相关试题
【判断题】
塔类设备在检修时，人孔拆卸必须自下而上逐只打开
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急冷油循环泵润滑油温度过高与轴承温度高无关
【判断题】
裂解炉出口温度过高会造成裂解炉横跨温度高
【判断题】
硫化氢是无色、易燃、有强烈臭鸡蛋气味的气体
【判断题】
汽油分馏塔增加中段回流有利于降低急冷油的粘度
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确认急冷水已经出现乳化现象之后，可以降低急冷水循环量，以便已经乳化了的急冷水重新进行油水分层
【判断题】
裂解炉辐射段炉管断裂会造成裂解炉气反窜进炉膛
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水压试验前容器和管道系统上的安全装置、压力表、液面计等附件及全部内构件均应装配齐全并经检查合格
【判断题】
水压试验前应将不参与水压试验的系统、设备、仪表和管道加盲板隔离
【判断题】
系统吹扫时，仪表引压管线不应该吹扫，防止损坏仪表
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装置在吹扫期间应绘制专门的流程图，明确地标明吹扫进度，该图需存档备查
【判断题】
吹扫时应将安全阀与管道连接处断开并加盲板，以免脏物吹进阀底，磨损密封面
【判断题】
蒸汽管道的吹扫通常先吹扫主管然后吹扫支管
【判断题】
在吹扫操作时，可以将塔、罐等容器当做储气罐，吹扫与其相连的管道系统
【判断题】
裂解炉的燃料气系统在吹扫前不需要拆除烧嘴
【判断题】
冷却水系统管线开车前必需采用添加防腐蚀剂的循环水冲洗
【判断题】
各等级蒸汽管线最后都要通过“打靶”来判断吹扫是否合格
【判断题】
采用“打靶”来判断蒸汽管线吹扫是否合格时，应该选择距离汽源最远的用户放置靶片
【判断题】
无论是哪个等级蒸汽驱动的透平，在使用前都要进行充分的暖管
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蒸汽系统暖管时，暖管速度无须控制，只要达到规定温度即可
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单机试运时，不同的系统应采用不同的试运介质
【判断题】
装置气密试验前，仪表系统DCS已调校完毕，具备使用条件
【判断题】
气密性试验前需仔细确认该系统已与其它系统隔离，防止其它系统超压
【判断题】
当一个系统需要在法兰之间隔开时，法兰之间可以不加盲板
【判断题】
管道系统进行水压试验时，在确认系统内空气排尽后，可将压力直接升至试验压力，以缩短试验时间
【判断题】
为了节省开车前准备的时间，可以一边进行裂解炉的烘炉操作，一边进行后系统的干燥操作
【判断题】
为了节省开车前准备的时间,如果公用工程等条件具备，可以同时进行多台裂解炉的烘炉操作
【判断题】
在急冷油油运时，其流程与正常生产时循环急冷油的流程完全相同
【判断题】
只有建立急冷水循环后，才能进行急冷水的加热操作
【判断题】
急冷水水运期间系统各法兰连接处要用正式垫片
【判断题】
当裂解炉采用变径管时，辐射段入口各管管径大于辐射段出口各管管径
【判断题】
在急冷油油运过程中，各急冷油换热器无需排气
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在急冷油油运过程中，急冷油换热器排气可直接排向大气
【判断题】
裂解炉辐射段炉管采用悬挂安装是为了便于炉管沿竖直方向向下延伸
【判断题】
使用氮气时应尽量采用软管或胶管连接，用完即拆，必须采用固定式连接时，应采取“三阀组”等防范措施
推荐试题
【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.
【判断题】
Living cells break down glucose and fats to provide energy for other activities, which is called.
【判断题】
The right atriapumps deoxygenated blood to the lungs where it absorbs oxygen from the air.
【判断题】
The nervous system uses electrical signals to transmit information very rapidly to specific cells.
【判断题】
With the level of sodium increasing extracelular fruid. the cardiac muscle cells become too excitable and may contract.
【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
【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.
【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.
【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.
【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.
【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.
【判断题】
(6)Toxicology deals not only with drugs used in therapy but also with many other chemicals that may be responsible for household, environmental, or industrial intoxication.
【判断题】
1)With the more efficient screening tests and burgeoning knowledge about how a molecules biological activities are likely to be changed, the traditional approach of discovering new drugs has been improved.
【判断题】
2)With the parallel synthesis used to identify which small segment of any given large protein would bind to an antibody, Mario Geysen generated a variety of short protein fragments by combining multiple amino acids in different permutations.
【判断题】
)A parallel synthesis and a split-and-mix synthesis are different in that in a split-and-mix synthesis, all the products are assembled separately n their respective reaction vessels.
【判断题】
4) In many laboratories, robots are used in the routine work of parallel synthesis to deliver small amounts of reactive molecules into appropriate wells, thus making the process more accurate and less tedious.
【判断题】
5) In a parallel synthesis, each compound remains in its own container; while in a split-and-min synthesis, the related ce mpounds are mixed up in the same reaction vessel.
【判断题】
6)In order to solve the difficulties of identifying the compounds made in a parallel synthesis scientists pull out from the mixture the beads that bear biologically active molecules and determine the molecular makeup o d attached.
【判断题】
1)The concentration of a drug in whole plasma is the most accurate index of the drug concentration at the site（s） of action.
【判断题】
(2)It is difficult to measure the total concentration of both unbound and bound drug in total plasma.
【判断题】
(3)The clinical effect of a drug is assumed to be directly related to the plasma drug concentration.
【判断题】
(4) Systemically acting drugs administered by all routes involve the absorption of drug from the place of administration into the blood.
【判断题】
5)Bioavailability of a drug indicates whether a therapeutically effective concentration is achieved at the site(s)of action of that drug.
【判断题】
(6)Prodrugs are not therapeutically effective unless they are changed into therapeutically active forms before or after reaching the systemic circulation
【单选题】
（1）地球表层覆盖着很多圈层，其中最厚的圈层是 ___
A. 岩石圈
B. 水圈
C. 大气圈
D. 生物圈
