What's the difference between packing and seal?

Packing


Definition:

  • (p. pr. & vb. n.) of Pack
  • (n.) The act or process of one who packs.
  • (n.) Any material used to pack, fill up, or make close.
  • (n.) A substance or piece used to make a joint impervious
  • (n.) A thin layer, or sheet, of yielding or elastic material inserted between the surfaces of a flange joint.
  • (n.) The substance in a stuffing box, through which a piston rod slides.
  • (n.) A yielding ring, as of metal, which surrounds a piston and maintains a tight fit, as inside a cylinder, etc.
  • (n.) Same as Filling.
  • (n.) A trick; collusion.

Example Sentences:

  • (1) The predicted non-Lorentzian line shapes and widths were found to be in good agreement with experimental results, indicating that the local orientational order (called "packing" by many workers) in the bilayers of small vesicles and in multilamellar membranes is substantially the same.
  • (2) Squadron Leader Kevin Harris, commander of the Merlins at Camp Bastion, the main British base in Helmand, praised the crews, adding: "The Merlins will undergo an extensive programme of maintenance and cleaning before being packed up, ensuring they return to the UK in good order."
  • (3) We have compared two new methods (a solvent extraction technique and a method involving a disposable, pre-packed reverse phase chromatography cartridge) with the standard method for determining the radiochemical purity of 99Tcm-HMPAO.
  • (4) Solely infectious waste become removed hospital-intern and -extern on conditions of hygienic prevention, namely through secure packing during the transport, combustion or desinfection.
  • (5) Glucose, osmotic pressure, packed cell volume, PFC by combustion and volatilization were also measured in blood samples.
  • (6) These levels are sufficient to maintain normal in vivo rates of mRNA and rRNA synthesis, but the average density of packing of polymerases on DNA is considerably less than the maximum density predicted by Miller and Bakken (1972), suggesting that initiation of polymerases of DNA is a limiting factor in the control of transcription.
  • (7) The crystallographic parameters of four different unit cells, all of which are based on hexagonal packing arrangements, indicate that the fundamental unit of the complex is composed of six gene 5 protein dimers.
  • (8) In 67 patinets with abnormal mammograms, breast angiography was performed using a "lo-dose vaccum packed film screen system".
  • (9) The cells are predominantly monopolar, tightly packed, and are flattened at the outer border of the ring.
  • (10) The majority of intensively stained and densely packed cells have been observed in tv nucleus.
  • (11) The wall of the yolk sac thickens as a result of this infolding and the densely packed capillaries.
  • (12) All 17 candidates are going to be participating in debate night and I think that’s a wonderful opportunity Reince Priebus Republican party officials have defended the decision to limit participation, pointing out that the chasing pack will get a chance to debate separately before the main event.
  • (13) The supporters – many of them wearing Hamas green headbands and carrying Hamas flags – packed the open-air venue in rain and strong winds to celebrate the Islamist organisation's 25th anniversary and what it regards as a victory in last month's eight-day war with Israel.
  • (14) Changes in the determinants of blood viscosity (packed cell volume, plasma viscosity, red cell aggregation, and red cell deformability) were studied on day 1 and day 5.
  • (15) They had watched him celebrate mass with three million pilgrims on the packed-out shores of Copacabana beach .
  • (16) In terms of segmental motion and anisotropy of packing the lipoprotein-X bilayer closely resembles a model bilayer system consisting of phosphatidylcholine, lysophosphatidylcholine, sphingomyelin and cholesterol mixed in the same molar ratio as in lipoprotein-X.
  • (17) There is little doubt that when it opens next Thursday, One New Change will be jam-packed with City workers and tourists.
  • (18) Treatment with chloroquine and primaquine, together with packed red cell transfusions, was successful in eliminating both the malaria parasites and the leukaemoid blood picture.
  • (19) The authors consider that this device increases safety during this potentially hazardous procedure by eliminating the flammable polyvinyl chloride endotracheal tube and cottonoid packings most frequently used during this procedure.
  • (20) The media, smelling blood, has fallen into pack formation.

Seal


Definition:

  • (n.) Any aquatic carnivorous mammal of the families Phocidae and Otariidae.
  • (n.) An engraved or inscribed stamp, used for marking an impression in wax or other soft substance, to be attached to a document, or otherwise used by way of authentication or security.
  • (n.) Wax, wafer, or other tenacious substance, set to an instrument, and impressed or stamped with a seal; as, to give a deed under hand and seal.
  • (n.) That which seals or fastens; esp., the wax or wafer placed on a letter or other closed paper, etc., to fasten it.
  • (n.) That which confirms, ratifies, or makes stable; that which authenticates; that which secures; assurance.
  • (n.) An arrangement for preventing the entrance or return of gas or air into a pipe, by which the open end of the pipe dips beneath the surface of water or other liquid, or a deep bend or sag in the pipe is filled with the liquid; a draintrap.
  • (v. t.) To set or affix a seal to; hence, to authenticate; to confirm; to ratify; to establish; as, to seal a deed.
  • (v. t.) To mark with a stamp, as an evidence of standard exactness, legal size, or merchantable quality; as, to seal weights and measures; to seal silverware.
  • (v. t.) To fasten with a seal; to attach together with a wafer, wax, or other substance causing adhesion; as, to seal a letter.
  • (v. t.) Hence, to shut close; to keep close; to make fast; to keep secure or secret.
  • (v. t.) To fix, as a piece of iron in a wall, with cement, plaster, or the like.
  • (v. t.) To close by means of a seal; as, to seal a drainpipe with water. See 2d Seal, 5.
  • (v. t.) Among the Mormons, to confirm or set apart as a second or additional wife.
  • (v. i.) To affix one's seal, or a seal.

Example Sentences:

  • (1) To provide a seal with low pressure-high volume cuffed tubes, cuff sizes of 20.5 mm and 27.5 mm are recommended for female and male patients, respectively.
  • (2) Cermet cement sealings showed defects more frequently.
  • (3) The channels usually ceased conducting within a few minutes after seal formation with the patch pipette and could not be re-activated with depolarizing voltage steps.
  • (4) For all the understandable insistence that parliament and London would continue as normal after Wednesday’s terrorist attack, almost 24 hours later a large section of streets around the area remained sealed off by police.
  • (5) Tone pulses and noise stimuli were mixed acoustically and presented using calibrated, sealed stimulating systems.
  • (6) In general, after recording a baseline tympanogram, mechanically created positive and negative air pressures are created in a hermetically sealed ear canal causing increased pressure on the middle ear air cushion.
  • (7) Ecological evidence is considered to suggest that the rapid maturation of C. semerme in rats may also occur when the parasite becomes established in seals.
  • (8) Increased conversion of 25-OHD to 24,25-(OH)2D and a high capacity for vitamin D storage in their large blubber mass appeared to be factors in the resistance of seals to vitamin D toxicity.
  • (9) The mechanism of sealed-off perforation of the duct is discussed.
  • (10) Membranes were sandwiched between two gas-permeable, plastic foils, placed in a sealed cuvette, and gassed with H2 as reductant or O2 as oxidant.
  • (11) Treatment animals had the anastomoses and graft sealed with a suspension of N-butyl-2-cyanoacrylate and 1.2 g tobramycin powder (antibiotic glue, ANGL) after contamination.
  • (12) The results demonstrated that, when the coronal half of the root canal filling material was removed immediately after placement with pluggers, there was a loss of the apical seal and leakage in thirteen of twenty teeth.
  • (13) Ultrastructural study of the Leydig cells of nonbreeding crabeater, leopard and Ross seals showed that three types of cells could be distinguished.
  • (14) National bans on commercial trading in seal products are already in place in 30 countries including the US, the Netherlands and Italy.
  • (15) Under these conditions, with careful attention to sealing at ankles and waist, it was possible to estimate penetration as low as 0.3%.
  • (16) We used transvitreally delivered cyanoacrylate tissue adhesive to seal retinal breaks in 25 selected patients undergoing vitreous surgery for complicated retinal detachment.
  • (17) To date, numerous products have been evaluated, and many hundreds have received the council's seal of acceptance.
  • (18) She explained that, as a baby, she had been subjected to female genital mutilation (FGM): her clitoris cut off and her vagina sealed, with only a small hole remaining for urine and menstruation.
  • (19) After accidental dissection of the thoracic duct in infants, leakage of chyle could be sealed successfully in 6 cases.
  • (20) These microcapsules can be dried and retain activity when sealed in a jar at 4 degrees C.