment was conducted to study the effect of different nitrogen and phosphorus level on total fresh weight and fresh weight of edible stems of Salicornia bigelovii Torr.
(88) U.S. officials said the nine materials covered by their case were bauxite, coke, fluorspar, magnesium, manganese, silicon carbide, silicon metal, yellow phosphorus and zinc.
(89) By comparing and analysing the cane mill roller of creep cast iron made in China and foreign cane mill roller of middle phosphorus.
(90) Whitefly longevity and fecundity are the shortest and the lowest on treated cucumber plants with only phosphorus fertilizer.
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