【单选题】
[单选题]第1177题:含硫量<0.5%的原油是属于___。
A. 低硫原油
B. 含硫
C. 高硫原油
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[单选题]第1178题:炉管上下温差保证在___以下减少炉管上下温差能有效地防止炉管弯曲变形和局部结焦。
A. 40
B. 50
C. 30
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[单选题1第1179题:室内消火栓的最大间距不应超过___m。
A. 40
B. 50
C. 60
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[单选题]第1180题:排污许可的具体办法和实施步骤由___规定。
A. 全国人大
B. ) 环保部
C. 国务院
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[单选题]第1181题: ___建立健全应急物资储备保障制度,完善重要应急物资的监管、生产、储备、调拨和紧急配送体系。
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[单选题]第1182题:全面紧急停车后.关于火炬系统的处理步骤,下列操作正确的是___。
A. 伙炬气回收压缩机时,及时与裂解联 系,避免燃料气压励波动
B. )低温液体物料可直接 排火炬总管
C. )各系统同时向火炬排放,没有顺序
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[单选题]第1183题:输送腐蚀性大的介质,不可以采用___。
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【单选题】
[单选题]第1184题:填料塔的检修质量标准下列说法错误的是___。
A. 塔内构件不得 有松动现象
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C. )喷雾孔不得堵塞
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单选题]第1185题:用于制造压力容器的碳钢和低合金钢其碳含量应满足小于___%。
A. 0.25
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[单选题]第1186题: ___m的甲醇摄入量就会导致完全失明。
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[单选题]第1187题:职业病目录中,尘肺病有___种。
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B. 13
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[单选题]第1188题:氢氧化钠灼伤后可用2%的___洗涤中和后清水冲洗。
A. 盐酸.
B. 醋酸
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[单选题]第1189题:按环保要求装置含烃类气体排放应首先___。
A. 炬燃烧
B. 回收系统
C. )现场排放
【单选题】
[单选题]第1190题: ___就是根据事故情景,对事故可能波及范围内的相关人员进行疏散、转移和安置。
A. 疏散与安置
B. 疏散与转移
C. )转移和安置
【单选题】
[单选题]第1191题:储罐静置时间大多需要1~24n,至少不能少于___min,方能进行有关检测作业。
A. 20
B. 10
C. 30
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[单选题]第1192题:对污水进行氧化、还原、分解的处理方法是___净化。
A. 物料
B. 化学
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[单选题]第1193题:裂解炉膛超过___C.时,不需要手动点燃侧壁烧嘴。
A. 680
B. 600
C. 750
【单选题】
[单选题]第1194题:乙烯装置碳_二加氢过程氢炔比过高会导致___。
A. 反应器飞温
B. 增产乙烯
C. 减少绿油生成量
【单选题】
[单选题]第1195题:裂解炉辐射段炉管镍元素含量过高,会导致___。
A. 炉管延展性下降
B. )炉管耐高温性能下降
C. 炉管内原料结焦趋势增大
【单选题】
[单选题]第1196题:氢氧化钠属于___危险化学品。
A. 酸性腐蚀品
B. 碱性腐蚀品
C. 害品
【单选题】
[单选题]第1197题:火炬气回收压缩机(螺杆式压缩机)运转时,如果氮气密封没有投用,将会___。
A. 火炬气外漏 .
B. 炬气漏入润滑油
C. )气漏入火炬气中
【单选题】
[单选题]第1199题:超高压蒸汽暖至主汽阀时,其温度需大于___C.。
A. 200
B. 390
C. 450
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[单选题]第1200题:在往复泵开车过程中启动前操作正确的是___。
A. 开出口阀,开入口阀
B. )入口出口阀全关闭
C. 开入口阀,关出口阀
【单选题】
[单选题]第1201题:在安全生产工作中通常所说的“三违现象是指___
A. 违反作业规程、违反操作规程、违反安全规程
B. 违章指挥、违章作业、违反劳动纪律
C. 违规进行安全培训、违规发放劳动防护用品、违规消减安全技措经费
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[单选题]第1202题:企业要积极探索与当地政府相关部门和周边企业建立___机制,切实提高协同应对事故灾难的能力。
A. 应急联动
B. 合作
C. 沟通
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[单选题]第1203题:粉尘爆炸属于___爆炸。
A. 物理
B. 化学
C. 气体
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[单选题]第1204题:乙烯装置乙烯球罐区应设置水喷淋防火设施,每平米罐体保护面积喷水量应达___L/min,最小水量按90min用量考虑。
A. 12
B. 9
C. 30
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[单选题]第1205题:锅炉爆炸属于___。
A. 物理爆炸
B. 分解爆炸
C. 化学爆炸
【单选题】
[单选题]第1206题:裂解原料中可以接受的总氯化物含量上限为___。
A. 1ppm
B. 2ppm
C. 10ppB.
【单选题】
[单选题]第1207题:由大气污染衍生出的环境效应主要有温室效应、臭氧破坏和___
A. 台风
B. 风暴
C. 酸雨
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[单选题]第1208题:酸洗、钝化作业的药剂配方的选择应注意的事项不包括___。
A. 清洗主必须与被清洗的锈垢易进行化学反应
B. 清洗主剂与金属接触时,不得引起金属材料各种性能的变化
C. 为减少不必要的副反应,化学清洗剂中尽量不添加其他添加剂
【单选题】
单选题第1209題:烟气脱硝是为了减少烟气中的___。
A. 二氧化硫
B. 氮氧化物
C. 烟尘
【单选题】
[单选题]第1210题:下列选项中离心泵汽蚀不会造成___。
A. 流量增大
B. 振动增大
C. 噪音增大
【单选题】
[单选题]第1211题:高温作业可能造成的事故类型是___。
A. 热烧灼
B. 机械伤害
C. 电流伤害
【单选题】
[单选題]第1212题:下列选项中会导致离心式压缩机喘振的是___。
A. 升速、升压过快
B. 负荷高
C. 出口压力突然降低
【单选题】
[单选题]第1213题:从根本上解决毒物危害的首选力法是___。
A. 通风
B. 密闭毒源
C. 采用无毒低毒物质代替高、剧毒物质
【单选题】
单选题]第1214题:关于重大事故的处理原则,下列表述错误的是___。
A. 注意保护催化剂及设备
B. 不跑、冒、滴、漏,不超温、超压、串压
C. 可以就低排放油和气体,防止发生着火爆炸等恶性事故
【单选题】
[单选题]第1215题:《中国人民共和国消防法》规定,进行电焊、气焊等具有火灾危险的作业人员和自动消防系统的操作人员,必须___.并严格遵守消防安全操作规程。
A. 经过培训
B. 持证上岗
C. 服从领导
【单选题】
[单选题]第1216题:()演练选择或模拟生产经营活动中的设备、设施、装置或场所设定事故情景依据应急预案而模拟开展___的演练活动。
A. 单项
B. 综合
C. 现场
【单选题】
[单选题]第1217题:工作环境需使用噪声监测和听力保护性设备的是___D.B.区域。
A. 超过85
B. 超过80
C. 超过75
【单选题】
[单选題]第1218题:下列各系统中在开车前不需要进行氨气置换操作的是___。
A. 燃料气系统
B. 裂解炉及裂解气总管
C. 汽油分馏塔系统
推荐试题
【单选题】
(2)Which of the following is what a clinician is primarily interested in according to the text?___
A. Drugs which can be reasonably limited to those aspects that provide the basis for their rational clinical use
B. Chemical agents that are not used in therapy but are commonly responsible for household and industrial poisoning as well as environmental pollution
C. Drugs which are useful in the prevention,diagnosis and treatment of human disease,or in the prevention of pregnancy.
D. rugs which are useful in the prevention, diagnosis and treatment of human disease, or in the prevention of pregnancy.
【单选题】
(3)Why was the physician not interested in pharmacognosy?___
A. He didn't have to select the proper plants for his prescription
B. He had a broad botanical knowledge
C. Fewer drugs were obtained from natural sources
D. Natural drugs had little difference with synthetic ones
【单选题】
(4)Which of the following is the best way of studying pharmacology for medical students and practitioners?___
A. to have a broad botanical knowledge
B. to select a plant and its preparation
C. to have the ability to purify natural plants
D. to have curiosity that stimulates them to learn about sources of drugs
【单选题】
(5)What are the tasks related to medicines almost complete!y delegated to the pharmacists now?___
A. the physical and chemical properties of medicines
B. the preparing, compounding, and dispensing of medicines
C. dosage forms of medicines available
D. the therapeutic and other uses of medicines
【单选题】
(6) What is a main unique aspect of pharmacodynamics?___
A. Pharmacodynamics is an experimental medical science
B. Pharmacodynamics is focused on the characteristics of drugs
C. Pharmacodynamics borrows freely from both the subject matter and the experimenta techniques of physiology, biochemistry, microbiology, genetics and pathology
D. Pharmacodynamics correlates the entire field of preclinical medicine
【单选题】
7) What time of history does pharmacodynamics date back to?___
A. the second half of the seventeenth century
B. the second half of the eighteenth century
C. the second half of the nineteenth century
D. the second half of the twentieth century
【单选题】
8)What does the research on pharmacodynamics focus on?___
A. study of clinical effect of drugs
B. study of the process of drugs in the body
C. study of the effect and the mechanism of drugs on the body
D. study of the correlation of the actions and effects of drugs with their chemical structure
【单选题】
(9)Which of the following is true when drugs are selected?___
A. It has to be based in part on legal reasons.
B. It has to be based in part on ethical reasons.
C. It has to be based in part on the pharmacological evaluation in man
D. It has to be based in part on the pharmacological evaluation in animals
【单选题】
(10)Why are chemotherapeutic agents useful in therapy?___
A. They stimulate or depress biochemical or physiological function in man in a sufficiently reproducible manner to provide relief of symptoms or, ideally, to alter favorably the course of disease
B. They can produce desired effects with only tolerable undesired effects
C. They have only minimal effects on man but can destroy or eliminate parasites
D. The selectivity of their effects is one of their most important characteristics
【单选题】
1)H. Mario Geysen initially used parallel synthesis as a quick way to identify which small_____ of any given large protein bound to an antibody.___
A. division
B. pieces
C. part
D. fragment
【单选题】
2)Chemists often start a combinatorial synthesis by attaching the first set of building blocks_____ to microscopic beads made of polystyrene.___
A. solid
B. inert
C. soft
D. active
【单选题】
3)The chemical reactions required to link compounds to the beads and later to detach them____ to the synthesis proces.___
A. induce complications
B. make easy
C. introduce complications
D. introduce easy
【单选题】
4)In a parallel synthesis, all the products are_____ separately in their own reaction vessels.___
A. combined
B. assembled
C. joined
D. assorted
【单选题】
(5)In many laboratories today, robots assist with the routine work of parallel synthesis, such as small___ amounts of reactive molecules into the appropriate wells.___
A. sending
B. transporting
C. delivering
D. giving
【单选题】
(6)Scientists can pull out from the mixture the beads that bear biologically active molecules and then,using sensitive detection techniques,___ the molecular makeup of the compound attached.___
A. determine
B. make sure
C. find
D. search
【单选题】
(7)Most pharmaceutical companies today continue to___ parallel synthesis. Which of the following is not appropriate to be filled in the blank?___
A. count in
B. count on
C. depend on
D. rely on
【单选题】
(8)Once they identify a promising substance, they___ make many one-at-a-time modifications to the structure.___
A. laboriously
B. hardly
C. easy
D. effectively
【单选题】
(9)Often these procedures yield a compound having acceptable___ and safety.___
A. strength
B. effect
C. potency
D. effort
【单选题】
10)In many laboratories today, robots___ the routine work of parallel synthesis.___
A. help
B. assist with
C. assist in
D. assist to
【单选题】
(1)Pharmaceutics is an interdisciplinary subject involving___
A. formulation, manufacturing, physical pharmacy, and biopharmaceutics
B. manufacturing
C. physical pharmacy
D. biopharmaceutics
【单选题】
(2)Formulation is about the design, development and evaluation of dosage forms,___
A. discovery of novel drugs
B. analytical methods
C. drug delivery systems and manufacturing process
D. dosing regimen
【单选题】
(3)Biopharmaceutics mainly studies the in vivo process of drugs and metabolites in humans, animals and tissue culture, which specifically involves___
A. absorption and distribution
B. absorption, distribution, metabolism, and excretion
C. metabolism and excretion
D. absorption and excretion
【单选题】
(4)Regarding the definition of bioavailability(BA), BA is related to___
A. total plasma drug concentration only
B. unbound drug concentration in the plasma
C. unbound drug concentration at the target site
D. total plasma drug concentration, and the administered drug dose
【单选题】
(5)Plasma drug concentration is affected by following factors such as___
A. rate of absorption
B. rate and extent of distribution
C. rate ofeli Imination
D. all ofabove
【单选题】
6)Which of the following routes of administration will involve the absorption of drugs?___
A. i.v.injection
B. i.v.infusion
C. Subcutaneous injection, transdermal and oral
D. None of above
【单选题】
(7)Which of the following factors may influence the time course of a drug in the plasma and hence at its site of action?___
A. Food
B. Disease state
C. Route of administration
D. All of above
【单选题】
(8)Please identify the potential biological barriers for an orally administered tablet to be absorbed into the systemic circulation___
A. Sk d dermis
B. Gastrointestinal epithelium
C. Oral mucosal membrane
D. All of above
【单选题】
(9) Given the same administration dose, which of the following will likely result in varying bioavailabilities for the same drug administered to the same person? ___
A. tablets (p.o. )vs. solutions(p0.)
B. solutions for injection(i v )vs oral solutions(p0.)
C. coated tablets (p.0. )vs hard gelatin capsules(p0.)
D. All ofabove
【单选题】
(10)Which of the following statements is true?___
A. Bioavailability is only related to the administered dose and the total drug concentration in the blood circulation.
B. Plasma protein binding does not affect the bioavailability of a specific drug.
C. A given drug in different dosage forms may show differences in bioavailability if given by the same route.
D. Biopharmaceutical studies do not involve animal experiment.
【判断题】
Much of our present physiological knowledge has been found from the experiments and studies on human beings.
A. 对
B. 错
【判断题】
Living cells break down glucose and fats to provide energy for other activities, which is called.
A. 对
B. 错
【判断题】
The right atriapumps deoxygenated blood to the lungs where it absorbs oxygen from the air.
A. 对
B. 错
【判断题】
The nervous system uses electrical signals to transmit information very rapidly to specific cells.
A. 对
B. 错
【判断题】
With the level of sodium increasing extracelular fruid. the cardiac muscle cells become too excitable and may contract.
A. 对
B. 错
【判断题】
A negative feedback loop is a control system that acts to maintain the level of some variables within a given range following a disturbance
A. 对
B. 错
【判断题】
(1)Pharmacodynamics, which is concerned with the study of the biochemical and physiological effects of drugs and their mechanisms of action, Is an experimental medical science.
A. 对
B. 错
【判断题】
2)It's unreasonable for a physician to be interested mainly in the effects of drugs on human beings, for the pharmacological evaluation of drugs in them may be limited due to technical, legal, and ethical reasons.
A. 对
B. 错
【判断题】
(3) As the effects of drugs are often characterized by significant interspecies variation and may be further modified by disease, clinical pharmacology has never been efibrasized.
A. 对
B. 错
【判断题】
The physician is not interested in drugs that are useful in the prevention,diagnosis,and treatment of human disease, but in chemical agents that are commonly responsible for household and industrial poisoning as well as environmental pollution.
A. 对
B. 错
【判断题】
(5)A drug is said to be useful in therapy if it has the ability to produce its desired effects with only tolerable undesired effects.
A. 对
B. 错